NPDES Maps and Publications
Overview of NPDES
Federal law requires Thurston County to minimize or prevent stormwater pollution under the county’s "NPDES Phase II Permit." "NPDES" stands for National Pollutant Discharge Elimination System, a federal permit system based in the Federal Clean Water Act. The permit requires Thurston County to take a number of actions to reduce stormwater pollution within a certain geographic area/permit boundary. Among other things, the permit requires Thurston County to accomplish the following tasks: (See our Storm and Surface Water Utility Services page for examples of how we're meeting these requirements.)
NPDES Maps and Documents
Thurston County is also required to post several documents on the web, as shown below.
Staff contact: Rich Doenges, (360) 754-4106. E-mail: firstname.lastname@example.org
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