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Puget Sound Olympia

Municipal Stormwater

Secondary Permittee Stormwater Program Resources

Public entities covered under the Municipal Stormwater General Permits as a Secondary Permittee are located in a Phase I or Phase II city or county coverage area that own or operate a separate stormwater system. The resources on this page include program guidance and examples submitted by other permittees.

Ecology Guidance

Materials from Secondary Permittees

Please also see the Information for New Secondary Permitees page if you are a new permittee (or are not sure if your organization requires coverage under the MS4 permit).


Last updated February 2015