The City of Lake Stevens operates its stormwater program under the National Pollutant Discharge Elimination System (NPDES) Phase II Permit. The permit is regulated by the Washington State Department of Ecology as an extension of Federal requirements under the Clean Water Act. The name of the Washington State Permit is the Western Washington Phase II Municipal Stormwater Permit. The current permit term began on July 1, 2019 and extends through July 31, 2024.
A link to the Western Washington Phase II Municipal Stormwater Permit can be found by clicking below: