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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Consolidated rock llst

A comprehensive description of rock types found when drilling wells.

https://ecology.wa.gov/consolidated-rock-list

Ecology Administration of Grants and Loans (EAGL) public map

Map displays information about environmental projects funded by grants and loans (2014 - current)

https://ecology.wa.gov/eagl-public-map

Online tool: Aquatic Plant and Algae Management (login required)

This database is for permit coverages to control aquatic plants, algae, or phosphorous using chemicals that are put directly into surface water like lakes or streams.

https://ecology.wa.gov/aquatic-plant-and-algae-management

Water and Resource Protection Wells license study Guide for Written Exam

This is the full license, written exam study package for Water and Resource Protection Wells

https://ecology.wa.gov/wells-license-study-guide-for-written-exam

Washington Coastal Marine Advisory Council

This is a resource page, including meeting agendas and presentations, for the advisory council.

https://ecology.wa.gov/washington-coastal-marine-advisory-council

Publication: Sediment Cleanup User’s Manual (SCUM)

Guidance for Ecology staff, potentially liable persons, and technical consultants on how to conduct cleanup of contaminated sediment sites.

https://ecology.wa.gov/publication-sediment-cleanup-user-s-manual-scum

Publication: Criteria for Sewage Works Design (Orange Book)

A guide for the design of sewage collection, treatment, and reclamation systems, for municipal wastewater collection and treatment facilities.

https://ecology.wa.gov/publication-criteria-for-sewage-works-design-orange-book

Resources: 6PPD informational materials and resource links

Access more information about 6PPD and find 6PPD-quinone resources.

https://ecology.wa.gov/resources-6ppd-informational-materials-and-resource-links

Agricultural Burning & Research Task Force

The Agricultural Burning Practices and Research Task Force (Agricultural Task Force) is established by the Washington State Clean Air Act.

https://ecology.wa.gov/agricultural-burning-research-task-force

Video: Breathe better by easily making a clean air fan

Video showing how to make an air filter out of a box fan and furnace filter.

https://ecology.wa.gov/diy-video-box-fan-filter

Vídeo: Como hacer su propio filtro de aire limpio

Aprenda a hacer su propio ventilador para filtrar aire. Esta combinación de ventilador-filtro de bajo costo.

https://ecology.wa.gov/spanish-video-box-fan-filter

Blog: Washington Smoke Information

Washington state blog site for sharing updates and forecasting on smoke from wildfires.

https://ecology.wa.gov/wa-smoke-blog

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

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