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Stormwater Division


NPDES Phase ll

Birch Bay

Lake Samish Basin

Comp. Stormwater Plan

Lake Whatcom

Comp. Stormwater Plan

Natural Resources

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National Pollutant Discharge Elimination System (NPDES)
Phase II Permit

The Washington State Department of Ecology has issued Whatcom County the Western Washington Phase II Municipal Stormwater Permit. This permit regulates discharges from Small Municipal Separate Storm Sewers, and is part of the National Pollutant Discharge and Elimination System (NPDES) and State Waste Discharge General Permit.

Whatcom County is required to implement various stormwater management strategies to comply with this State permit.

To learn more about Whatcom County's NPDES Phase II Permit and the regulated areas, please go to:


Stormwater Division

Stormwater Division
322 N. Commercial Street, Ste 301, Bellingham, Washington, 98225
Telephone: (360) 715-7450