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.
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
BEACH Annual Report Summary 2004 - 2018
Beaches passing swimming standard from 2004 - 2018
https://ecology.wa.gov/table-beach-annual-report-summary
Applicant List for the SFY 2021 WQC funding cycle
WQC funding cycle SFY 2021 applicant list
https://ecology.wa.gov/wqcsfy2021applicantlist
Freshwater Algae Control Grant Program - SFY 2021 Final Offer List
For the Fresh Water Algae Control grants funding program, this is the State Fiscal Year 2021 Final Offer List showing which projects will be offered funding and how much is being offered to them.
https://ecology.wa.gov/sfy-2021-freshwater-algae-control-program-offer-li
Silver Muse, SilverSea Cruises inspection report
This document is the wastewater discharges inspection report for Silver Muse, SilverSea Cruises Line.
https://ecology.wa.gov/silver-muse-silversea-cruises-inspection-report
FY 2019 Water Quality Combined Applications
List of all projects submitted via application for funding to the Water Quality Combined Funding Program
https://ecology.wa.gov/wqc-fy19-applications
401 certification process for aquaculture
A flowchart for shellfish growers to help them navigate the current Section 401 water quality certification and permitting process.
https://ecology.wa.gov/shellfish-aquaculture-401-flowchart
Stormwater Manual Handout 3
Best Management Practices handout for the stormwater management manual meetings.
https://ecology.wa.gov/swm-3
Water Quality Combined Funding SFY2019 Final Offer List
List of funded and unfunded projects seeking grant and loan funding in the State Fiscal Year 2019 cycle of the Water Quality Combined funding program.
https://ecology.wa.gov/wqc-fy19-final-offer-list-excel-version
Applicant Prep Tool for Water Quality Combined Funding Applications in EAGL
This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined funding program application in EAGL.
https://ecology.wa.gov/wqc-eagl-applicant-prep-tool
Applicant Prep Tool for Water Quality Stormwater
This is the Applicant Prep Tool document for people applying for funding via a Water Quality Combined (specifically stormwater projects) funding program application in EAGL.
https://ecology.wa.gov/wqc-eagl-applicant-prep-tool-for-stormwater
EAGL Progress Report and Payment Request forms guidance
Guidance document for using the Ecology EAGL system for completing required project progress reports and payment requests for reimbursement
https://ecology.wa.gov/wqc-recipient-training-eagl-prpr-guidance
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 Combined funding program State Fiscal Year 2023 Applicant Workshop Notice
This is the announcement and detailed information for the Water Quality Combined funding program's State Fiscal Year 2023 Applicant Workshop for anyone wanting to apply for loan or grant funding from the Water Quality Combined funding program in this next application cycle.
https://ecology.wa.gov/wqc-fy2019-applicant-workshop-notice
Yard care fact sheet W WA English
Washington Waters Ours to Protect yard care fact sheet W WA English
https://ecology.wa.gov/yard-care-fact-sheet-w-wa-english
Yard care fact sheet W WA Spanish
Washington Waters Ours to Protect yard care fact sheet W WA Spanish
https://ecology.wa.gov/yard-care-fact-sheet-w-wa-spanish
Septic poster W WA English
Washington Waters Ours to Protect septic poster W WA English
https://ecology.wa.gov/septic-poster-w-wa-english
Yard care poster W WA English
Washington Waters Ours to Protect yard care poster W WA English
https://ecology.wa.gov/yard-care-poster-w-wa-english
Yard care poster W WA Spanish
Washington Waters Ours to Protect yard care poster W WA Spanish
https://ecology.wa.gov/yard-care-poster-w-wa-spanish
Northeast West Plains PFAS March 2024 well sampling results meeting slides
Download the slides for the 6/6/24 NE West Plains drinking water sampling results meeting
https://ecology.wa.gov/west-plains-pfas-sampling-results-slides
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