The amount of water captured by the stormwater drainage system over a given area. Note: for parameters listed as a "unitless" coefficient, we apply the guidlines from New York City DEP (2012) to estimate the amount of water captured.
Used to calculate:stormwater drainage and floodwaters
Varies by: ecosystem
| Used | ecosystem | Reference | Location: Ecosystem (study period) |
Value | Units | Notes |
|---|
| * | Agricultural field / vegetable garden | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Airfield | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Airport terminal | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Alley | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Apartment building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Beach | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Bike lane | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Bioswale | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Boulevard (arterial) | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Bridge | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | p. 16 |
| * | Camp | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.3 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Cemetery | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Cistern / rain barrels | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Cliffs and rock outcrops | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Cogeneration plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Compost bin | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Computer data center | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Cottages / Mobile home | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage. |
| * | Deep water estuary | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Derelict structures | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Diesel power plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Disturbed Land | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Eelgrass meadow | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Elevated train | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Estuary | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Factory | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Freshwater marsh | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Fuel storage tank | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Garage | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Gas station | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Geothermal pump | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Graywater recycling | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Greenhouse / vertical farm | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Green roof | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.7 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Hardwood swamp | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Heavy rail line | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.65 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Hemlock – northern hardwood forest | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | High salt marsh | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Highway | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Hospital | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Hotel | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Landfill | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.3 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Lawn | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Light rail line | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.65 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Low salt marsh | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Meadow | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Mixed use: office / residential building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Mixed use: restaurant / office building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Mixed use: restaurant / residential building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Mixed use: restaurant / retail building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Mixed use: retail / office building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Mixed use: retail / residential building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Natural gas power plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Oak hickory forest | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Office building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Orchard | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Ornamental garden | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Parking lot | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Park savanna | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | |
| * | Paved ball field/court | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Pedestrian bridge | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | p. 16 |
| * | Pedestrian street / plaza | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Permeable pavers | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.7 | unitless coefficient | |
| * | Photovoltaic panels | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Pier | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Pond | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Public assembly hall | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| Puddles on hardtops | NULL REFERENCE | NULL REFERENCE LOCATON: NULL ECOSYSTEM (NULL STUDY PERIOD) | None | DUMMY UNIT | ||
| * | Restaurant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Retail building | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | School or university | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Sewage treatment plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Shrub land | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Sidewalk | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. p. 16 |
| * | Single family home | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Solar energy facility | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Solar heating panels | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Solid waste transfer plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Stadium | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Stream | Assumed | New York City: Mannahatta () | 0 | mm | |
| * | Streetcar line | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Street (collector) | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Street trees | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.2 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Subway | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Swimming pool | Assumed | New York City: Urban Area () | 0 | mm | |
| * | Tidal energy facility | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Traffic slowed street | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Trail | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.3 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Tunnel | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | p. 16 |
| * | Utility yard | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.85 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Warehouse | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Waste energy power plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Water treatment plant | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | This value refers to the unweighted runoff coefficient associated with this surface coverage type. |
| * | Water/wastewater storage tank | NYC DEP 2012- Guidelines for the Design and Construction of Stormwater Management Systems | New York: urban landscape (2012) | 0.95 | unitless coefficient | |
| * | Wind farm | Assumed | New York City: Urban Area () | 0 | mm |