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NPDES Stormwater Permit for Naval Station Everett MS4 in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) permit and supporting documents for the Naval Station Everett municipal separate storm sewer system (MS4) in Washington.

Permit number: WAS026620
Effective date: February 1, 2021
Permit expires: January 31, 2026

NPDES Permit, Naval Station Everett MS4, #WAS026620 (pdf) (947.3 KB, November 23, 2020)
Final stormwater permit.
NPDES Permit Fact Sheet, Naval Station Everett MS4, #WAS026620 (pdf) (682.2 KB, September 2019)
Technical basis for permit.
Response to Comments on Draft NPDES Permit for Naval Station Everett MS4, #WAS026620 (pdf) (286.93 KB, November 2020)
EPA's responses to public comments on the September 2019 draft permit.