Regulations & Permits - Washington State Department of Ecology

2010 Triennial review 5-year plan

We reviewed all comments received during the comment period and developed a five-year plan

https://ecology.wa.gov/5yrtrireviewplanfinal082011-pdf

5-7-19DirectorBellonLettertoEPA

This letter expresses Ecology's concern over reconsidering Washington State's Water Quality Standards for Human Health Criteria

https://ecology.wa.gov/5-7-19directorbellonlettertoepa

Summarization notes Category 4B (Other Pollution Control Program) for PCB impaired waters

Follow up from March 30, 2017 Meeting discussing implementation of Human Health Criteria in the Water Quality Assessment Policy 1-11

https://ecology.wa.gov/4bpcbfinal

Ecology Water Quality Funded Activities Projects Final Report template

https://ecology.wa.gov/activities-projects-final-report-template

Addendum to Informal Draft Language

This addendum goes with the draft rule language for the informal comment period.

https://ecology.wa.gov/addendum-to-informal-draft-language

Adopted Rule Language (WAC 173-201A) 12/30/19

This is adopted rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-12-30-19

401 Certification - Wynoochee

The 401 certification document for Wynoochee

https://ecology.wa.gov/401-certification-wynoochee

Adopted Rule Language (WAC 173-224) 06/22/21

This is adopted rule language for WAC 173-224 Water Quality Permit Fees

https://ecology.wa.gov/adopted-rule-language-wac-173-224-06-22-21

Adopted rule language (WAC 173-201A) 09/17/21

This is adopted rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-09-17-21

Adopted rule language (WAC 173-201A) 03/22/22

This is adopted rule language for WAC 173-201A Water Quality Standards

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-03-22-22

ACF wheel washing

Letter showing ACF wheel washing functional equivalence.

https://ecology.wa.gov/acfwestwheelwashfeaenclosure

Adopted Rule language (WAC 173-201A) 1/23/19

This is the adopted rule language for Chapter 173-201A WAC (recreation use criteria).

https://ecology.wa.gov/ots-adopted-rule-language

Shoreline Posting Template for Noxious Weeds

Post this sign when treating for noxious weeds.

https://ecology.wa.gov/2shorelinepostingtemplatesnoxweed

Shoreline Posting Template for Noxious Weeds in Spanish

Use these Spanish signs when treating for noxious weeds.

https://ecology.wa.gov/2shorelinepostingtemplatesnoxweed_spanish

Adopted rule language (WAC 173-201A) 08/01/16

This is adopted rule language for WAC 173-201A Water quality standards for surface waters of the state of Washington.

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-08-01-16

Appendix A: Response to Comments for Permit Effective August 1, 2013 (August 1, 2012) Part IV Addendum

Addendum to Part IV - Response to Comments on the Phase I Annual Report Questions for Cities and Counties

https://ecology.wa.gov/addendumtophaseivrtc

Adopted rule language (WAC 173-201A) 12/18/23

This is adopted rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-12-18-23

Adopted rule language (WAC 173-201A) 08/14/24

This is adopted rule language for WAC 173-201 Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-08-14-24

ACO StormBrixx approval letter

ACO StormBrixx Geocellular system is approved for stormwater detention storage.

https://ecology.wa.gov/aco-stormbrixx-approval-letter

Adopted Rule Language (WAC 173-201A) 11/14/24

This is adopted rule language for WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington

https://ecology.wa.gov/adopted-rule-language-wac-173-201a-11-14-24