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.
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
Online tool: Emergence guidance for stormwater management
Guidance in the 2024 Stormwater Management Manual for Western Washington
https://ecology.wa.gov/online-tool-emergence-guidance-for-stormwater-management
Online tool: Stormwater Pollutants and Their Adverse Impacts
Guidance in the 2024 Stormwater Management Manual for Western Washington
https://ecology.wa.gov/online-tool-stormwater-pollutants-and-their-adverse-impacts
Publication: Stormwater treatment of tire contaminants – best management practices effectiveness
Study assessing which stormwater best management practices (BMPs) are expected to reduce concentrations of 6PPD and 6PPD-q in stormwater.
https://ecology.wa.gov/publication-stormwater-treatment-of-tire-contaminants-best-management-practices-effectiveness
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
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