Revised Washington Municipal (MS4) Stormwater Phase I and Phase II Permits

Revised Washington Municipal (MS4) Stormwater Phase I and Phase II Permits

The Washington Department of Ecology has released revised versions of the Phase I and Western¬†Washington Phase II Municipal Stormwater (MS4) Permits (Permits), effective January 16, 2015.¬† These changes were initiated as the result of the disposition of appeals of the Permits that were issued in 2012. The most significant change to both Permits relates to … Read more