Municipal Separate Storm Sewer System Area
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https://private-demo-dcdev.opendata.arcgis.com/maps/7b160ea881874139872285440b5d2259
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资源简介：
For better understanding this layer was renamed from MS4 Sewer Shed to Municipal Separate Storm Sewer (MS4) Sewershed. This data is a requirement of the District's MS4 Permit. It is used for stormwater management and all aspects supporting efforts to comply wiht the Clean Water Act in the District.
创建时间：
2015-02-28
