rainwater overflow rainwater captured & used potable water used rainwater harvesting: cistern...
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Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 40,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
3,000 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
12,000 Gallon Tank
Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 40,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
4,000 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
20,000 Gallon Tank
Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 40,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
5,000 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
35,000 Gallon Tank
Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 20,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
1,500 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
6,000 Gallon Tank
Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 20,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
2,000 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
10,000 Gallon Tank
Rainwater Overflow
Rainwater Captured & Used
Potable Water Used
Rainwater Harvesting: Cistern Performance Simulation
Cistern Size (Thousands of Gallons)
1990-2010 Philadelphia Precipitation ( 20,000 sf roof )
Tota
l Wat
er (
Mill
ions
of
Gal
lons
)
2,500 Gallons Per Day Used For Toilet Flushing (Projected Estimate)
18,000 Gallon Tank