Maps of Phase I and Phase II Municipal Stormwater Permit Coverage

Small map (thumbnail) of permit coverage areas.

Updated permit area maps are now available.

These maps are provided for informational purposes only. If you are uncertain whether a specific area is covered by a particular permit, refer to section S1.A of your MS4 permit. In the case of any discrepancy, the permit language supercedes these maps.

Who's Covered Under the Municipal Stormwater Permits?

EPA - Urbanized Area Maps

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Last updated March 2015