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

Public review draft - Policy 1-11 Chapter 1 Harmful Algae Blooms Methodology

Draft shows proposed revisions. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.

https://ecology.wa.gov/2022-policy-1-11-chapter-1-hab-methodology-draft-r

Public review draft - Policy 1-11 Chapter 1 non-substantial updates

Draft shows revisions with track changes. Public comment period November 2022 through Jan. 6, 2023. One of 2 documents with draft revisions.

https://ecology.wa.gov/2022-policy-1-11-chapter-1-non-substantial-updates

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

Uplet Outlet Ecology Approval Letter

This document explains 2gH Solutions Uplet Outlet is not approved by Ecology, however it is allowed to be installed with stipulations.

https://ecology.wa.gov/2gh-uplet-outlet-approval-letter

401 Certification - Wynoochee

The 401 certification document for Wynoochee

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

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

APAM Shoreline template.

Template used to show when herbicides will be applied.

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

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

APAMSpanish.

Shoreline posting templates in Spanish.

https://ecology.wa.gov/apamespanol-1

Stormwater Control Transfer Program second draft comments

Ecology is issuing this second draft guidance in concert with a companion draft guidance, Building Cities in the Rain, being issued by the Department of Commerce

https://ecology.wa.gov/2nd-draft-comments

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

2019 Pretreatment Plan

Document describing the plans of the Permittee for treating Z. japonica on their commercial clam beds this year.

https://ecology.wa.gov/2019longislandpretreatplan

ACO StormBrixx approval letter

ACO StormBrixx Geocellular system is approved for stormwater detention storage.

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