NPDES Permit for Naval Magazine Indian Island in Washington

Below are EPA's National Pollutant Discharge Elimination System (NPDES) permit and supporting documents for the U.S. Navy Naval Magazine Indian Island (NAVMAG) near Port Hadlock, Washington.

• Permit number: WA0021997
• Effective date: October 1, 2023
• Permit expires: September 30, 2028

• NPDES Permit, Naval Magazine Indian Island, #WA0021997 (pdf) (546.57 KB, September 7, 2023)
  Modified final discharge permit.
• NPDES Permit Fact Sheet, Naval Magazine Indian Island, #WA0021997 (pdf) (1.91 MB, February 2022)
  Technical basis for permit.

• Response to Comments on Draft NPDES Permit for Naval Magazine Indian Island, #WA0021997 (pdf) (343.15 KB, June 2023)
  EPA's responses to public comments received on the February 2022 draft permit.