Regulations & Permits

Use this portal to filter and search for all of our regulatory information.

We oversee many state and federal laws designed to protect Washington's land, air, and water. See our laws, rules, & rulemaking page for more information about our current rules and rulemaking.

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Nippon Dynawave, Longview

We regulate the air, water, and hazardous waste activities at the Nippon Dynawave mill in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/nippon-dynawave-longview

2021 Areas of Concern map

2021 map showing areas of concern for criteria pollutants

https://ecology.wa.gov/20210806-aoc-map-alt

Certificate of compliance: PFAS in food packaging 2024

This is the certificate of compliance for food packaging manufacturers for items regulated as of May 2024.

https://ecology.wa.gov/certificate-of-compliance-2024

Certificate of compliance 2023

Manufacturers that produce food packaging sold in Washington must fill out a Certificate of Compliance to show they meet the PFAS in food packaging rules

https://ecology.wa.gov/certificate-of-compliance-2023

Climate Resilience Strategy Engagement Plan

This Engagement Plan supports Ecology in our efforts to develop an updated statewide Climate Resilience Strategy.

https://ecology.wa.gov/climate-resilience-strategy-engagement-plan-final

Municipal stormwater permit compliance assurance program

We use a proactive approach to ensuring the permits are implemented and effective.

https://ecology.wa.gov/regulations-permits/compliance-enforcement/municipal-stormwater-compliance-assurance-program

Policies and guidance for site cleanups

Policies and guidance interpret the MTCA cleanup law and help you clean up contaminated sites.

https://ecology.wa.gov/regulations-permits/plans-policies/toxics-cleanup-policies

Dangerous waste permits

Facilities that store, treat, or dispose of dangerous waste must have a dangerous waste permit.

https://ecology.wa.gov/regulations-permits/permits-certifications/dangerous-waste-permits

Pacific Coast Coal Company

We permit the water quality discharge at the Pacific Coast Coal Company for the John Henry Mine.

https://ecology.wa.gov/regulations-permits/permits-certifications/pccc

Resources for underground storage tank owners & operators

Follow procedures to keep your tanks safe.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/ust-owner-and-operator-resources

401 Water Quality Certifications for hydropower licenses

We work with the Federal Energy Regulatory Commission (FERC) licensing process for hydropower dams.

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

Air Liquide Hydrogen Plant, Anacortes

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

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/air-liquide

Heat pump & air conditioning return flow UIC wells

Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells

Eagle US 2, Longview

We regulate water and hazardous waste at the Axiall Corporation's Eagle US 2 plant in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/eagle-us-2-llc

Hazardous waste test methods — SW-846

Learn about updates to SW-846 analytical methods for solid and chemical materials.

https://ecology.wa.gov/regulations-permits/permits-certifications/laboratory-accreditation/lid-and-chemical-materials-updates

Alcoa Intalco

We regulate air, water, hazardous waste, & cleanup at the Alcoa Intalco Aluminum Corp. in Ferndale.

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

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

Mint Farm Electricity Cogeneration Facility

We regulate water and hazardous waste for PSE's Mint Farm electricity cogeneration facility.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/mint-farm

North Pacific Paper Corporation (NORPAC)

We regulate the water and hazardous waste activities at the NORPAC paper mill in Longview.

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

Northwest Alloys, Longview

We regulate water, hazardous waste and cleanup activities at Northwest Alloys in Longview.

https://ecology.wa.gov/regulations-permits/permits-certifications/industrial-facilities-permits/northwest-alloys-longview