Washington State Department of Ecology


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Wastewater Discharge Permits (10 publications 2016-2026)


7
Title (link to summary)NumberDate (released or updated)
State Waste Discharge Permit Application - Industrial to Ground ECY 040-179March 2026
State Waste Discharge Permit Application - POTW to Ground ECY 040-178March 2026
State Waste Discharge Permit Application - Industrial to POTW ECY 040-177March 2026
Permit Application for Coverage Under the Sand and Gravel General Permit ECY 070-31February 2026
Water Treatment Plant General Permit Update Form ECY 070-730October 2023
Request to Transfer Permit Coverage, Boatyard General Permit ECY 070-553August 2023
Request to Terminate Permit Coverage, Boatyard General Permit ECY 070-549August 2023
Request for a Conditional No Exposure Exemption, Boatyard General Permit ECY 070-485August 2023
Boatyard General Permit Modification and Update Form ECY 070-728June 2023
I-502 Producer/Processor Wastewater Discharge Checklist ECY 070-533August 2016

 

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