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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Section Manager

Draft report to the Legislature that provides recommendations for cannabis lab accreditation.

https://ecology.wa.gov/cannabis-lab-accreditation-report

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

Ecology Open Data Report 2017

Reports progress on the five measures set in Ecology's Open Data Plan.

https://ecology.wa.gov/2017-open-data-report

Ecology Open Data Plan 2018

Ecology's strategy for enabling public access to our business data sets, satisfy the requirements of RCW 43.105.351.

https://ecology.wa.gov/2018-open-data-plan

Recycling Development Center

Washington State's Recycling Development Center: Developing secondary markets for recycled materials in the Pacific Northwest

https://ecology.wa.gov/recycling-development-center

Centroid calculator

An Excel/VBA program to calculate the centroid of a time-concentration series or any x-y series of data.

https://ecology.wa.gov/xlsm-centroid-calculator

Final Report Clallam County Bluffs

Final scientific report on Bluffs in Clallam County

https://ecology.wa.gov/final-report-clallam-county-bluffs

BEACH Annual Report Summary 2004 - 2018

Beaches passing swimming standard from 2004 - 2018

https://ecology.wa.gov/table-beach-annual-report-summary

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

Eyes Over Puget Sound - Latest

Surface conditions of Puget Sound - high-resolution aerial photo observations with data from our monthly monitoring stations and en route ferry transects.

https://ecology.wa.gov/eyes-over-puget-sound

Dioxin Study Technical Memo

This is a PDF file that summarizes well testing results in the Lower Yakima Valley.

https://ecology.wa.gov/dioxin-study-technical-memo

Watershed Health sentinel (reference) sites 2009-2018

Data tables for the map here: https://waecy.maps.arcgis.com/apps/webappviewer/index.html?id=5f7e6c8a758a4ac2af2098f74da80ea4

https://ecology.wa.gov/table-reference-sites-for-watershed-health

Watershed Heatlh Monitoring randomly chosen sites from 2009 - 2017

Data tables for map here: https://waecy.maps.arcgis.com/apps/webappviewer/index.html?id=7b90d34357484848a46076ee220fbffc

https://ecology.wa.gov/table-watershed-health-random-sites

Water Quality Index spreadsheet, version 6

The Water Quality Index, or WQI, summarizes and presents water-quality data in an easily understood format. This spreadsheet is a downloadable tool for calculating a WQI score based on your own data.

https://ecology.wa.gov/water-quality-index-version-6

Bonneville Power Administration TSD permit (PDF)

A permit issued in 2011 allowing the Bonneville Power Administration to treat, store and dispose of dangerous waste.

https://ecology.wa.gov/bonneville-power-administration-tsd-permit

Seasoft Scuba NOP

This is a Notice of Penalty for Seasoft Scuba

https://ecology.wa.gov/seasoft-penalty-nop

Transcript of the "Is your dry cleaner still using toxic PERC?" audio blog

Fifty dry cleaning businesses across the state have now switched from using toxic perchloroethylene (PERC) to a less toxic alternative since 2019. However, approximately 60 PERC-using businesses are still operating, prompting Ecology to redouble its efforts to eliminate the hazardous chemical from use.

https://ecology.wa.gov/20210820-perc-audio-transcript

List of Businesses Participating in Product Replacement Programs

List of businesses participating in our product replacement programs.

https://ecology.wa.gov/prp-businesses