Regulations & Permits - Washington State Department of Ecology

Environmental Covenant for MSW and Limited Purpose Landfills

This is Ecology's official form for covenants with Washington's landfills.

https://ecology.wa.gov/environmental-covenant-for-msw-and-limited-purpose

EPA Davis-Bacon Act Memo November 30, 2009

Application of Davis-Bacon Act Wage Requirements to Fiscal Year 2010 Clean Water State Revolving Fund and Drinking Water State Revolving Fund Assistance Agreements

https://ecology.wa.gov/epa-davis-bacon-act-memo-november-30-2009

NDZ supplemental letter requested by EPA

This is the letter requested of Ecology regarding the NDZ petition.

https://ecology.wa.gov/epalettervesselpumpoutavailabilityoct2016-pdf

EPA Motion 063021

This is the legal motion filed.

https://ecology.wa.gov/epa-motion-063021

Emergency flood response

Outlining ecology's various roles in emergency flood response.

https://ecology.wa.gov/emergency-flood-response-who-does-what

Environmental Review Process Phases diagram

Diagram showing the overall Environmental Review Process phases

https://ecology.wa.gov/environmental-review-phases-diagram

Emergency Rule Adoption Language (WAC 173-03) - 7/20/17

This is emergency rule language for WAC 173-03-900E for Public Records Rule. Ecology is working on a permanent version of this language.

https://ecology.wa.gov/emergency-rule-adoption-language-wac-173-03-7

Emergency Rule Adoption Notice (WAC 173-03) - 7/20/17

This is an emergency adoption of WAC 173-03-900E. Ecology is adopting a permanent version of this emergency rule.

https://ecology.wa.gov/emergency-rule-adoption-notice-wac-173-03-7-20

AO16-07 EPA Approval Letter

This is the letter from the EPA that states that the changes still follow the Clean Water Act and are approved.

https://ecology.wa.gov/epa-approval-letter

AO16-07 EPA Approval Tech Support Doc

This is the technical support document that goes with the EPA Approval Letter.

https://ecology.wa.gov/epa-approval-tech-support-doc

Ecology Water Quality Funded Facility Projects EPA Signage Memo

https://ecology.wa.gov/epa-signage-memo-for-cwsrf-funded-projects

Equivalent Residential Units (ERU) calculation worksheet tool

Equivalent Residential Units (ERU) calculation tool for use by people applying for Ecology Water Quality Program's Wastewater Facility Hardship Funding.

https://ecology.wa.gov/equivalent-residential-units-eru-calculation-wor

Envirotac II

Letter showing Envirotac II functionally equivalent to C126 (Polyacrylamide for Soil Erosion Protection) and C140 (Dust Control) best management practices for stormwater management.

https://ecology.wa.gov/envirotac2

EarthGuard Fiber Matrix Equivalency

Ecology letter finding EarthGuard Fiber Matrix can be used as temporary erosion control mechanism.

https://ecology.wa.gov/equivalency-earthguard-bmpc120

EPA SSM Policy 06/12/15

EPA's 2015 Startup, Shutdown & Malfunction Policy

https://ecology.wa.gov/epa-ssm-policy-wac-173-400;401-06-12-15

Detalok Equivalency Letter

Letter showing Deltalok product can be used to meet Element 6 (Protect Slopes) of the Stormwater Pollution Prevention Plan for construction sites.

https://ecology.wa.gov/equivalencyletter

EPA letter to Washington Agencies Lower Yakima Valley

EPA letter to Washington state agencies on Lower Yakima Valley

https://ecology.wa.gov/epa-letter-to-washington-agencies-2022

Entiat Approved SMP March 2013

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/entiat-approved-smp-march-2013

Enumclaw Approved SMP July 2012

Shoreline Master Program that has been adopted by the local jurisdiction and Approved by Ecology

https://ecology.wa.gov/enumclaw-approved-smp-july-2012

Washington State Climate Resilience Strategy Summary - English

Climate Resilience Strategy Summary in English

https://ecology.wa.gov/english-washington-state-climate-resilience-strategy-summary