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King County Stormwater Management Program Plan
Our Stormwater Management Program (SWMP) Plan lists our proposed actions to comply with the Phase I Municipal Stormwater National Pollutant Discharge Elimination System (NPDES) Permit (Phase I Permit) issued by the Washington State Department of Ecology.
The SWMP is also attached to our Annual Report, which provides information for our previous year's work related to the Phase I Permit.
Please let us know your feedback to help shape the SWMP Plan. Comments submitted after March 31 will be considered for next year's program plan.