DRINKING WATER: EMERGING CONTAMINANTS | WASTEWATER: BIOGAS RECOVERY AND REUSE
®
FEBRUARY 2022 | VOL. 38 | ISSUE 2
S E R V I N G T H E M U N I C I PA L WAT E R / WA S T E WAT E R I N D U S T R Y • W W W.WAT E R W O R L D. C O M
Weathering
the Storm
Texas water utilities credit smart water meters
with emergency response to Hurricane Uri
ALSO INSIDE
Economic Outlook for 2022
Sludge Management in the South Pacific
PRODUCT SPOTLIGHT
Pumps & Systems
Drinking Water Treatment
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SEPTEMBER 26-28, 2022
GAYLORD NATIONAL RESORT & CONVENTION CENTER
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Presented by:
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ONLINE @
www.waterworld.com
WEBCAST
The Infrastructure Investment and Jobs Act What Water/Wastewater Utilities Need to Know
Originally broadcast on Dec. 17, 2021
The passage of a $1T infrastructure bill includes $55 billion for the water sector,
expanding several federal funding programs for water utilities. In this webinar, industry leaders and WaterWorld break down the legislative language so that you can
be prepared for what comes next. The discussion includes steps you need to know
about applying for this influx of funding, while experts walk attendees through the
process, answering questions along the way. Watch the webcast on demand at
WaterWorld > Webcasts.
PRODUCTS
Turbo Blowers
Aerzen provides a range of single-stage, high-speed radial turbo
blowers designed to meet varying
flow and pressure requirements
in many different processes. Turbo blowers are frequency-controlled, gearless driven machine
with lubricant-free aerodynamic
bearings to guarantee an economical and reliable operation. Watch the video at
WaterWorld > WaterWorldTV.
INTERVIEWS
Improving Water Affordability
and Accessibility
WaterWorld Chief Editor Alanna
Maya talks with Dr. Christine Boyle,
VP of product development at Xylem. Boyle is a water economist and
entrepreneur focused on solutions
that improve water affordability and
accessibility. She was also named
among Mazars’ Top 10 Most Influential
Women in Water. Watch the video at
WaterWorld > WaterWorldTV.
Nurturing the Next Generation
of Water Leaders
EZValve Installation
AVT manufactures, supports, and
delivers training to install the AVT
EZValve to organizations around
the world. This insertion valve is
installed without the need to shut
off the water and without affecting pipe integrity. Available in sizes from 1.5 to 24 inches, it is easy to install, cost-effective to deploy, time-saving
compared to traditional valve insertion methods, and durable for decades. Learn
more at WaterWorld >WaterWorldTV.
Plastic Pipe Joiner Tools
Reed
Manufacturing’s
Plastic
Pipe Joiner Tools can connect
and separate 4”-16” IPS and cast
iron size gasketed pipe. An optional fitting attachment can
also allow cement branch connections. It allows for a safe
operation without risk of damaging the pipe. Built for single user operation, the joiner is highly portable and easy to use. Learn more at
WaterWorld >WaterWorldTV.
www.waterworld.com
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With over 35 years of experience
in law, business, and project management, Jeanne Simkins Hollis is
working to bring more minorities
and women into the water industry.
She is nurturing the next generation
of water leaders through an internship program at Slater Infrastructure
Group, where she is the founder, president, and CEO. Watch the video at
WaterWorld > WaterWorldTV.
FOLLOW US
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twitter.com/
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LINKEDIN
linkedin.com/
company/WaterWorld-magazine
February | 2022
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CONTENTS
february 2022 | vol. 12 | issue 2
Cover Feature | 8
Smart Water Weathers the Storm in Texas
The cities of Arlington, Coppell, and Jacksonville were well equipped to serve their
customers with a rapid response to winter storm Uri’s effects because each of the
municipalities deployed a smart utility network, outfitted with remotely-managed meters
that allowed for a proactive, secure transmission of customer water usage data.
12
Science and Ingenuity
Tackle Emerging
Contaminants
Water suppliers in New York
and New Jersey have developed
their own approaches to
emerging contaminants, such
as PFAS and 1.4-dioxane,
proving that a carefully
applied, integrated modular
design scheme can deliver a
viable solution even as water
quality regulations change.
2
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February | 2022
14
Keeping Biosolids Dry
for Composting
As part of an upgrade to the
Lord Howe Island wastewater
treatment system, the local
government has installed a
new screening, dewatering
and compacting component
in order to reuse the solids
from treated sewage effluent
as compost on the island.
24
Waste to Biogas
Four years ago, the City of
Longmont, Colo. began to
convert biogas into renewable
natural gas (RNG) for fueling
city-owned vehicles. What
began as an effort to make
better use of the city’s wastewater treatment plant biogas
has culminated in a regional
asset that bolsters the community’s sustainability and
quality of life.
www.waterworld.com
2/7/22 12:23 PM
IN EVERY ISSUE
PRODUCTS
1
6
On the web
Showcase
4
18
Editor’s Viewpoint
7
20
News Droplets
14
Global Perspectives
24
Case Study
26
®
FEBRUARY 2022 | VOL. 38 | ISSUE 2
S E R V I N G T H E M U N I C I PA L WAT E R / WA S T E WAT E R I N D U S T R Y • W W W.WAT E R W O R L D. C O M
Weathering
the Storm
Texas water utilities credit smart water meters
with emergency response to Hurricane Uri
Spotlight: Pumps
& Systems
19
Spotlight: Drinking
Water Treatment
20
New & Noteworthy
22
Product Focus/Index
Advertiser Index/ Events
28
22
DRINKING WATER: EMERGING CONTAMINANTS | WASTEWATER: BIOGAS RECOVERY AND REUSE
ALSO INSIDE
Economic Outlook for 2022
Sludge Management in the South Pacific
PRODUCT SPOTLIGHT
Pumps & Systems
Drinking Water Treatment
ON THE COVER
Winter storm Uri brought a
dangerous mix of snow,
freezing rain, and ice to the
Lone Star state, along with
unprecedented frigid temperatures that lasted a few
days. Photo by Art Wager,
Getty Images.
WWEMA
JOINT RESTRAINT
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February | 2022
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1/6/22 8:32 AM
2/7/22 12:23 PM
EDITORIAL
viewpoint
ALANNA MAYA
Chief Editor, WaterWorld
Preparation is Key
W
elcome to the February issue of WaterWorld
magazine. As we put this issue together, the
U.S. Environmental Protection Agency (EPA)
and partners announced a plan to help protect water systems from cyberattacks, the Industrial Control Systems
Cybersecurity Initiative – Water and Wastewater Sector
Action Plan. The Action Plan focuses on high-impact activities to safeguard water resources by improving cybersecurity across the water sector.
With the vulnerability of our nation’s water systems in
the spotlight, this plan could not have come at a more perfect
time — although it probably should have come sooner. In
2021, several high-profile attacks on our drinking water
systems, including one where a remote actor was able to
tap into an Oldsmar, Fla., treatment plant and adjust the
chemical dosing levels to what could have had catastrophic
results if not for an eagle-eyed employee who was able to
shut down remote access.
Today, cyber attacks represent an increasing threat to
water systems and other critical sectors, and attackers are
becoming more brazen each time.
“As cyber threats become more sophisticated, we need
a more coordinated and modernized approach to protecting
the water systems that support access to clean and safe
water in America,” EPA Administrator Michael S. Regan
said in a statement.
To help the water industry detect, respond to, and recover
from these incidents, the plan expands the White House
Industrial Control Systems (ICS) Cybersecurity Initiative to
the water sector, and through a Water Sector Action plan,
®
CONTENT
Group Publisher
Jim Semple
jsemple@endeavorb2b.com
Chief Editor
Alanna Maya
amaya@endeavorb2b.com
Assistant Editor
Jeremy Wolfe
jwolfe@endeavorb2b.com
Senior Art Director
Clark Bell
Production Manager
Diane Carlton
ADVERTISING
Ron Hewett
Account Executive-West Coast
(918) 832.9241
rhewett@endeavorb2b.com
Darlene Balzano
Account Executive-East Coast
(918) 831.9856
dbalzano@endeavorb2b.com
Ask your sales representative about list rentals
and custom article reprints.
4
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February | 2022
MARKETING
Digital Operations Manager
Gay Turvey
Audience Development Manager
Anna Hicks
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WaterWorld serves engineers, managers, consultants and operations people in the Municipal Water/Wastewater Industry with information about products and services, technology, applications, legislation and regulations to help them in planning, designing, operating
and maintaining their systems.
WaterWorld® (ISSN 1083-0723, print; 2688-3570, digital / USPS 007-364). WaterWorld is published 10 times per year, monthly, by
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2/7/22 12:23 PM
the EPA and Cybersecurity Information and Security Agency
(CISA) will work with water utilities to provide ICS monitoring
and information sharing. While the plan will initially focus
on utilities that serve the largest populations and have the
highest consequence systems; following the initial 100-day
timeline, the program is expected to roll out to water systems
of all sizes.
It’s not just bad actors that can affect our water supply,
however. Extreme weather poses a dangerous risk to distribution systems, and if not kept up to date, these systems
could fail — leaving residents without running water or
forcing boil water orders for hundreds of citizens while
repairs are made. That exact scenario occurred last year
when a deep freeze hit the state of Texas in the wake of
winter storm Uri. Power blackouts spanned most of the
state and approximately 12 million Texans — almost half
of the state’s population — experienced a disruption in
water service at the height of the storm.
www.waterworld.com
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Three cities were able to weather the storm thanks to
smart water networks. Networks equipped with remotely
managed meters allowed for a proactive, secure transmission of customer water usage data in Arlington, Coppell,
and Jacksonville.
On page 8, read all about how these smart water systems
helped utility managers find and repair leaks, and manage
remote operations while many of their city’s residents were
stuck at home during the storm. For each of these municipalities, preparedness made the difference between a major
crisis and timely response that resulted in quick relief.
Whether its bolstering systems to decrease the affects
of cyber attacks or adding smart meters to a water system,
preparation is the key to success. We can’t always predict
what will happen, but if we are prepared, the effects will
be far less than they would have been otherwise.
I hope that you enjoy this month’s issue, and thanks
for reading! WW
February | 2022
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2/7/22 12:23 PM
PRODUCTS
showcase
DO Analyzer
The ECD S80-T80 DO Analyzer comes pre-calibrated from the factory,
requiring no special tools or installation training. It’s a plug and play
system that’s ready to go out of the box and designed for busy water
engineers and technicians. When this analyzer’s intelligent sensor is connected to its transmitter, the sensor’s information is
uploaded to the analyzer. It then configures the displays and
outputs of the transmitter to the values appropriate to the DO
sensor’s measurement parameters. The S80-T80 DO Analyzer
measures dissolved oxygen levels from 0 to 20 ppm (mg/L) at
250% saturation. They operate over a pressure range of 0 to 50 psig
and at temperatures from-5 to 80°C.
Electro-Chemical Devices | www.ecdi.com
Globe control valves
The ARIA Series of electrically actuated, modulating, globe control valves are
ideally suited for challenging, modulating processes that require electric actuation with the actuation speed and reliability of pneumatics. The actuator is
designed for 1.5 million cycles and can withstand ambient temperatures up to
150°F, with travel speeds at 12 seconds per inch (nine seconds for 3/4-inch stroke
valves). ARIA is equipped with an electric spring fail safe, robust enclosures
with IP67 / NEMA 4X enclosure and watertight 1/2” NPT fittings, and has split
range input capability for 1/3-2/3 high/low applications.
Warren Controls | www.warrencontrols.com
Hydraulic pipe squeeze
Bear Hug™ from REED is a modular squeeze tool system for
polyethylene using hydraulic cylinders with 83,400 pounds
of squeeze force. The company offers an air-over hydraulic
pump or manual hand pump for power. The Bear Hug also
features a double bar configuration for most confident
squeeze, while a bottom swing-out bar allows for straightforward pipe enclosure. Compact and lightweight at 175 pounds,
the Bear Hug can be lifted into position using its top U-bolt.
REED | www.reedmfgco.com
Carbon filtered workstation
The MicroFlow I Workstation is a ductless carbon filtered workstation
equipped with activated carbon filtration designed to collect small
amounts of non-hazardous fumes and odors. The workstation is
self-contained and can be easily moved from station to station.
The station features an integral recessed work surface to contain
spills, and a clear hood surround with a safety viewing sash for
the user. The sash can also be conformed for use with a microscope. Variable speed fan control provides the option of high and
medium speeds, or low flow for sensitive operations. The station
operates on 115v AC, or 230v International, conforms to UL, CSA,
and CE requirements.
HEMCO | www.hemcocorp.com
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February | 2022
www.waterworld.com
2/7/22 12:23 PM
NEWS
droplets
YORK WATER COMPANY ACQUIRES
TOWNSHIP WASTEWATER SYSTEM
Microvi, a biotechnology company for water and wastewater
processes, recently celebrated the latest implementation
of nitrate treatment system at San Francisco’s Oro Loma
Sanitary District’s (OLSD’s) Castro Valley Water Pollution
Control Facility.
The Department of the Interior has announced three funding opportunities available to help Western communities
create or expand clean, new water sources.
The selected projects, which include desalination as well
as water reclamation and reuse, will be funded through
investments in the Bipartisan Infrastructure Law and, when
enacted; fiscal year 2022 appropriations. Eligible projects
can now apply for up to 25 percent of their planning, design,
and construction costs scheduled for the next
three years. WW
WATER REPLENISHMENT DISTRICT RECEIVES $1.5M
GRANT FROM BEVERAGE MANUFACTURER
PepsiCo Beverages North America (PBNA) has awarded a
$1.5 million grant to the Water Replenishment District of
Southern California (WRD), the largest groundwater agency
in the state. The funds will help protect local groundwater
resources for over four million residents.
The San Francisco Bay receives some of the highest nitrogen loading of any estuary in the United States. The
capital costs to retrofit San Francisco Bay Area wastewater
treatment facilities to treat nitrogen are estimated at over
$8 billion. This first-of-its-kind installation was commissioned at OLSD’s plant in late April 2021, and the technology
is now meeting the design criteria of reducing OLSD’s nitrogen discharge to the San Francisco Bay by up to 400,000
pounds per year. WW
JAL, NM ENTERS 3-YEAR BIOAUGMENTATION
SERVICE AGREEMENT
The city of Jal, N.M., recently signed a three-year agreement
for bioaugmentation services in its wastewater treatment
system. The system had been out of regulatory compliance
www.waterworld.com
2202WW06-07.indd 7
The support aims to improve drought resiliency and pilot
WRD’s first inland injection well for in-ground storage.
When complete, the project will store an average of 325,851
gallons of water per year for municipal and indirect use,
drought resiliency, and mitigation. WW
February | 2022
Photo courtesy Water Replenishment District of Southern California.
Photo courtesy Microvi Biotech Inc.
SAN FRANCISCO INSTALLS NEW NITRATE REMOVAL SYSTEM
DOI ANNOUNCES FUNDING OPPORTUNITIES FOR
DESALINATION, RECLAMATION, REUSE
Photo courtesy EnBiorganic Technologies.
The York Water Company recently completed its acquisition
of the wastewater collection system in the West Manheim
Township of York County, Pa., adding about 1,900 wastewater customers to the company’s portfolio.
In 2008, York Water acquired West Manheim Township’s
water distribution system and had been supporting the
township with sewer billing and revenue collection support
since 2014. Since sewer rates are based upon water consumption, the company hopes that the transaction will
create substantive billing and operating efficiencies to help
offset inflation pressures.
In addition to the expanded utility services with West
Manheim Township, York Water now has an agreement
with Penn Township for wastewater treatment for the
sewage from West Manheim. Rates for wastewater service
will remain as previously established by West Manheim
Township and approved by the Pennsylvania Public
Utility Commission. WW
for several years due to an influx of large numbers of oilfield workers, which overloaded the 50-plus year-old system.
To try and help mitigate the
existing problems, Jal elected
to try a bioaugmentation service through a performance
trial during late summer 2021.
Shortly after installation, the
facility’s odor and sludge problems began to disappear. In
less than one month, the treatment facility’s effluent was
well within permit levels and continued improving.
7
2/7/22 4:00 PM
FEATURE
cover
Smart
Water
weathers the
Texas utilities deliver rapid, resilient response during winter emergency
A
BY TREY OVERMAN
n arctic blast swept in from the North Pole in
February of 2021, with effects reaching 26 states
across the United States. Hardest hit was the
state of Texas, with an unexpected deep freeze affecting
much of the area. Winter storm Uri brought a dangerous
mix of snow, freezing rain, and ice to the Lone Star state,
along with unprecedented frigid temperatures that
lasted a few days.
In the wake of the storm, Texas Governor Greg Abbott
declared a state of emergency. The National Weather Service
issued its first-ever, all-county winter warning across the
entire state of Texas. From east to west, residents withstood
freezing conditions leading to compromised utility systems
that left millions of residents without electricity or water.
8
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Power blackouts spanned most of the state and approximately 12 million Texans — almost half of the state’s population — experienced a disruption in water service at the
height of the storm. However, for three cities in Northeast
Texas, strategic, smart preparation by their municipal
utilities made the difference between a quick, resilient
response and a sustained crisis.
The cities of Arlington, Coppell, and Jacksonville were
well equipped to serve their customers with a rapid
response to the storm’s effects because each of the
municipalities deployed a smart utility network, outfitted
with remotely-managed meters that allowed
for a proactive, secure transmission of customer
water usage data.
www.waterworld.com
2/7/22 12:23 PM
Winter storm Uri brought a dangerous mix of snow,
freezing rain, and ice to the Lone Star state, along with
unprecedented frigid temperatures that lasted a few days.
Photo by Art Wager, Getty Images.
Arlington’s utility staff also turned to FlexNet data and
determined that more than 4,800 apartment units did
not show water usage. They collaborated with Arlington
Code Enforcement to investigate and ensure quick repairs
at 47 complexes.
“The data helped us pinpoint customers in need of water,”
said Arlington Water Utilities Director Craig M. Cummings.
“The City set up water container filling stations for apartment renters until repairs could be made, so the right data
at the right time made a real difference.”
X-RAY VISION FOR COPPELL
he storm
TIMELY DATA FOR ARLINGTON
The City of Arlington experienced a rare three-inch snowfall
followed by a deep freeze — typically unheard of in Texas.
Sustained power outages left homes frigid, causing
non-insulated water pipes to freeze and burst. Many citizens
dealt with interruptions in their water service, while those
who continued to get water were placed under a precautionary boil water advisory.
With thousands of residents facing either flooded homes
or no access to clean drinking water, the City of Arlington
sprang into action. Using its Sensus FlexNet® communication network, the city was able to remotely pinpoint 1,800
private plumbing breaks based on unusually high, continuous usage data. Arlington Water Utility staff proactively
notified residents about leaks before the threat of unsurmountable property damage was realized and remotely
shut off water to homes with identified leaks.
www.waterworld.com
2202WW08-11, 23.indd 9
About 20 miles from Arlington, record-low temperatures
left the City of Coppell in a similar situation, with residents
experiencing frozen, burst pipes due to loss of electricity
and heat. This posed a threat to Coppell’s more than 40,000
citizens, as most were stuck inside their homes throughout
the duration of the storm. Again, the municipality utilized
reliable digital technology to pinpoint issues.
“The FlexNet communication network is like having X-ray
vision of your water system,” said Coppell’s Assistant Director
of Public Works Michael Garza. “We identified hundreds of
leaks and knew exactly where to go to shut off water and help
customers avoid further water loss or property damage.”
In just one day, the city’s utility team and fire department
shut off the water flowing to approximately 400 homes and
businesses affected by leaks identified through the system’s
twice-daily-reports.
As recovery efforts continued, the Coppell utility team
proactively updated residents through its MyH2O Customer Portal, sharing timely alerts for spikes in usage
along with service updates and other information. In the
days following the storm, more than 200 Coppell residents realized the value
and convenience of the customer portal and created
an account.
BIG SAVINGS IN
JACKSONVILLE
Farther east, the City of Jacksonville kept busy throughout the wild weather. Almost
as if this storm had been
predicted, the Jacksonville
The City of Arlington set up
water container filling stations
for residents until repairs
could be made to the distribution system. Photo courtesy
City of Arlington, Texas.
February | 2022
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2/7/22 12:23 PM
The City of Coppell’s utility team
identified leaks affecting approximately
400 homes and businesses, then
partnered with the city fire department
to commence water shut offs to prevent
further damage. Photo courtesy City of
Coppell, Texas.
Water and Sewer Utilities team had
upgraded its aging system to a smart
utility network just two years prior.
Extreme weather events were not
the initial reason for the city’s water
system modernization, but winter
storm Uri quickly proved just how
critical that decision could be for the
safety and the resiliency of Jacksonville’s communities.
Utility staff checked timely usage
reports, which revealed that some customers were losing up to 28,000 gallons of water per day — 280 times more
than a normal day’s consumption.
Based on this data, the city used the
ally® water meter and two-way FlexNet
system to remotely and strategically
shut off water to residential customers,
protecting their homes and families.
“Without a shadow of a doubt, the
system we installed saved us millions
of gallons of water,” said Jacksonville’s
former City Manager Greg Smith.
The smart meter’s integrated pressure sensor remotely identified pressure points around the city, which
allowed the team to isolate water main
and service line breaks. They identified
and addressed approximately 65 issues
— half of which were discovered by
data from the smart water meters.
In just 72 hours, Jacksonville utility
workers remotely located leaks,
prevented further damage and began
repairs across the water distribution
system. The quick response resulted
in the city earning the Texas Municipal
League (TML) Excellence Award, which
recognizes municipalities for innovative problem-solving, excellent management and high levels of service.
“Without the Xylem system, the entire city could have been without water,
and our response would have been totally different,” said Smith. “The system
paid for itself in just that one week.”
PREPAREDNESS LEADS
TO RESILIENCY
Throughout the winter event, city
employees in Arlington, Coppell, and
Jacksonville prevented major damage
and quickly resumed water operations,
all while openly and aptly communicating with their customers.
For each of these municipalities,
preparedness made the difference between a major crisis and timely response that resulted in quick relief.
WEATHER con’t on page 23
10
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www.waterworld.com
12/20/21 4:58 PM
2/7/22 12:23 PM
ITÕS NOT A TRADE SHOW... NOT EVEN CLOSE
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WHAT TO EXPECT
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DValle@endeavorb2b.com
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DIRECTOR CONTACTS
Robyn Coffin
Direct (312) 585- 6235
RCoffin@endeavorb2b.com
Tracy Ryle
Direct (918) 831- 9144
TRyle@endeavorb2b.com
MunicipalWastewaterSummit.com
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1/25/22
11:21 PM
AM
2/7/22 12:23
FEATURE
emerging contaminants
Science and Ingenuity
Tackle Emerging Contaminants
Drinking water suppliers move quickly
to meet states’ regulations
E
BY JAMES ROBERTS
merging contaminants, as a general matter, have
dominated the landscape of drinking water regulatory compliance for the last several years.
Per- and polyfluoroalkyl substances (PFAS) and 1,4-dioxane have become a heavy focus on systems of all sizes.
Complicating the issue, individual states have begun enacting varying regulatory limits — which typically fall significantly below the Federal EPA lifetime health advisory
limitations — for some or all of the same compounds. These
contaminants have major implications for the health of
communities across the country and should be top of mind
for all water suppliers.
As part of proactively planning for new regulations,
water suppliers and purveyors should be informed on
the challenges others have faced and ways to mitigate
those challenges.
Many states in the Northeast have developed their own
approaches to emerging contaminants. While the solutions
are not one-size-fits-all, there are lessons to be learned
in each case.
PFAS IN NEW JERSEY
PFAS are a group of man-made chemicals that are linked
to adverse health effects. Widespread detection of PFAS in
drinking water has caused the United States Environmental
Protection Agency (EPA) to examine whether more stringent
regulations should be enacted. To date, no Federal Maximum Contaminant Level (MCL) has been enacted — but
EPA has come forward with a health advisory stating an
MCL of 70 parts per trillion (ppt).
The State of New Jersey is among several states that have
enacted local regulations regarding PFAS. When the state
set PFAS MCLs in the first quarter of 2021, water suppliers
were tasked with bringing their water into compliance.
Compliance in the state is determined by taking a running
annual average of quarterly samples.
Atlantic City Municipal Utility Authority (ACMUA), like
many other suppliers, was challenged by these new
regulations. Atlantic City has two sources for their water
supply: surface and groundwater. The wells established in
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Atlantic City Municipal Utility Authority, like many other
suppliers, was challenged to meet new PFAS regulations in
N.J. Photos courtesy H2M.
this municipality are located along a lake bordering the
Atlantic City International Airport. Testing of several wells
revealed PFAS levels which required emergency action on
the part of the ACMUA to achieve compliance.
H2M was tasked with developing an emergency PFAS
treatment for the Authority to assist in ensuring compliance.
To achieve this, H2M consulted with the ACMUA to manage
the source of their water and to deploy granular activated
carbon (GAC) treatment to three selected wells along the
bank of the lake.
Striving to meet the established compliance schedule,
H2M leveraged their previous experience in treating chemicals in this family, prior established relationships with
manufacturer partners, and ACMUA’s existing equipment.
The success of this endeavor required the selected contractors and equipment to come together at the right time,
ensuring all pieces were in place for rapid deployment.
H2M assisted in the permitting process as well, often a
challenge for any large-scale project of this nature. To establish
a positive relationship from the start, New Jersey’s Department of Environmental Protection (NJDEP) was engaged
prior to submitting paperwork. This allowed the permitting
process to run smoothly, with NJDEP working as a partner.
Working collaboratively with regulators, ensuring they
are apprised of all critical project elements and the design
approach is vital to the success of emergency projects.
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The strategy used in this specific instance can be duplicated in any state, significantly improving the efficiency
of rapid deployment.
1,4-DIOXANE ON LONG ISLAND
PFAS are not the only contaminants that pose challenges
to water suppliers. 1,4-dioxane is one of the more challenging contaminants to remove from water, as conventional
filtration is generally ineffective.
The contaminant was first identified as a concern in
drinking water in 2012, when the Environmental Protection
Agency (EPA) released its Unregulated Contaminant Monitoring Rule 3 (UCMR3).
Historically, 1,4-dioxane was used as an industrial solvent
stabilizer and could be found in products like paint and
degreasers. Today, 1,4-dioxane usage has been greatly reduced, but there remain legacy usages in many household
products including shampoos and dish soaps.
On August 26, 2020, a ‘first in the nation’ approach to
establishing an MCL for 1,4-dioxane was published in the
New York State Register. The MCL was set to 1.0 part per
billion in drinking water, following an announcement
made by the New York State Department of Health (NYSDOH) in 2017. It was effective immediately, with a 60-day
period for sampling.
Though widely spread across the United States, 1,4-dioxane
was most concentrated amongst Long Island groundwater
supply wells. The contaminant flows directly into the area’s
groundwater through septic tanks and cesspools, which
eventually flow into surface waters and aquifers — the sole
source of Long Island’s drinking water.
H2M, representing over 40 water districts on Long Island,
researched the best treatment systems alternatives available.
The group reviewed variations of aqueous phase oxidation
(AOP) technologies with various UV equipment manufacturers that could be utilized on Long Island groundwater.
To evaluate these technologies, the following five criteria
were considered:
• Ability to remove 1,4-dioxane from the source water
• Ability to provide treatment without harmful
by-product formation
• Ease of scaling up to meet full-scale flow requirements
• Consistently and effectively treating 1,4-dioxane to treatment goals (non-detect) over various water sources
• Economic feasibility for future potable drinking
water treatment
H2M performed an accelerated pilot testing program (in
advance of anticipated state regulations) at almost 50 locations across various water suppliers. The program helped
conclude that a low pressure UV/H2O2 AOP system was the
most viable option for Long Island’s water districts.
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Hampton Bays Water District implemented a rapid pilot testing
program to remain compliant with new MCL for 1,4-dioxane in
the area.
The problem on Long Island was pervasive, with several
wells exceeding the proposed contaminant levels for 1,4dioxane. Faced with a compressed schedule before the MCL
became effective, and nearly two dozen emergency treatment
systems needed over 12-18 months, it was apparent that a
typical design/construction plan would not work. Some
water suppliers with wells that exceeded MCLs risked losing
the ability to meet their peak demands. Since Long Island
relies solely on groundwater, this would have caused a major
disruption in the communities served by these suppliers.
Working with clients, vendors, and contractors, H2M
developed a design and construction approach that condensed the construction period from 18 to 6 months —
allowing emergency treatment systems to be rapidly deployed
and operational. The standardization of equipment was one
of the ways the timeline of the project was reduced.
The approach included:
• Taking advantage of existing chemical transfer stations,
so that installations needed minimal additional work
through value engineering.
• Working with a water instrumentation vendor developing
an analyzer to measure hydrogen peroxide. The H2O2
analyzer, produced in Belgium, had a lead time for each
unit of eight to 10 weeks. With the AOP boxes already in
fabrication, H2M coordinated a bulk purchase of
analyzers to ship to the skid manufacturer for installation
rather than waiting for the onsite emergency contractor
to order/install. Purchasing in bulk enabled H2M to
reserve a block of fabrication time and receive equipment
on schedule while saving costs.
• Standardizing the vessel design for the GAC filtration
systems to increase flexibility for use at various sites,
similar to the containerized skid for the UV chamber.
H2M worked with GAC vendors to modify their systems
to reduce pressure losses so existing pumps and production flow rates could be maintained.
The standardization of equipment also allowed the development of drawings and technical specifications for
CONTAMINANTS con’t on page 23
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GLOBAL VIEW
biosolids
KEEPING
BIOSOLIDS DRY
FOR COMPOSTING
South Pacific island upgrades sludge management
BY MICHAEL BAMBRIDGE
W
orld Heritage-listed Lord Howe Island — just 11km long, averaging
about 2km wide — is enacting not only current wastewater, green
energy and island-wide clean-up and pest eradication initiatives,
but is also hoping to re-introduce flora and fauna that has been absent from its
shores for generations.
The island lies about 400 miles offshore from the Australian State of New
South Wales and is administered by its own statutory authority, the Lord Howe
Island Board. With a population of about 400 and a limit to the same number
of tourists on the island at any one time, it is located in the Tasman Sea region
of the South Pacific Ocean.
In recent years, residents of the island began an environmentalist campaign.
It aims to remove all invasive or unwanted species, use solar power to provide
two-thirds of the community’s annual energy needs, and gain EPA approval to
reuse the solids from treated sewage effluent produced by the island’s environmentally sensitive, low-energy wastewater treatment plant as compost.
The plant is part of an upgrade of the sewerage management system on the
island, where there are about 220 septic tank systems — 25 of which are connected to commercial operations. Previously, sludge from the tanks was collected
and spread on drying beds to dewater. The process was smelly, involved much
handling, and could take extended periods of time to complete, particularly if
the weather was not ideal for drying.
A new solid-liquid separation system from Kendensha Co. (KDS) has been
installed by the Australian and Asia-Pacific wastewater treatment specialist
CST Wastewater Solutions (CST) as part of a broader wastewater treatment
system. The system uses durable, low-maintenance liquid-solid separators
which produce light, clean, and readily handled output.
Sludge from septic tank pump-outs is delivered to the new waste treatment
facility through a 1,800 liter wastewater tanker. The effluent travels through
both coarse and fine screens, and is then pumped to a polymer dosing tank. A
spreadsheet helps set the polymer dose and predicts the amount of liquid and
biosolids that will be produced. These predictions allow for better planning for
reuse of the final products.
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On Lord Howe Island, CST
Wastewater Solutions’
screen compactor prescreens effluent before
wastewater is pumped
to the polymer dosage
tank. Photos courtesy CST
Wastewater Solutions.
(below) The WWTP team
uses a prescribed formula
to set the polymer dose
and predict the amount of
liquid and biosolids that will
be produced.
The drier output is more compact and easier to convert
to a valuable reuse product compared with the heavy,
sloppy, and smelly product produced in the past, which
was difficult to handle and dispose of. The old system
required the solids to be dug out of the evaporating bays,
which produced strong odors. The new system occupies
a smaller footprint, produces minimal odor and requires
less on-site maintenance.
The pre-treatment and recovery technologies now produce clean liquid waste and dry, reusable solid waste that
is easy to recycle.
SELECTION PROCESS
CST was tasked to review a best fit sludge dewatering system
for the septic waste, because the old infrastructure was
becoming outdated and the existing drying beds were to
be decommissioned. The company’s team worked extensively with the Lord Howe Island Board to find an optimal
solution that combined environmental performance with
an equally strong occupational health and safety performance — and which has a much smaller footprint than the
drying rack system used previously.
“Our benefits to date will be extended further if EPA
approval is received to incorporate the compacted solids
from the effluent into compost for use on the island, incorporating previously odorous waste into a valuable resource
and further reducing the need for transport and landfill,”
said Lord Howe Waste Management Facility Supervisor
Bradley Josephs.
The waste management facility can now handle greater
volumes of effluent for the Island. The solid waste is mixed
with other diverse waste streams that are sorted, mixed,
and prepared for re-use through an in-tunnel composting
system. Waste treated in this way includes food waste, paper
and cardboard, green waste, and grease trap wastes.
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“We have witnessed a strong range of benefits since
installing the system; the drier biosolids, for example, can
now be stored in smaller 50L tubs which are far more
manageable,” said Josephs. “The polymer dosage used in
the new process is able to chemically remove suspended
solids from the solution at a better rate than evaporation.
This means that the liquid waste that is produced is much
easier to treat via aerobic digestion.”
The precise polymer dosage process also allows the supervisor to know how much time the plant will take to
produce particular quantities of processed solids.
“Drying used to be something of a guessing game, with
the drying beds and reed beds we used. It would vary with
weather, with humidity, and many factors,” continued
Josephs. “But now the liquid-solid separation is beautiful,
swift, predictable, and precise. This speeds up the process
and enables us to tailor output for ongoing processing
without waste storage issues.”
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The new solid-liquid separation system produces a lighter,
cleaner output.
Waste liquid separated out by the CST system is processed via aerobic digestion, while the solids component
is dewatered through the KDS separator and then incorporated into a feed for the composting unit. This composting unit produces a fine, dried output that could
soon be used for composting by the island’s residents.
“Due to the nature of the in-vessel composting unit on
island, dried biosolids can be processed and used to
create useful compost that will be available to the public,”
The dewatered, compacted product is mixed with food waste,
paper and wood chips, and green waste to optimize its potential as a compost product.
said Josephs. “The biosolids are currently mixed with
food waste, paper and wood chips at a ratio of 0.05/1/2/1
per day. Once we have more results in regard to compost
composition, we aim to be able to create an optimum
ratio of biosolids used in the procedure to produce compost and further reduce our environmental footprint.”
COMMUNITY SUPPORT
These environmental and waste initiatives enjoy the
support of the island’s residents, tourists, and
local businesses.
The CST screening, dewatering and compacting component of the WWTP system is more economical, more compact in terms of site use, and uses less energy than before.
It accords well with the island’s environmental, waste, water,
and energy conservation objectives, said David Waterhouse,
manager for infrastructure and engineering services with
the Lord Howe Island board.
The island is also actively working toward permission to
use the system’s output as compost, through a Resource
Recovery Exemption. If the island gains permission, the
compost could easily be used to help re-grow the native
flora that has been missing for generations — an initiative
that’s heavily supported by the island’s citizens. WW
About the Author: Michael Bambridge is managing director of CST Wastewater
Solutions. He is an industry authority on sustainable wastewater, water recycling
and waste-to-energy engineering. A chemical engineer who values quality and
enduring solutions over quick fixes and one-size-fits all approaches, his experience
on major municipal and industrial projects extends over more than 30 years
throughout Australasia and the Asia-Pacific, regions where clean water shortages
are endemic and avoidance of groundwater contamination is paramount.
The facility’s output is now drier, more compact, and easier to
convert to a valuable reuse product.
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GLOBAL NEWS
droplets
UNITED KINGDOM: GLAN AGUA COMPLETES
WATER TREATMENT UPGRADES
Glan Agua Farrans JV has completed a multi-million-dollar
upgrade framework for two Affinity Water facilities.
densely populated region, the utility company had previously identified direct nanofiltration (dNF) as a technology
that could simplify the treatment of surface waters. WW
Photo courtesy Glan Agua.
BRUNEI: NATION DEPLOYS RUGGED
SMART WATER MANAGEMENT
GAF JV was awarded two projects to provide crucial
upgrades to Affinity Water’s existing treatment infrastructure at two locations: Amersham in Buckinghamshire and
Northmoor in Hertfordshire. The works involved the construction of a sophisticated turbidity treatment process
plant to supplement the existing treatment plant within
the confines of the Amersham and Northmoor facilities.
The projects were constructed on time under several
constraints, including the COVID-19 pandemic. WW
SPAIN: AIGÜES DE BARCELONA BEGINS TREATMENT PILOT
Photo courtesy NX Filtration.
Aigües de Barcelona, a public-private company responsible
for managing the water cycle in the metropolitan area of
Barcelona, Spain, has started a series of pilot projects with
NX Filtration’s direct nanofiltration membranes. The Spanish company will explore the benefits of direct nanofiltration for 15 months, with hopes for better recovery rates
under a smaller footprint.
The objective of the first pilot project is to treat water
from the Llobregat river in Barcelona to produce drinking
water. Since Barcelona is situated in a water stressed and
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The Sultanate of Brunei is deploying a rugged smart water
device network within its borders. Through a patented technique for Long Range, Wide Area Networking (LoRaWAN),
the nation is adding low-cost sensors for flash flood detection,
pumping station monitoring, and water quality monitoring.
The nation’s Ministry of Development commissioned an
IoT solutions company named Anian to develop several use
cases for smart water — which included sensors, connectivity, and data management dashboards.
The solution combined rainfall volume monitoring with
rain gauges/tipping buckets to measure the velocity of water
currents to create an effective system of preventive alerts
on hydrological events.
To further the program, the Ministries of Development hopes to make more improvements in the coming
years, including monitoring of water networks and river
water quality. WW
GEORGIA: AQUALIA ACQUIRES COMPANY SERVING 1.4M
Aqualia recently announced an agreement to acquire Georgia Global Utilities (GGU) from Georgia Capital for $180
million USD for 80 percent of the company.
GGU owns and operates a large number of water infrastructure assets: 7 drinking water treatment plants (DWTP),
1 wastewater treatment plant (WWTP), 58 pumping stations,
118 reservoirs, 4,300 km of distribution networks, and 1,700
km of sewerage. It also owns and operates renewable energy
generation assets with an installed capacity of 240 MW in
9 mainly hydroelectric plants, some of them associated
with the water cycle assets (150 MW) and others independent (90 MW). WW
FIJI: FIJI TO IMPLEMENT SOFTWARE FOR LEAK DETECTION
The Water Authority of Fiji (WAF) has planned to deploy
TaKaDu’s Central Event Management (CEM) solution as part
of its drinking water system in the country’s urban areas.
The country’s current water and wastewater network
constitutes more than 4,982 kilometers of pipes and treats
and transports more than 136,000 megaliters of clean drinking water annually. However, due to aging infrastructure, it
faces non-revenue water levels as high as 45 percent.
By incorporating the company’s Central Management
System, Fiji plans to enhance its ability to response to
leaks and non-revenue water in its drinking water distribution system. WW
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PRODUCTS
spotlight: pumps & systems
Hydraulic slurry pump
The UCC Environmental (UCC) JETPULSION®
Pump is a venturi-type device designed to transport
slurry significant distances in bottom ash, economizer ash and pyrite systems. This hydraulically powered pump is self-regulating, self-clearing and incorporates a
simple design with no moving parts. Fluid at the suction inlet is
entrained by the jet and carried into the combining tube. This lowers the pressure in the body section and causes more fluid to enter
from the suction inlet. The velocity of the jet (with the entrained fluid) decreases in
the combining tube with a corresponding increase in pressure.
UCC Environmental | www.uccenvironmental.com
Submersible pump
Solinst’s 12V Submersible Pump and 12V Pump Controller are lightweight, portable, and easy to
set up, deploy and operate. The pump’s sleek,
short design (nominal 6”) ensures it fits easily
down wells that may not be straight. The 12V
Submersible Pump cable connects to the 12V
Pump Controller, which then clips to a 12V power
source. The pump is capable of pumping groundwater from 36.5 m (120 ft.) below ground surface, with flow rates up to 13.5 L/min (3.6
U.S. gpm) in shallow conditions. The continuous flow rate is easy to adjust using the
controller’s single dial.
Solinst | www.solinst.com
Effluent pump
Equipped with two, 1.5-horsepower motors, the Sanicubic 2VX
lift station is capable of discharging effluent through either
two-inch or four-inch rigid pipe and offers a shut-off head
of 43 feet. This lift station is meant to be connected to a high
voltage source (220V-240V). The Sanicubic 2VX employs an
internal air pressure switch for automatically cycling the unit
on and off. The unit also comes equipped with a wired control
panel, as well as an external audible and visual LED indicator
alarm if a pump experiences overload or ceases to operate.
Saniflo | www.saniflo.com
Vertical inline pumps
Grundfos’s CR 255 model achieves maximum water flow
at a rate of 320m3/h. Grundfos’ range of CR pumps are
the world’s first vertical multistage inline pumps, and
are used predominantly for water supply, water treatment and almost all industrial solutions — including
those for high-pressure, hot, dangerous, flammable,
and aggressive liquids. The CR 255 is Grundfos’ largest
vertical multistage centrifugal inline pump to date. The
CR 255 model also delivers water pressure up to 400m.
Grundfos | www.grundfos.com
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PRODUCTS
spotlight: drinking water treatment
Chromium analyzer
The CA6 Colorimetric Analyzer from Electro-Chemical
Devices provides precise and dependable measurement
data to ensure chromium detection, remediation and regulatory compliance. The online sequential sampling continuous water measurement instrument is designed specifically
to monitor chromium-6 in plant effluent and drinking
water. It can be configured to measure chromium-6 in three
separate ranges: 0-1.0 mg/L, 0-10.0 mg/L or 0-50.0 mg/L.
Weighing less than 40 pounds, it can be wall mounted or
simply set on a bench using the optional bench top stand.
Electro-Chemical Devices | www.ecdi.com
Compact control cabinet solution
The Bürkert Online Analysis System with the MS06 iron
analyzer for photometric iron measurement is a fully
automated control cabinet solution. it is designed for
continuous photometric iron analysis and other water
parameters using sensor cubes. It includes several measuring points and allows for long maintenance intervals.
The iron analyzer determines the iron content ranging
from 0 to 2 mg/L; with larger detection ranges available
on request.
Bürkert Fluid Control Systems | www.burkert.com
Filter cartridges
Rusco has expanded its product portfolio with three new filter cartridges, including a carbon block, pleated, and melt
blown (spun) media. The new cartridges will enhance sediment removal capabilities and widen applications to address
chemical contamination concerns. The latest installment of
spun and pleated filter cartridges improves sediment removal
efficiency to as low as one micron through advancements in
composition, surface area, and pore size. The activated carbon units can address taste and odor, lead and chlorine, and
volatile organic compounds (VOCs) and chemicals.
Rusco | www.rusco.com
Free ammonia analyzer
The Instran™ free ammonia analyzer provides rapid, real-time, multistream reliable analysis of free ammonia (NH3) in both drinking water
and wastewater treatment plants. The free ammonia online analyzer
provides rapid, high frequency real-time data on NH3 levels in nine minutes with sensitivity down to 0.01 ppm. The analyzer features a robust
and stable design that can maintain its sensitivity and calibrated status
for an unlimited timeframe, while operating reliably regardless of sample matrix conditions. The analyzer is backed by Aqua Metrology Systems’ technical support service that ensures minimum time to repair
and maximum uptime.
Aqua Metrology Systems | www.aquametrologysystems.com
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PRODUCTS
new & noteworthy
Clean water pumps
Sulzer has extended its portfolio of clean water pumps
with the launch of the SES and SKS ranges. These new
EN733 standard pumps are efficient, reliable and cost-effective for municipalities, water treatment facilities, and
commercial applications. With a robust cast iron casing
and a choice of cast iron, stainless steel, or bronze impellers, the new units are
supplied as a complete package including the motor. Users can opt for close-coupled
(monoblock) SKS or the long-coupled SES range, with the latter delivered pre-aligned
and tested on a steel base plate. Available motor specifications range up to 400 kW.
Sulzer | www.sulzer.com
Flowmeter
GF Piping Systems has expanded its full-bore, magnetic FlowtraMag® Meter product line to include two new pipe sizes in 1.5”
and 3”. The flow meter’s PVC body with standard titanium
and optional Hastelloy® C electrodes is designed specifically
for high accuracy flow measurement in short pipe runs.
High accuracy is achieved for these problematic runs with a
modified sensor design that has shorter inlet and outlet pipe
length requirements and certified factory calibration. The optional Hastelloy® C electrode is ideal for expanding the flow meter’s chemical
compatibility for other media not suited for titanium.
GF Piping Systems | www.gfps.com
Non-contact torque sensor
Sensor Technology has extended its new range of non-contact torque sensors up to
13,000 Newton-meters. The new design improves sensitivity and has a wide temperature tolerance. The sensors are able to compensate for any extraneous forces,
such as bending moments inadvertently applied to the
sensor. An ultra-miniature microcontroller, mounted on
a rotor and powered by an inductive coil measures the differential values in each strain gauge and transmits them
back to the stator digitally. State-of-the-art strain gauge
signal conditioning techniques are then used to convert
raw live data into precise torque value measurements.
This set up provides a high bandwidth, high over range
and overload tolerances.
Sensor Technology | ww.torqsense.com
A
e
c
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Ball check valve
Flomatic® is offering a solution to meet the harsh complexities of congested wastewater systems: the AIS-compliant Model 4082 Ball Check Valve.
The Ball Check Valves have no moving parts except for the ball, which
moves out of the path of flow — minimizing head loss and maximizing efficiency. Simple yet reliable, it features a clean-out port
that permits access to the inside of the valve without removal
from the pipeline. Available in a fusion bonded epoxy coated ductile iron body or a 316 stainless steel body, it includes class ANSI
150 flange connections, a Buna-N vulcanized metal ball, and more.
Flomatic | www.flomatic.com
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PRODUCTS
new & noteworthy
Electric jetter
Rioned developed the world’s first fully electric sewer jetting machine for pipes with a diameter of up to 350mm.
The eCityJet van pack jetter features a strong electric motor
powered by an efficient lithium-ion battery pack — with
enough charge to work for an average working day without recharging between jobs. Because the electric machine
produces zero emissions, the eCityjet is well-suited for vanpack use in areas with strict emission requirements and
in enclosed spaces. The eCityJet has all the features of a conventional diesel-driven
van-pack machine and is only marginally heavier at approximately 690kg.
Rioned | www.rioned.co.uk
Power winder
Solinst Canada Ltd.’s Model 101 Power Winder is designed to conveniently connect to the frame of any size or model Solinst reel to
allow for the effortless winding of longer lengths of tape, cable, and
tubing. The Power Winder is lightweight and easy to adjust to fit
small, medium, or large Solinst reels. It features adjustable telescoping arms and rollers, also allowing it to work with other Water LevMeters on the market. The tool uses a standard power drill to operate, which can connect directly to the 1/4” hex fitting on the PowWinder, or an optional flex drill adaptor for more ergonomic operation.
Solinst Canada Ltd | www.solinst.com
el
er
Hungerford & Terry...An innovative leader
still setting the standards in water treatment since 1909
RE
R
P
U
E
W AT
A solid reputation built on business
ethics that only an employee owned
company can provide
– Filtration systems to remove iron,
manganese, arsenic, and radium
– High efficiency ion exchange systems
to remove nitrates, perchlorate,
chrome-6, color, and hardness
– PFOS/PFAS Water treatment systems
– Condensate polishers
– Forced draft and vacuum degasifiers
– Complete demineralizers
New “Plug-&-Play”, low cost,
New pre-engineered filtration systems
H&T builds water treatment systems
that work flawlessly and last a lifetime.
For treatment suggestions, design assistance, sample specifications, typical designs, lab analysis,
or pilot testing contact: Hungerford & Terry, Inc. 226 Atlantic Avenue, Clayton, NJ 08312
www.hungerfordterry.com
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•
breynolds@hungerfordterry.com
•
P: 856-881-3200
•
F: 856-881-6859
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PM
PRODUCTS
focus
Smoke Testing for
Leak and Odor Detection
W
hen testing laterals, building plumbing, or
pumping or inspecting septic tanks, smoke
testing with the Superior® 5E Electric Smoke
Blower from Superior Signal is a quick and effective way
to find plumbing faults which lead to odors, leaks and
inflow. The smoker easily connects to any cleanout,
port, or vent to smoke test the entire system in
just a few minutes.
Smoke testing is an effective technique for
finding sources of odors and many other faults
throughout building plumbing, laterals, and
septic systems. The Superior® 5E Electric
Smoke Blower gently pushes smoke throughout the system
to find cracks and leaks and quickly identify problems. It
takes only minutes to set up and seconds to see the results.
The 5E blower creates an appropriate flow of air for testing
a building’s plumbing and, when paired with Superior®
Smoke Candles, a highly visible, nontoxic smoke can easily
be seen and traced. While the visible flow of air can be used
to find various leaks, the blower is particularly effective in
finding sources of odor. Because both smoke and odor are
carried by the air, a smoke test will be able to quickly find
the source of an odor problem so that it can be
properly resolved.
The durable 5E Electric Smoke Blower comes with an 8’
industrial grade hose, all-steel construction, and a
carry handle.
With a total weight of only 15 pounds, the blower is designed to handle big or small jobs in a lightweight, easy-tomove design.
The Superior® 5E Electric Smoker can smoke test an entire
system in just a few minutes. Photo courtesy Superior Signal
Company LLC.
The blower can be run using 120-volt AC or 12-volt DC.
Made in the USA, the blower and its smoke candles are a
cost-effective solution, ideal for hard-to-find odors, leaks,
and other faults. WW
For over 60 years, Superior Signal Company has provided quality smoke detection
and AccuTrak products. To learn more, visit www.superiorsignal.com.
PRODUCT Index
Page
Company
Page
PRODUCT SPOTLIGHT:
PUMPS & SYSTEMS
18
18
18
18
Grundfos
Saniflo
Solinst
UCC Environmental
PRODUCT SPOTLIGHT:
DRINKING WATER TREATMENT
19
19
19
19
22
Aqua Metrology Systems
Bürkert Fluid Control Systems
Electro-Chemical Devices
Rusco
February | 2022
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Company
FLOW, PRESSURE & LEVEL
MEASURING EQUIPMENT &
ACCESSORIES
20
20
21
Sensor Technology
Flomatic |
Solinst Canada Ltd
PUMPS
20
20
Sulzer
GF Piping Systems
Page
Company
TRENCHLESS EQUIPMENT
& TECHNOLOGY
21
Rioned
SHOWCASE
6
6
6
6
Electro-Chemical Devices
HEMCO
REED
Warren Controls
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FEATURE
con’t
WEATHER con’t from page 10
CONTAMINANTS con’t from page 13
regulatory submission and construction more efficiently,
reducing a typical four-to-six-month process to only six
weeks. A standardized design was then developed to reduce
strain on regulatory review by NYSDOH, which was the final
part of the design plan, to allow for consistency between
sites; and make emergency contractors more efficient.
H2M has developed and successfully implemented rapid
deployment for emerging contaminants for numerous
water suppliers in New York and New Jersey. A carefully
applied, integrated modular design scheme allows a project
approach to be adjusted to fit specific needs and unique
water quality in any geography across the nation. Regardless
of what water quality problems arise because of new regulations, when science and ingenuity are paired, there is
always a viable solution. WW
About the Author: James Roberts. P.E., is a senior vice president
In just one day, the City of Coppell was able to shut off the
water flowing to approximately 400 homes and businesses affected by leaks identified through smart water metering. Photo
courtesy City of Coppell, Texas.
and water market director for H2M architects + engineers. Since
joining H2M in 2016, he has worked with the company’s drinking
water and wastewater practitioners to expand the firm’s reach
and service line. With over 38 years in the industry, he has brought
his unique experience with his leadership on projects related to
PFAS treatment, 1,4-dioxane, tank storage, and other drinking water-related efforts.
INTRODUCING THE PTFM 6.1
Portable Transit-Time Flow Meter
The City of Jacksonville completed the upgrade to advanced
metering infrastructure in October 2020, just several months
before residents faced a winter storm unlike anything the state
had ever seen. Photo courtesy City of Jacksonville, Texas.
Being equipped with a smart digital network allowed utilities to provide many of their customers with uninterrupted
water service and to prioritize the health and safety of
community members during an unwelcome storm.
As extreme and unexpected weather crises continue
across the United States and globally, municipal utilities
are uniquely positioned to help their communities
weather the storm. Resilient, remotely-managed systems
can ensure a prompt response and quick recovery in
times of emergency. WW
DO YOU KNOW & TRUST
YOUR WATER OR
CHEMICAL USAGE?
• Easily measure the flow of clean
•
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Use on a wide range of pipe sizes
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Ready to go whenever you need
it, for whatever your application
is. Use it for flow studies with the
built-in 12.5 million point data
logger, or to spot-check flows.
Built for challenging industrial
environments with rugged IP67
electronics.
About the Author: Trey Overman is the director of global residential water product
management at Sensus, a Xylem brand. Overman has four years of experience
in the water industry. He holds undergraduate degrees from Appalachian State
University and an MBA from the University of North Carolina at Chapel Hill.
CONTACT US FOR A QUOTE TODAY!
For more details, contact northamerica@pulsarmeasurement.com.
February | 2022
www.waterworld.com
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1/14/22 2:29 PM
2/7/22 12:23 PM
CASE STUDY
waste recovery
Waste to
BIOGAS
City of Longmont, Colo., converts
biogas to fuel for city-owned vehicles
BY JOHN GAGE, CHARLES KAMENIDES
F
our years ago, the City of Longmont, Colo., embarked on the U.S. Front Range’s first project to
convert biogas to renewable natural gas (RNG) for
city-owned vehicle fueling.
What began as an effort to make better use of the city’s
wastewater treatment plant (WWTP) biogas has culminated
in a regional asset that bolsters the community’s sustainability efforts and quality of life.
From 2018 to 2020, Longmont equipped its WWTP with
a state-of-the-art system that cleans and converts the facility’s biogas into high-quality RNG. The city also laid a
1,440-foot pipeline that transfers this RNG to a new indoor
vehicle-fueling station that supplies the city’s trash and
recycling trucks with compressed natural gas (CNG). Together, city employees named this the RNG upgrading and
vehicle-fueling system.
Until recently, the city’s waste services fleet had consisted of diesel trucks that disturbed residents with greenhouse gas (GHG) emissions, odors, and excessive noise.
While “green” vehicles were costlier than their diesel
counterparts, the biogas-to-RNG project offered the promise of a sustainable, city-owned supply of RNG and a quieter, cleaner, and odorless neighborhood experience.
In the past two years of operations, the RNG upgrading
and vehicle-fueling system has advanced several of
the city’s sustainability goals and continues to generate fuel.
24
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2202WW24-28.indd 24
The City of Longmont, Colo., converts biogas from its
wastewater treatment plant to renewable natural gas. Photos
courtesy Kelly Serrano, CGRS.
By slashing the waste services fleet’s diesel demand by
over 100,000 gallons a year, the city saves almost $300,000
in annual fuel costs and has reduced GHG emissions by
approximately 1,000 metric tons of carbon dioxide equivalent per year — proportionate to removing 200 cars from
the road. Since CNG vehicles do not emit sulfur, heavy
metals, or soot, residents now enjoy improved air quality
as well as minimized disruptions on trash days.
And, while the city expected and planned to gain some
revenue through the sale of renewable identification number (RIN) credits through the EPA’s Renewable Fuel Standard
(RFS) program, it hadn’t expected the RIN market nor its
payoff to be so robust. Even with high variability across
financial quarters, Longmont earned almost $350,000 in
2021 revenue — a value that is only expected to rise with
additional run time of the system.
To top it all off, in October 2021, the city won the Water
Environment Federation’s Project Excellence Award, a
national distinction awarded to efforts showcasing excellence and infrastructure innovation in the water sector.
These boons did not come immediately: Through months
of trial and error, careful adjustments, and diligent monitoring, the city navigated many challenges that accompany
www.waterworld.com
2/7/22 12:23 PM
a complex system with little precedent, especially from the
perspective of on-site fueling. None of this could’ve been
accomplished without continued collaboration between
members of the project team and other city departments.
EVOLUTION OF A SYSTEM
The RNG upgrading and vehicle-fueling system is currently
operated nearly continuously to produce approximately
800 diesel-gallon equivalents of RNG vehicle fuel each day.
The system converts up to 80 percent of the city WWTP’s
biogas into RNG that is then compressed to supply 11 waste
services trucks.
However, this output is relatively new for the fueling
system. In fact, for the first year of operation, it generated
only 50 percent of the waste services fleet’s fuel demands,
primarily due to programming difficulties with the CNG
trucks and the RNG storage system, which prevented the
city from fully utilizing the produced fuel.
Longmont also discovered that the iron-based media
used in the biogas-upgrading skid to adsorb hydrogen
sulfide (H2S) required replacement every two months, as
opposed to its anticipated lifespan of three to four months.
Any unique system that utilizes new technologies, such
as decanting panels to maximize use of RNG storage and
trucks with new fuel sources, comes with a learning curve.
The city’s wastewater and waste services experts took time
to familiarize themselves with natural gas practices, understanding how each component of the system works
in tandem and how CNG
vehicles are operated.
The project’s lead design-builder and local authority on natural gas systems, CGRS Inc. worked
with city vendors to adjust
the programming of the
CNG vehicles as well as
across the RNG production
and storage systems.
Meanwhile, Unison Solutions and Carollo Engineers,
the biogas-upgrading system’s producer and designer,
respectively, diagnosed the
H 2S media’s premature
breakthrough as being a result of biogas losing its moisture
content while traveling through several hundred feet of
stainless-steel piping from the WWTP’s digesters to the
biogas-upgrading skid. This was a variable whose impact
the city hadn’t anticipated, but quickly pivoted to resolve.
After testing three different types of media, an effective
alternative designed for dry gas was selected.
Today, the system’s bugs have been resolved and its
maintenance is delegated to CGRS, who runs a comprehensive maintenance program with bi-monthly on-site
monitoring, system-specific standard operating procedures, and as-needed repairs. Thanks to CGRS’s service,
city staff can remain relatively hands-off. They can simply
observe the system’s health through the daily reports that
are generated automatically using online analyzers and
call-out systems.
CGRS also readied contingency measures into the CNG
system, such as standby generators and a separate pipeline
for purchased natural gas in case the WWTP’s RNG development halts for any reason. Having built numerous
waste-to-renewable-gas facilities across Colorado, they
understood the criticality of securing redundancy and
backup supplies of gas for a fleet that currently has no
alternative fueling location.
The city’s RNG costs are currently down to $1.20 a diesel-gallon equivalent, including all expenses associated
with the maintenance contract and media replacements.
Longmont’s compressed
natural gas trucks advertise
the value that they bring to
their communities.
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February | 2022
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Compared to paying $3 to $4 a gallon for diesel, the city’s
reduced fuel expenses prepare it to afford larger maintenance items should they arise down the line.
SMART RIN MANAGEMENT
An enormous financial incentive to construct the RNG
upgrading and vehicle-fueling system was its potential to
generate RINs to be sold via the RFS program. Though
excited by this prospect, the city was completely new to
the EPA’s protocols, which raised the question: Who would
handle the sale of RINs?
As with other aspects of the project, Longmont brought
in an expert; not to turn over its RIN management but
instead to guide the city in leading this process itself.
During their training and information workshop for
city staff — which included the city Attorney’s Office,
accounting, purchasing, and business services group —
energy compliance expert Weaver suggested that navigating the EPA’s online portal was a manageable task.
In practice, generating and trading RINs has taken only
one to three hours a month and is simple enough to forego
hiring a RIN broker who would charge anywhere from 10
to 30 percent of profits. This means that, projecting RIN
revenues of $400,000 in 2022, Longmont will save up to
$120,000 by managing its credits in-house.
Again, the city arrived at this result by recognizing
where consistent collaboration with veterans of their
respective fields can derive solutions founded on decades
of their firms’ collective experience. By communicating
with these partners, the city can focus its spending on
areas that are knowledge-intensive and perform its due
diligence where it efficiently can.
EVENTS
February 2022
▲ Feb 21-25 – AMTA/AWWA Membrane Technology Conference,
Las Vegas, NV, awwa.org
▲ Feb 21-24 – WEF/AWWA 2022 Utility Management Conference,
Orlando, FL, wef.org
March 2022
▲ March 21-24 -- WEF Public Health and Water Conference &
Wastewater Disease Surveillance Summit, Cincinnati, OH, wef.org
▲ March 27-April 2 – IWA Leading Edge Conference on Water and
Wastewater Technologies, Reno, NV, iwa-network.org
April 2022
▲ April 4-7 – Texas Water, San Antonio, TX, txwater.org
▲ April 11-13 – Municipal Wastewater Summit, Lake Las Vegas,
NV, municipalwastewatersummit.com
May 2022
▲ May 24-26 – SWAN Conference, Washington, DC, swan-forum.com
June 2022
▲ June 7-8 – BlueTech Forum, Vancouver, Canada, bluetechforum.com
▲ June 12-15 – AWWA ACE22, San Antonio, Texas, awwa.org
—
For a comprehensive list of the events for the water industry,
SHARING AND GROWING TOGETHER
In two years of operation, the RNG upgrading and vehicle-fueling system has earned its place as a regional asset.
Longmont serves as an open resource that educates and
supports other municipalities considering biogas-to-vehicle fueling projects or other renewable
energy efforts.
The city plans to add more CNG vehicles to its waste
services fleet while continuing to replace its remaining
carbon vehicles with green alternatives. And, as the system
continues to produce renewable natural gas with increased
consistency, Longmont will consider more options to
beneficially reuse any amount that isn’t expended toward
its fleets. WW
About the Authors: John Gage is a senior civil engineer at the City of Longmont.
Charles Kamenides is a waste services manager at the City of Longmont.
26
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2202WW24-28.indd 26
please visit the “Events” section of our website.
A D V E R T I S E R
page
I N D E X
advertiser
3
Denso North America Inc.
10
Hermann Sewerin GmbH
21
Hungerford & Terry Inc.
5
Neptune Technology Group Inc.
C3
23
C4
Plast-O-Matic Valves Inc.
Pulsar Measurement,
a Trading name of Greyline Instruments
Reed Manufacturing Company
www.waterworld.com
2/7/22 12:23 PM
AUGUST 2 9 Ð31, 2022
Hyatt Regency Hill Country Resort, San Antonio, TX
www.SMARTWATERSUMMIT.com
Utility Experience
Utilities will have the unique opportunity to hear
20+ educational presentations from 45+ solution
providers in a 25-minute format. Presentations
will cover a variety of new technologies,
products, services and solutions.
Attend and participate at NO COST to their
Utility through a private grant that covers roundtrip airfare, airport transportation, resort
accommodations, meals, & event fees.
Peer to peer networking with 100+ Utility
Representative as you hold crucial
conversations that will help shape the water
industry as we progress through unprecedented
times.
Full Access to ALL activities on the Summit
Agenda to engage Vendor Partners throughout
the entirety of the Summit.
Solution Provider Experience
Participating solution providers will have
unlimited opportunities to interact with ALL
attending Utilities through Boardroom
Presentations, the Solution Showcase, Premier All
Audience Presentations & various networking
activities.
Build relationships while generating new leads
by learning Utilities' needs & sharing their
respective solutions for the industry.
Boardroom presentations are private,
uninterrupted, highly productive face time with
10+ pre-qualified Utility Representatives in each
25-minute Boardroom.
The Expo provides dedicated time and space in
the Solution Showcase enabling valuable
engagements & hands-on product
demonstrations.
Utility Contact: Brigette Gleason| 678.258.9431 | jbgleasone@endeavorb2b.com
Supplier/Vendor Contact: David Valle| 920.212.2214 |davlle@endeavorb2b.com
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1/25/2212:23
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PM
2/7/22
WWEMA
corner
WWEMA’s
Economic
Outlook
for 2022
B
BY VANESSA M. LEIBY
y now, I think it is safe to say that there is no “magic
bullet” to end the COVID-19 pandemic. While many
may have thought over the last two years that there
would be a day we would wake up and find our world and
lives returned to some semblance of pre-pandemic normal,
that is just not how viruses or pandemics work.
As President Biden acknowledged in January 2022, the
emergence of the Omicron variant is leading to a rebalancing
among economic, societal considerations, and strict medical
justifications for sweeping public health guidance. Like the
flu, we are likely headed down a road where we learn to live
with the virus and use vaccines and new forms of treatment
to ameliorate the worst of the symptoms.
Our economy has certainly experienced some challenges
over the last two years, yet there is still a sense of optimism.
For the most part, WWEMA member companies performed
better than they expected, and passage of the new Bipartisan
Infrastructure Law in November 2021 means that new
funding for water and wastewater infrastructure should
start flowing in the coming months.
WWEMA conducts an annual Market Indicators Survey
and the results for 2021 and estimates for 2022 were optimistic. Despite remaining pandemic-related uncertainty
and overall challenging economic conditions including
supply chain issues and rising costs of goods, the data from
the 2021 survey for domestic sales showed 85 percent of
the respondents reported an increase in domestic sales for
the reporting period, with the majority of respondents
(approximately 60 percent) reporting positive sales growth
in the 2.5-5 percent range. Of that number, over one-third
indicated solid growth of five percent.
The data also showed approximately one-quarter of respondents had robust domestic sales growth in the 7.5–10
percent range for the Sept. 2020–Aug. 2021 period. Overall
growth in domestic sales for the following year’s period is
projected to be continually strong, with 85 percent of respondents expecting positive growth and over half (56
percent) estimating growth to reach the 5–10 percent range.
28
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2202WW24-28.indd 28
Photo by Saeid Anvar from Pexels
This is consistent with other economic indicators and
projections that expect 4–6 percent growth in 2022.
While domestic growth should be strong, the same cannot
be said for expectations in the international markets, where
most respondents expected sales to remain relatively flat.
As 2022 begins, we are already hearing from our members
that the pace of bookings and orders are picking up. The
current primary headwind is how the Office of Management
and Budget (OMB) will define and implement the new Buy
America requirements outlined in the Bipartisan Infrastructure Law.
Unlike other Federally-funded programs — such as transportation, highways, railways, and aviation — which have
dealt with Buy America requirements for several decades,
this will be a brand-new requirement for the water sector,
which has only experienced specific and finite requirements
under the American Recovery and Reinvestment Act in
2009 and more recently the American Iron and Steel (AIS)
requirements put in place in 2014.
While AIS addresses a relatively short list of products
made from iron and steel, the new requirements will apply
to all products in the water sector made from iron and steel
as well as all manufactured goods and construction materials. The clock is currently ticking on OMB guidance development with the implementation and compliance date
currently set for May 15, 2022 — six months after the law
was signed by President Biden.
Hang on to your hats — it may be a bumpy ride, but
hopefully one that will get us to the finish line with many
new projects underway in 2022. WW
About the Author: Vanessa M. Leiby is executive director of the Water and Wastewater Equipment Manufacturers Association (WWEMA). WWEMA is a non-profit
trade association that has been working for water and wastewater technology
and service providers since 1908. WWEMA’s members supply the most sophisticated leading-edge technologies and services, offering solutions to every water-related environmental problem and need facing today’s society. For more
information about WWEMA, visit www.wwema.org.
www.waterworld.com
2/7/22 12:23 PM
ONE SECOND
SECOND TO NONE
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• Feedback via programmable relays
• Reverse operation Normally Open/Normally Closed
• Wiring permits drop-in replacement for most current
actuators
ADDITIONAL CAFÉ NITRO FEATURES
• Modulation 0-10 VDC & 4-20 mA
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• On board timer
Cedar Grove, NJ & Riverside, CA • 973-256-3000 • plastomatic.com
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12:23 AM
PM
TAKE THE EDGE OFF
BEVEL BOSS ™ CORDLESS PIPE BEVELERS
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Milwaukee®, Bosch® and DeWalt® are registered trademarks not associated with Reed Manufacturing.
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4:29 PM
2/7/22 12:29
PM