Rainwater Rewards |
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| about this tool | |
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| Street address: | |||
| City: | |||
| Zip: | |||
| Could not find a match for the provided address; check your entries and try again. | |||
| Selected coordinates: [none; click on map to select] |
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Could not find the CENSUS block associated with the provided coordinates;
Try different coordinates or choose a different location selection option. |
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The CENSUS BLOCK associated with the selected address or coordinates
is not in our database. Try a different location selection option. |
| Selected location: |
| Stormwater runoff per rain event | |
| Drainage area (acres) | |
| % impervious area | |
| Impervious area (acres) | |
| Amount of rainfall per event (inches) | |
| Stormwater runoff per event (ft3) | |
| Other location-specific parameters | |
| % canopy cover | |
| Average annual rainfall (inches) | |
| Soil group | |
| Value calculation parameters | |
| TSS pollution coefficient (mg/L) | |
| Phosphorus pollution coefficient (mg/L) | |
| Discount rate (%) | |
| Scenario length (years) | |
In the selected location, buildings, pavement, and other impervious surfaces lead to ft3 of runoff each year. To reduce this runoff, add green infrastructure in step 2 below.
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(i) you can add multiple; just select again!
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| Area (ft2) | |
| Area draining into natural area (ft2) | |
| Volume draining into natural area (ft3) |
| Drainage area that is impervious (%) |
| Number | |
| Area draining into cistern (ft2) | |
| Volume draining into cistern (ft3) |
| Rain barrel cost ($) | |
| Drainage area that is impervious (%) | |
| Average rainfall per event (in) | |
| Annual rainfall per event (in) | |
| Volume per cistern (gallons) | |
| Total storage volume (ft3) |
| Green roof surface area (ft2) | |
| Area draining onto green roof (ft2) | |
| Volume draining onto green roof (ft3) |
| Will roof be installed on a LEED-certified building? | |
| Installation cost ($/ft2 | |
| Drainage area that is impervious (%) | |
| Depth of soil media (ft) | |
| Porosity of soil media (%) | |
| Volume provided in soil media (ft3) | |
| Depth of drainage layer (ft) | |
| Porosity of drainage layer (%) | |
| Volume provided in drainage layer (ft3) | |
| Depth of ponding above surface (ft) | |
| Volume provided in ponding layer (ft3) | |
| Total volume provided (ft3) |
| Basin surface area (ft2) | |
| Area draining into basin (ft2) | |
| Volume draining into basin (ft3) |
| Installation cost ($/ft2 | |
| Drainage area that is impervious (%) | |
| Depth of soil media (ft) | |
| Porosity of soil media (%) | |
| Volume provided in soil media (ft3) | |
| Depth of drainage layer (ft) | |
| Porosity of drainage layer (%) | |
| Volume provided in drainage layer (ft3) | |
| Depth of ponding above surface (ft) | |
| Volume provided in ponding layer (ft3) | |
| Total volume provided (ft3) | |
| Volume treated (ft3) |
| Area of porous pavement (ft2) | |
| Area draining onto pavement (ft2) | |
| Volume draining onto pavement (ft3) |
| Installation cost ($/ft2 | |
| Area required to capture all runoff (ft3) | |
| Depth of gravel bed (ft) | |
| Porosity of gravel bed (%) | |
| Total storage volume (ft3) |
| Garden surface area (ft2) | |
| Area draining into garden (ft2) | |
| Volume draining into garden (ft3) |
| Installation cost ($/ft2 | |
| Drainage area that is impervious (%) | |
| Depth of soil media (ft) | |
| Porosity of soil media (%) | |
| Volume provided in soil media (ft3) | |
| Depth of drainage layer (ft) | |
| Porosity of drainage layer (%) | |
| Volume provided in drainage layer (ft3) | |
| Depth of ponding above surface (ft) | |
| Volume provided in ponding layer (ft3) | |
| Total volume provided (ft3) | |
| Percent reduction (%) |
| Number | |
| Tree size: |
| Installation cost ($/planter) | |
| Area reduced per tree (ft2) | |
| Total impervious area reduced (ft2) |
| Infrastructure capacity (ft3): | -- |
| Runoff reduced per rainfall event (ft3): | -- of -- |
| Runoff reduced (%): | -- |
| Runoff reduced per year (ft3) : | -- |
| Type | Size | Runoff reduced | Return on investment |
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| Stormwater reduced per year: | Return on investment: | ||||
| of ft3 | benefits - costs | ||||
| ft3 remaining | over years | ||||
| Years to payoff: | |||||
| Phosphorus pollution reduced: | TSS pollution reduced: | ||||
| of lbs annually | of lbs annually | ||||
| X | |