Stormwater Management Action Plan

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The Stormwater Management Action Plan (SMAP) is intended to meet the requirements of S5.C.1.d.iii of the 2019 -2024 Western Washington Phase II National Pollutant Discharge Elimination System (NPDES) Stormwater Permit issued by the Washington Department of Ecology.

In 2022, the City completed a watershed inventory and assessment that informed a sub-basin prioritization process. Much of the watershed data and analysis conducted through this SMAP will serve to better understand stormwater pressures upon water resources on a watershed basis.

Our Priorities
Trosper Lake Sub-Basin
West Mottman Sub-Basin
Fish Pond Creek Sub-Basin