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Combined Sewer Outfall Sewer Shed
District of Columbia —
DC Water operates a wastewater collection system comprised of "separate" and "combined" sewers. Approximately two-thirds of the District is served by a separate sewer... -
Impervious Surface 2013
District of Columbia —
The dataset contains basemap features that are typically classified as impervious surface, captured in 2013. Some examples of Impervious Surfaces include: Airport... -
State
i19 Stormwater Project Points
State of California —
The feature dataset contains storm water projects planned in the future throughout California that involve groundwater recharge and direct use. It was used to develop... -
State
i19 Stormwater Resource Plans Polys
State of California —
The feature dataset contains data representing storm water projects planned in the future throughout regions in California that involve groundwater recharge and... -
Impervious Surface 2015
District of Columbia —
The dataset contains basemap (planimetric) features that are typically classified as impervious surface captured in 2015., created as part of the DC Geographic... -
State
i19 Stormwater Capture Master Plan LosAngelesDWP Geophysical Polys
State of California —
The feature dataset contains geophysical properties to analyze where obstacles to infiltration exist and where infiltration would be most desirable. Such properties... -
State
i19 Stormwater Permitees Municipal
State of California —
The feature datasets contain Phase 1 and Phase 2 municipal separate stormwater sewer system (MS4s) permittees in California. These draft layers are based on 2010...