MS4 Storm Sewer Outfalls

Published by Department of Energy and Environment | District of Columbia | Metadata Last Checked: January 27, 2026 | Last Modified: 2018-10-19T00:00:00.000Z

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 WASA in 2004-2006. A database provided by WASA identified outfalls, drainage structures, and MS4 outfall locations. The data was verified in conjunction between DOEE and DC Water.

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DOEE dc district of columbia drainage area environment ms4 sewer outfall stormwater washington dc water

Complete Metadata

identifier	https://www.arcgis.com/home/item.html?id=03795a44b05f41a1ae9d46a59a9227d8&sublayer=68
issued	2019-03-26T15:24:53.000Z
landingPage	https://opendata.dc.gov/datasets/DCGIS::ms4-storm-sewer-outfalls
spatial	-77.1120,38.8060,-76.9117,38.9920
theme	[ "geospatial" ]

Location