Draft NPDES Stormwater Permit for Washington Department of Transportation MS4 in Washington

EPA accepted public comments on the revised draft permit from July 20 through September 19, 2022.

EPA is re-proposing to issue a National Pollutant Discharge Elimination System (NPDES) municipal separate storm sewer system (MS4) permit for the Washington Department of Transportation's MS4 that discharges to surface waters of the Puyallup Tribe overlying Puyallup Tribal Trust lands within the 1873 Survey Area of the Puyallup Reservation.

Permit number: WAS026743

The draft permit and supporting documents are available for review below.

2022 Draft NPDES Stormwater Permit, Washington Dept. of Transportation (WSDOT) MS4, Washington, #WAS026743 (pdf) (2.04 MB, July 2022)
Revised draft stormwater permit.
2022 NPDES Permit Fact Sheet, City of Tacoma MS4 (#WAS026689), Pierce County MS4 (#WAS026875), WSDOT MS4 (#WAS026743) (pdf) (1.44 MB, July 2022)
Technical basis for EPA's 2022 re-proposal of three draft stormwater permits on tribal trust lands within the Puyallup Reservation.
2021 Draft NPDES Stormwater Permit, Washington Dept. of Transportation (WSDOT) MS4, Washington, #WAS026743 (pdf) (1.46 MB, April 2021)
Draft stormwater permit.
2021 NPDES Permit Fact Sheet, City of Tacoma MS4 (#WAS026689), Pierce County MS4 (#WAS026875), WSDOT MS4 (#WAS026743) (pdf) (1.35 MB, April 2021)
Technical basis for EPA's 2021 proposal of three draft stormwater permits on tribal trust lands within the Puyallup Reservation.