WELCOME
TO THE KENNEBEC
WATER DISTRICT
FILTRATION PLANT
CONTROL
CENTER
The Brain of the process. Each switch controls a valve or a pump.
Analog analyzers can be used to monitor parameters at a glance.
SCADA
INTERFACE
Operations are performed, recorded, monitored, and analyzed through this Interface.
LAB
Water quality parameters are routinely measured and recorded here.
LAB
Chlorine residual is measured by introducing a reagent to a sample cell
containing finished water. The sample is measured in the spectrometer.
MICRO
BIOLOGICAL
LAB
Weekly samples from the distribution system are tested for coliform bacteria here. Lake
samples are also processed and reviewed here. Additional tests are run at independent
laboratories.
PROCESS
AREA
This room houses the bulk chemical tanks and feed pumps used to inject chemicals.
ALUMINUM
SULFATE
- COAGULANT
Used to increase the size of the matter to be filtered by chemically bonding impurities.
CATIONIC
POLYMER
- COAGULANT
Helps to produce larger floc, conditions filters.
POLY
ALUMINUM
CHLORIDE
- COAGULANT
Used during high algae periods in lieu of Alum and Cat Poly.
SODIUM
HYPO
CHLORITE
- DISINFECTION
Added to deactivate any bacteria that may come in contact with the finished water.
SODIUM
HYDROXIDE
- PH ADJUSTMENT
A base, used to increase pH to a suitable level to prevent pipe corrosion
and ensure palatable drinking water.
HYDRO
FLUOSILICIC
ACID
- FLUORIDATION
A consumers vote in 1965 mandated the district add fluoride to
prevent tooth decay.
POLY
PHOSPHATE
Used to form a lining inside pipes to inhibit the leaching of lead and copper.
PUMP
ROOM
China Lake water travels by gravity to the base of these pumps where it is
lifted roughly 20’ through the clarifiers.
PIPE
GALLERY
Water is directed to and from the filters through a network of pipes and valves.
FILTER
BAY
3 upflow Clarifiers and 6 Granular Activated Carbon Filters remove
impurities from the raw water.
BOILER
ROOM
Two boilers installed in 2011 replace 6 boilers from 1992
Expected Annual Fuel savings - 30%
GENERATOR
ROOM
Used to run the process in the event of power failure.
CLEARWELLS
2 million gallons of storage enables required contact time for chlorine reaction.
LAGOONS
When the filters and clarifiers becoming overloaded with floc, they must be backwashed
or flushed. This water is sent to a lagoon. When the lagoon becomes full it is taken offline
and allowed to dry before the material and scraped and transported away.
Check out our PROJECTS tab for more information about exciting new
uses for this waste product!
UPGRADES
Boilers 2011
Chemical Feed Pumps 2011-2013
PLC 2011-2012
We are in the process of upgrading our
chemical feed pumps. The new pumps
will give us more control and enhanced
safety.
Thermo Scientific Peristaltic Pump
Milton Roy Positive Displacement Pump
The analog board will soon be a distant memory as we have commenced work on
A new programmed logic controller (PLC). This board will disappear and be replaced
By additional features on the existing SCADA system.
THANK YOU
FOR TOURING
OUR
FACILITY!
We would be happy to walk you through the plant in person.
Please call (207) 923-3358 to schedule a visit.