PWD Sewersheds

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A sewershed is the area of land where all the sewers flow to a single end point, in most cases it is a regulator/permitted outfall, but in cases when the flow can be split between multiple regulators/permitted outfalls, the area above the point of split is treated as a separate sewershed.

Combined Sewershed

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Combined sewersheds in the City of Pittsburgh. Attribute field identifies sewersheds that were analyzed as part of PWSA's City Wide Green First Plan.

Major Watersheds - Philadelphia

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Polygon feature class representing major watersheds in Philadelphia. Data was developed originally from either USGS and the 2004 Sanborn DEM (digital elevation model) using ArcHydro watershed extraction tools. Major Watersheds are dissolved from subshed boundaries which reflect surface flow in relationship to stormwater inlets and outfalls.

Stormwater Management Practice Polygons

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This layer represents Green Stormwater Infrastructure Stormwater Management Practice types. Integrating Green Stormwater Infrastructure (GSI) into a highly developed area such as Philadelphia requires a decentralized and creative approach to planning and design.

Hydrology

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Locations of surface water features (rivers, creeks, ponds, reservoirs) and water beneath city bridges and adjacent to city borders. Separate files are available for each waterbody (and watershed) in KML form, or as a whole in Shapefile form.

Green Stormwater Infrastructure (GSI) Planning Parcels

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PWD Parcels with fields added that help categorize parcels by Green Stormwater Infrastructure (GSI) Planning program and standardize ownership or ownership category and summarize impervious cover by surface type.

Locations of Combined Sewer Overflow Outfalls - US EPA Region 3

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This data layer identifies the locations of Combined sewer overflow outfalls. Combined sewer systems are sewers that are designed to collect rainwater runoff, domestic sewage, and industrial wastewater in the same pipe. Most of the time, combined sewer systems transport all of their wastewater to a sewage treatment plant, where it is treated and then discharged to a water body. During periods of heavy rainfall or snowmelt, however, the wastewater volume in a combined sewer system can exceed the capacity of the sewer system or treatment plant. For this reason, combined sewer systems are designed to overflow occasionally and discharge excess untreated wastewater directly to nearby streams, rivers, or other water bodies. For further information visit: http://cfpub1.epa.gov/npdes/home.cfm?program_id=5

Locations of Combined Sewer Overflow Outfalls - US EPA Region 3

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This data layer identifies the locations of Combined sewer overflow outfalls. Combined sewer systems are sewers that are designed to collect rainwater runoff, domestic sewage, and industrial wastewater in the same pipe. Most of the time, combined sewer systems transport all of their wastewater to a sewage treatment plant, where it is treated and then discharged to a water body. During periods of heavy rainfall or snowmelt, however, the wastewater volume in a combined sewer system can exceed the capacity of the sewer system or treatment plant. For this reason, combined sewer systems are designed to overflow occasionally and discharge excess untreated wastewater directly to nearby streams, rivers, or other water bodies. For further information visit: http://cfpub1.epa.gov/npdes/home.cfm?program_id=5

渠务署辖下的污水处理及排水设施 (污水处理设施、雨水泵房及充气坝)

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有关渠务署辖下污水处理设施、雨水泵房及充气坝的资料。

Storm Sewer System

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