Regulations & Permits - Washington State Department of Ecology

401 Water Quality Certifications for non-hydropower permits

We review projects needing federal approval to assure compliance with state water quality standards.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications

Clean Water Act: Section 401 Water Quality Certifications

Under the Clean Water Act, we help make sure projects, actions, and activities don't harm state waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification

Shellfish aquaculture 401 certification

We modified our certification process for shellfish growers because of new federal requirements.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture

Climate Resilient Riparian Grant landowner agreement template

This document is the landowner agreement template for the Climate Resilient Riparian Systems November 2024 grant solicitation.

https://ecology.wa.gov/cr2sl-landowner-agreement-template

Climate Resilient Riparian Grant Q&A Resource Document

An overview of questions and answers that have been asked regarding the 2024 funding opportunity.

https://ecology.wa.gov/q-a-resource-document

SEPA Supplemental Orca Checklist Guidance

This guidance helps applicants complete the SEPA Supplemental Orca Checklist.

https://ecology.wa.gov/regulations-permits/sepa/environmental-review/sepa-guidance/sepa-checklist-guidance/sepa-checklist-supplemental-orca-checklist-guidanc

Volendam Inspection Report

This is the inspection report for Volendam Cruise Line

https://ecology.wa.gov/2023-volendam

Frequently flooded areas: Critical Areas Ordinance

Frequently flooded areas are covered by Critical Areas Ordinances promoting safety from floods.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-floodplains-critical-areas-ordinanc

Puget Sound Nutrient General Permit

We have issued the first Nutrient General Permit for WWTPs that discharge to Puget Sound.

https://ecology.wa.gov/regulations-permits/permits-certifications/nutrient-permit

Matheson Tri-Gas, Anacortes

We regulate water and hazardous waste activities at the Linde hydrogen plant in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/matheson-anacortes

Puget Sound Energy Ferndale Generating Station

We regulate water and hazardous waste at the PSE Ferndale electricity cogeneration station.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/puget-sound-energy-ferndale-generating-station

Tesoro Logistics Anacortes Facility

We regulate water and hazardous waste at the Tesoro Logistics operations in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-logistics-anacortes

U.S. Oil Refinery

We regulate water and hazardous waste at the U.S. Oil and Refining Co. oil refinery in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/us-oil-refining

Equivalent stormwater manuals for municipal stormwater permits

We provide information for municipal stormwater permittees about equivalent stormwater manuals for Phase I and both the Eastern and Western Washington Phase II municipal stormwater permits.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/stormwater-manuals/equivalent-stormwater-manuals-for-municipal-stormw

Overview of compliance & enforcement at Ecology

View the compliance and enforcement authority we have, and what actions we have recently taken.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/overview-of-compliance-enforcement

Cruise ships in Washington waters

Formal agreement with cruise ship companies helps prevent pollution and protect marine waters.

https://ecology.wa.gov/regulations-permits/permits-certifications/cruise-ship-memorandum-of-agreement-mou

McKinley Paper Company

We regulate water and hazardous waste at the McKinley Paper Co. mill in Port Angeles.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/mckinley-paper

Phillips 66 Refinery

We regulate water and hazardous waste activities at the Phillips 66 refinery in Ferndale.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/phillips-66-refinery

SeaPort Sound Terminal

We regulate water and hazardous waste activities at the SeaPort Sound Terminal in Tacoma.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/seaport-sound-terminal

Tesoro Refinery

We regulate water, hazardous waste, and cleanup at Tesoro Refining & Marketing Company in Anacortes.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/tesoro-refinery