Regulations & Permits

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

Regulations & Permits icon

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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Regulations & Permits

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

Regulations & Permits icon

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.

See more about this collection...
A User's Guide to Compost: The Beauty of Your Lawn and Garden Blossoms from the Soil
A composting guide aimed at homeowners.
https://ecology.wa.gov/a-user-s-guide-to-compost-the-beauty-of-your-lawn
Building Soil: Guidelines and Resources for Implementing Soil Quality and Depth BMP T5.13
Best management practices for composting and soil management.
https://ecology.wa.gov/building-soil-guidelines-and-resources-for-implem
7Q10 for High Flows on the Columbia/Snake Rivers
Guidelines for arriving at 7Q10 for dissolved gas standards.
https://ecology.wa.gov/7q10forhighflows
Cannabis Lab Accreditation Webinar Slides, 10-25-2018
Slide deck from outreach event about the draft legislative report on the accreditation of cannabis laboratories.
https://ecology.wa.gov/cannabis-labs-webinar-slide-deck-no-audio
Cannabis Lab Report
Overview of Ecology's 2019 report to the Legislature on the state's cannabis lab accreditation program.
https://ecology.wa.gov/cannabis-lab-report-overview
Plan to improve cannabis lab accreditation
Ecology's overview of their plan to move cannabis lab accreditation to Ecology from the Liquor and Cannabis Board.
https://ecology.wa.gov/plan-for-cannabis-labs
Aquatic weed control technical assistance
We provide advice on identifying, monitoring, and managing invasive freshwater aquatic plants.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/aquatic-weed-control-technical-assistance
Better Brakes Law: Guidance for manufacturers
Guidance for manufacturers on Washington's Better Brakes regulations.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/better-brakes-guidance
Checklists and templates for site investigation reports and cleanup plans
Get help preparing remedial investigations, feasibility studies, and cleanup action plans.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/cleanup-report-checklists-and-templates
Dam construction & modification guidance
We provide guidance and technical notes for dam construction and modification.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-construction-modification-guidance
Dam operation & maintenance guidance
We provide guidance to assist dam owners with operations and maintenance.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dam-operation-maintenance-guidance
Dangerous waste guidance
Businesses in Washington that generate dangerous waste must follow the Dangerous Waste Regulations.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance
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
Cannabis licensing and the environment
Environmental permits may be required for cannabis growers and processors.
https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-cannabis-businesses
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
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