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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Vapor Intrusion for TCE

EPA's Region 9 memo Vapor Intrusion response action levels

https://ecology.wa.gov/vi-tce-region-9-memo

Vapor Intrusion guidance for TCE

EPA's Region 10 memo Vapor Intrusion toxicity

https://ecology.wa.gov/vi-tce-region-10-memo

QA planning process for NEP grantees

Printable and accessible PDF version of a flowchart showing the approval process for Quality Assurance Project Plans for National Estuary Program grantees.

https://ecology.wa.gov/nepqaflowchart

Table for 2018 Candidate random sampling sites

These are the data that support the 2018 Candidate Sampling Sites map located here: https://waecy.maps.arcgis.com/apps/webappviewer/index.html?id=e406f5fdf1af4857a2716b343e9ed594

https://ecology.wa.gov/table-candidate-sampling-sites

Rulemaking Announcement (WAC 173-50) 10/10/22

This is a rulemaking announcement (CR-101) for WAC 173-50 Accreditation of Environmental Laboratories.

https://ecology.wa.gov/rulemaking-announcement-wac-173-50-10-10-22

Pilot Use Level Technologies Notice of Intent (application) form

Local governments with a National Pollutant Discharge Elimination System (NPDES) permit must submit this Notice of Intent Form to Ecology, and receive Ecology’s approval prior to installing a pilot-designated technology (except in retrofit situations).

https://ecology.wa.gov/puldnoi

Boatyard general permit SWPPP template

Example template of a Stormwater Pollution Prevention Plan (2012) This template was prepared by the Northwest Marine Trade Association (NMTA) for use by its boatyard members. NMTA has granted the Department of Ecology permission to make this form available to all interested parties.

https://ecology.wa.gov/swppptemplate

Boatyard general permit SWPPP Worksheets

Examples of Stormwater Pollution Plan Worksheets (2007)

https://ecology.wa.gov/swpppworksheets

Pharmaceutical waste regulations webinar

PDF version of the Pharmaceutical Waste Regulations webinar conducted by Ecology's health care team January 2021

https://ecology.wa.gov/webinar-pharmawaste-slides-2021

Updated Preliminary Draft Rulemaking Language WAC 173-55

This Preliminary Draft Rulemaking Language for WAC 173-55 is from November 2023.

https://ecology.wa.gov/updated-preliminary-draft-rulemaking-language-wac-173-55

FAQ: Investigate and report toxic releases

FAQs to help homeowners and small businesses investigate and report toxic releases.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/guidance-for-residential-cleanups/investigating-reporting-toxic-releases

Heat pump & air conditioning return flow UIC wells

Groundwater circulated through a heat pump/air conditioning (HAC) system has to meet requirements.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/underground-injection-control-program/heat-pump-air-conditioning-return-flow-wells

Wildlife response service providers

Wildlife response service providers (WRSP) manage wildlife response activities during an oil spill.

https://ecology.wa.gov/regulations-permits/plans-policies/contingency-planning-for-oil-industry/wildlife-response-service-providers

TurboPlan

An online tool that guides you through your Pollution Prevention Plan. Plans are due Sept. 1 each year.

https://ecology.wa.gov/regulations-permits/reporting-requirements/dangerous-waste-reporting-requirements/pollution-prevention-plan/turboplan

Managing pharmaceutical waste

Learn how to manage waste pharmaceuticals properly to keep them out of the environment.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste

Pharmaceutical waste management options for eligible facilities

Facilities that meet certain criteria can use pharmaceutical waste management options.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/management-options

Frequently asked questions about pharmaceutical waste

Frequently asked questions about pharmaceutical waste and our answers.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/dangerous-waste-guidance/common-dangerous-waste/pharmaceutical-waste/frequently-asked-questions

Recordkeeping

Learn what records your business must keep if you generate dangerous waste.

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

Approved sampling and analysis procedures

Approved laboratory analysis methods for cleaning up contaminated sites.

https://ecology.wa.gov/regulations-permits/guidance-technical-assistance/contamination-cleanup-tools/sampling-and-analysis-procedures