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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UST COVID-19 Stakeholder letter, March 27, 2020

This letter is to inform you of the Government Public Health and Safety Restrictions in regards to implementation of the Underground Storage Tank requirements (UST) imposed by coronavirus (COVID-19).

https://ecology.wa.gov/ust-covid-19-stakeholder-letter-march-27-2020

Licensed Tire Handlers

A PDF file of companies licensed to haul waste tires in Washington state.

https://ecology.wa.gov/tiretransporterlist

Worst Case Drill Cycle

Find the schedule of drills for each plan holder (drill location), drill cycle, date of next Worst Case Drill, and location of last drill.

https://ecology.wa.gov/worst-case-drill-cycle

Supreme Court Decisions

Summary of selected Washington State Supreme Court decisions related to shorelines.

https://ecology.wa.gov/selected-supreme-court-decisions

Water Treatment Plant General Permit 2014 Fact Sheet

This is the Water Treatment Plant General Permit 2014 Fact Sheet.

https://ecology.wa.gov/water-treatment-plant-general-permit-2014-fact-she

MTCASGL12.0: Excel workbook for individual hazardous substances

Statistical workbook for calculating cleanup levels for individual hazardous substances for sites being cleaned up under the Model Toxics Control Act.

https://ecology.wa.gov/workbook-for-calculating-cleanup-levels-for-indivi

Stromwater Manual Handout 4

UIC guidance for the stormwater manual meeting.

https://ecology.wa.gov/swm-4

Stormwater Manual Handout

Redevelopment handout for the manual improvement meeting.

https://ecology.wa.gov/swm-handout-1

Stormwater Manual Handout 2

Flow chart for stormwater manual improvement.

https://ecology.wa.gov/swm-handout-2

Water Quality Combined funding program - Recipient Training - Resources List

For funding recipients of our Water Quality Combined Funding Program, this is the resources list for the Recipient Training workshop.

https://ecology.wa.gov/wqc-recipient-training-resource-list

Water Quality Program Funding Recipient Training Announcement

Water Quality Program Funding Recipient Training Announcement - Calendar Year 2020

https://ecology.wa.gov/wqc-recipient-training-announcement

Water Quality Program Funding Recipient Training Announcement - Moses Lake

Water Quality Program Funding Recipient Training Announcement - Moses Lake location 2019.

https://ecology.wa.gov/wqc-recipient-training-info-moses-lake-2019

Common cleanup situations for homeowners and small businesses

Learn about common cleanup situations likely to affect home and small business owners.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/common-cleanup-situations-for-homeowners-small-b

FAQ: Evaluate options to clean up homes and small businesses

These FAQs help homeowners and small businesses evaluate cleanup options and complete cleanup work.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/evaluation-cleanup-for-homeowners-small-busine

Successful no further actions

Sites cleaned up using a model remedy might achieve "no further action" status faster.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/mtca-model-remedies/no-further-actions

Shellfish aquaculture 401 certification

We modified our certification process for shellfish growers because of new federal requirements.

https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/shellfish-aquaculture

Sand & Gravel Permit guidance

Guidance to implement your Sand & Gravel General Permit.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/stormwater-permittee-guidance-resources/sand-and-gravel-permit-guidance

Oil spill contingency planning standards

We verify standards for industry contingency plans using a GIS-based model.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/spills-planning-standards

Worldwide Response Resource List

Database of information on oil spill response equipment.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/worldwide-response-resource-list

Designate your waste — is it dangerous?

Designation is the process of determining if a waste is dangerous waste and what the hazards are.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/dangerous-waste-basics/designation