NPDES Phase II Permit

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:

Western Washington Phase II  Municipal Stormwater Permit


Picture of a dock on lake stevens during sunset

2012 Stormwater Management Manual for Western Washington

2014 SWMMWW Cover Page

Stormwater Management Manual for Western Washington (2014 Update)

The City of Lake Stevens uses the 2014 updated version of the 2012 Stormwater Management Manual for Western Washington. Click the image to the left to go to document's homepage on the Department of Ecology's website.

2020 DRAFT Surface Water Management Program

The City of Lake Stevens' 2020 Surface Water Management Program is what outlines the City's program for the entirety of the 2020 calendar year. The final version of this document is submitted along with the City's Annual Report to the Washington State Department of Ecology in late March every year.

***The 2020 DRAFT Surface Water Management Program is posted for public comment***  

Please submit all comments to stormwater@lakestevenswa.gov with the subject line, "2020 SWMP DRAFT COMMMENT." Comments on this draft will be accepted through March 31, 2020. Please use the link provided below to access the document, or click the picture to the right: 


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2019_SWMP_coverpage

2019 Annual Report


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​The 2019 Annual Report for the City of Lake Stevens is now available to view. The Annual Report is submitted each year as a summary of the previous year's activities and compliance with the NPDES Phase II Permit. Click THIS LINK to open a new window and read the document.
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