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Water Quality (140 publications 1989-2025)

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Title (link to summary)NumberDate (released or updated)
Aquatic Pesticide Modification Form ECY 070-788July 2025
Application for Domestic Wastewater Treatment Plant Operator Certification ECY 040-2-131June 2025
Concentrated Animal Feeding Operation (CAFO) Modification Form ECY 070-787May 2025
Washington Department of Ecology Cultural Resources Review Form ECY 070-537March 2025
Industrial Stormwater General Permit Discharge/Sample Point Update ECY 070-373February 2025
Modification of Permit Coverage Form for Industrial Stormwater General Permit ECY 070-361February 2025
Transfer Ownership of Stormwater General Permit for Industrial Facilities ECY 020-84aFebruary 2025
Industrial Stormwater General Permit Application Form (Notice of Intent) ECY 020-84February 2025
State Environmental Review Process Environmental Information Document (SERP EID) ECY 070-421January 2025