5 datasets found
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MS4 Storm Sewer Outfalls
District of Columbia —
The dataset contains locations and attributes of the MS4 outfalls created as part of the Federal MS4 Permit. GPS outfall locations were captured by DC Water, then DC... -
County
Environmentally Sensitive Areas
Fairfax County, Virginia —
This polygon dataset is composed of subsets from Fairfax County’s current soil inventory, recorded floodplain, and Resource Protection Area (RPAs) layers. Layer... -
MS4 Sewer Shed
District of Columbia —
The dataset contains locations and attributes of the drainage areas of MS4 outfalls. -
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... -
DC Subwatersheds
District of Columbia —
This layer depicts the conglomeration of the 4 layers used for TMDLs. It contains TMDL Subsheds, Direct Drain Overland (not piped), Direct Drain Sewersheds (piped),...
5 datasets found