public works

Surface Water Management Program (SWMP) Plan


Surface Water Management Program (SWMP) Plan is a written documentation to inform the public of the yearly planned SWMP activities according to the program components specified in NPDES Western WA Phase II Municipal Stormwater Permit.  The SWMP Plan will be updated annually for submittal with City's annual report to the State Department of Ecology.

City of Maple Valley 2015 NPDES Annual Report [PDF]
City of Maple Valley 2016 SWMP Plan [PDF]
Education and Outreach Measurement 2015 Report [PDF]

Phase II Western Washington Municipal Stormwater Permit

City of Maple Valley 2015 SWMP Plan [PDF]
City of Maple Valley 2014 NPDES Annual Report [PDF]
Stormwater Education Evaluation Report - June 2011 [PDF]

The City is still accepting public comments for the implementation and update of the City's SWM Program. To obtain educational material or to provide comments, contact Ken Srilofung, SWM/NPDES Program Manager, at

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