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.
E-Cycle WA guidance and reports
This page includes E-Cycle WA frequently asked questions and annual reports.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/electronics-ecycle-guidance-and-reports
Financial responsibility for oil spills
Tank vessels are required to have financial responsibility to pay for costs & damages from spills.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/financial-responsibility-for-oil-spills
Buying green — sustainable purchasing
Guidance for state agencies, local governments, and businesses on how to buy green products.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/green-purchasing
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
Online cleanup guide for homeowners and small businesses
An online cleanup guide for homes and small business properties that might be contaminated.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups
Information for air monitoring professionals
Standard procedures, quality assurance, and monitoring guidance for air monitoring professionals.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/information-for-air-monitoring-professionals
Learning from incidents and spills
We learn from incidents and spills through investigations and share what we learn with others.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/learning-from-incidents-and-spills
EPA guidance on managing moderate risk waste
U.S. Environmental Protection Agency regulatory guidance on common moderate risk waste topics.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/managing-moderate-risk-waste-guidance
Moderate risk waste facility guidance
Regulatory information and guidance for county moderate risk waste facilities.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/moderate-risk-waste-facility-guidance
Municipal water law
We help regulate municipal water suppliers to ensure a safe and reliable drinking water supply.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/municipal-water-law
Pollution prevention services for businesses
Pollution prevention resources and technical assistance for businesses in Washington.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/pollution-prevention-services
Bunkering requirements for ships
Learn about best practices and rules that promote safe, spill-free fuel loading in Washington waters.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/requirements-for-bunkering
Safer alternatives to toxic chemicals
We provide tools, training, and other resources to help you find alternatives to toxic chemicals.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/safer-alternatives
Shoreline Master Programs Handbook
The Handbook helps local governments update their shoreline master programs.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/shoreline-master-plan-handbook
Stormwater permittee guidance & resources
Resources for general permit application, reporting on monitoring, and technical requirements.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources
Terrestrial Ecological Evaluations
Terrestrial Ecological Evaluations (TEEs) identify and protect native plants and animals at sites.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/terrestrial-ecological-evaluation
Acronyms & glossary for the Toxics Cleanup Program
We have a list of acronyms and terms commonly used in contaminated site cleanup work.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/toxic-cleanup-acronyms
Rules for used oil generators
Follow these rules if you are a used oil generator.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/used-oil-generators-rules
Rules for used oil processors & re-refiners
Follow these rules if you are a used oil processor or re-refiner.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/used-oil-processors-rules
Vapor intrusion
We have guidance that helps you evaluate and respond to vapor intrusion at your MTCA cleanup site.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/vapor-intrusion-overview
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