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Small MS4 (Municipal Separate Storm Sewer Systems) Area

Published by Vermont Department of Environmental Conservation | Vermont Center for Geographic Information | Catalog Last Checked: January 14, 2026 at 05:58 PM | Dataset Last Updated: March 24, 2022 at 11:53 AM
The dataset contains the boundaries of the MS4 general permit, which are defined as the intersection of US Census urbanized areas and the watershed boundaries of the stormwater-impaired waters with approved TMDLs.

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