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.
Draft 2021-2025 Section 309 Assessment & Strategy
Every five years, states and territories are encouraged to conduct self-assessments of their coastal management programs to determine problems and enhancement opportunities within each of the nine enhancement areas—and to assess the effectiveness of existing management efforts to address identified problems.
https://ecology.wa.gov/washington-coastal-zone-management-section-309-ass
Guidance for Marine Net Pen Aquaculture in Washington State
Proposed guidance for net pen aquaculture management and operations in Puget Sound and the Strait of Juan de Fuca.
https://ecology.wa.gov/guidance-for-marine-net-pen-aquaculture-in-washing
Floodplains by Design 2023-2025 Grant Pre-Application
Pre-application form for Floodplains by Design project proposals for the 2023-2025 fiscal year.
https://ecology.wa.gov/floodplains-by-design-2023-2025-grant-pre-applicat
Cleanup Rule exploratory rulemaking process & timeline (as of January 2018)
A January 2018 notice of our exploratory process and timeline for updating Washington's Cleanup Rule.
https://ecology.wa.gov/noticecleanupruleexprmjan2018
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
Received through January 18, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (Version 1)
Comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrcommentsforversion1
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
Discovery Princess Cruise Line inspection report
This document is the inspection report for wastewater discharges for Discovery Princess Cruise Line.
https://ecology.wa.gov/discovery-princess-inspection-report
Requirements for 401 Water Quality Certification Request
This table describes the required elements, documents, and actions to submit your certification request to the Department of Ecology.
https://ecology.wa.gov/certification-requirements-table
Received through January 18, 2012: Emailed form comments in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
Emailed (form) comments received through January 18, 2012, in response to Ecology's Fish Consumption Rates Technical Support Document (Version 1).
https://ecology.wa.gov/20120118fcrformlettercommentsforversion1
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
Order Remanding 2020 Section 401 Rule with Vacatur
Order from United State District Court Northern District of California that remands and vacates the 2020 Section 401 rule under the Clean Water Act.
https://ecology.wa.gov/cwa-401-order-remanding-with-vacatur
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
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
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
Clean Water Act: Section 401 Water Quality Certifications
Under the Clean Water Act, we help make sure projects, actions, and activities don't harm state waters.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification
401 Water Quality Certifications for non-hydropower permits
We review projects needing federal approval to assure compliance with state water quality standards.
https://ecology.wa.gov/regulations-permits/permits-certifications/401-water-quality-certification/non-hydropower-401-certifications
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
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