Rainwater Harvesting Training
Products
Rainwater Management Solutions
How to use Harvested Rainwater?
Nonpotable
Potable
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Building washing
Cooling towers
Fire suppression
Household cleaning
Irrigation
Laundry washing
Pool/pond filling
Toilet flushing
Vehicle washing
Drinking water
Cooking
Bathing
Dish washing
Large Commercial/Industrial
Components
4-Steps to a Healthy System
Vortex Filters
for fine filtration
and oxygenation
Smoothing Inlet
stable sedimentation
and oxygenation
Floating Filter
takes the cleanest
water
Multifunction overflow
for a clean water
surface
protects water
quality
Vortex Filters
Downspout Filter
• Residential
– Up to 1,600 sq.ft.
Vortex Filters
WFF 150
• Residential
• Small Commercial
– Up to 5,500 sq.ft.
Vortex Filters
WFF 300
• Large Commercial
• Industrial
– Up to 33,000 sq.ft.
Components
4-Steps to a Healthy System
Vortex Filters
for fine filtration
and oxygenation
Smoothing Inlet
stable sedimentation
and oxygenation
Floating Filter
takes the cleanest
water
Multifunction overflow
for a clean water
surface
protects water
quality
Tanks
Choices
• Above or Below
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ground
Polyethylene
Fiberglass
Metal
Tanks
Manufacturers
• Polyethylene
NORWESCO
Tanks
Manufacturers
• Polyethylene
NORWESCO
ROTH / FRALO
Tanks
Manufacturers
• Polyethylene
NORWESCO
ROTH / FRALO
• Fiberglass
CONTAINMENT
SOLUTIONS
Tanks
Manufacturers
• Polyethylene
NORWESCO
ROTH / FRALO
• Fiberglass
CONTAINMENT
SOLUTIONS
XERXES
Tanks
Manufacturers
• Polyethylene
NORWESCO
ROTH / FRALO
• Fiberglass
CONTAINMENT
SOLUTIONS
• Metal
XERXES
CORGAL
Tanks
Manufacturers
• Polyethylene
NORWESCO
ROTH / FRALO
• Fiberglass
CONTAINMENT
SOLUTIONS
• Metal
XERXES
CORGAL
• Modular
ACF
Potable Water Needs
• UV light treatment
• Ozonation
• Drinking water not
available
Questions?
Irrigation Scheduling
Quick calculation
Demand: 1 acre inch of water per week
# acres x 27,154 x 4 in/month
1.5 x 27,154 x 4
in/month
= 162,924 gallons
Irrigation Scheduling
Supply vs. Demand
Demand:
1.5 x 27,154 x 4 inches = 162,924 gallons
Supply?
roof area x rainfall
(monthly inches)
x 0.62 x 0.95
conversion collection
factor
efficiency
Irrigation Scheduling
Supply?
roof area x rainfall
(monthly inches)
Example
x 0.62 x 0.95
conversion collection
factor
efficiency
80,000 sq.ft. building
3 inches = summer monthly rainfall
80,000 sq.ft. x 3 in. x 0.62 x 0.95 = 141,360
gallons
Supply: 141,360 gallons
Demand: 162,924 gallons
-21,564 gallons
Irrigation Scheduling Services
RMS Additional Service Offered
Fine tune irrigation scheduling
Demand based on local climate data
Highest demand month:
5.85
inches of plant demand
– 3.45
inches rain
= 2.40 inches
2.40 inches vs. 4 inches
Irrigation Scheduling Services
Supply:
80,000 sq.ft. x 3 in. x 0.62 x 0.95 = 141,360
gallons
Demand:
1.5 x 27,154 x 2.4 inches = 97,754 gallons
Supply: 141,360 gallons
Demand: 97,754 gallons
+43,606 gallons