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.
SFY2017 Water Quality Funding EAGL Applicant Prep Tool
Prepatory assistance for the water quality funding application (fiscal year 2017))
https://ecology.wa.gov/sfy2017-water-quality-funding-eagl-applicant-prep
2018 South Skagit Bay Assessment Update
Working with Dept. of Health we've identified South Skagit Bay as a priority area to improve water quality. This is a summary of our work for 2018.
https://ecology.wa.gov/south-skagit-bay-assessment-update
SoapLakeOustandingWaterLetter
This letter was sent in response to the application for Soap Lake to become an Outstanding Resource Water
https://ecology.wa.gov/soaplakeoustandingwaterletter
Policy 1-11 Public Dialogue Sediment Management Standards (SMS) Issues December 2016
This is a review of the sediment management standards issues for the Water Quality Assessment/Policy 1-11 Updates Human Health Criteria Alternatives Proposed by Ecology
https://ecology.wa.gov/smsissuepaperpolicy1-11
Department of Ecology Environmental Review/SERP Determinations for SRF Funded Projects
Ecology will review all SERP packages before financing a project. Ecology’s SERP Determinations will be posted on this website. Please direct any comments or questions about the projects listed here to Liz Ellis, Environmental Review Coordinator at (360) 407-6429 or liz.ellis@ecy.wa.gov
https://ecology.wa.gov/serp-determinations
SEPA DNS and request for scope (WAC 173-201A) 9/30/14
This is teh SEPA DNS and request for scope for WAC 173-201A Water quality standards for surface waters of the state of Washington.
https://ecology.wa.gov/sepa-dns-and-request-for-scope-wac-173-201a-9-30
Soos Creek SAP Appendix 1: 7-DADMAX thermal record graphs
7-DADMAX thermal record graphs for Soos Creek Watershed Temperature and DO TMDL Study and Analysis Plan, Appendix 1
https://ecology.wa.gov/soos-creek-sap-appendix-1-7-dadmax-thermal-record
Soos Creek SAP Appendix 2: Historical dissolved oxygen data
Historical dissolved oxygen data
https://ecology.wa.gov/soos-creek-sap-appendix-2-historical-dissolved-ox
Soos Creek SAP Appendix 3: Discharge, water temperature, air temperature graphs
Discharge, water temperature, air temperature graphs
https://ecology.wa.gov/soos-creek-sap-appendix-3-discharge-water-temper
Ecology Water Quality Funded Activity Projects Load Reduction Reporting Overview
Ecology Water Quality Funded Activity Projects Load Reduction Reporting Overview
https://ecology.wa.gov/section-319-load-reduction-reporting-overview
Ecology Water Quality Funded Activity Projects STEPL Load Reduction Tool Overview
Ecology Water Quality Funded Activity Projects STEPL Load Reduction Tool Overview
https://ecology.wa.gov/section-319-stepl-loan-reduction-tool-overview
Procedure for sizing Silva Cells using the Western Washington Hydrology Model.
Procedure for sizing Silva Cells to meet water quality standards using the Western Washington Hydrology Model. Silva Cells have been found to be functionally equivalent to rain gardens (Bioretention) for stormwater control.
https://ecology.wa.gov/silvacellswwhmprocedure
Soaker Tire-Wash Functional Equivallency
Ecology finds Soaker-Tire Wash system is functional equivalent to BMP C106 (Wheel Wash) for stormwater management.
https://ecology.wa.gov/soakerwheelwashfunctionallyequivalent
Aquatic Noxious Weed Control NPDES General Permit Shoreline Posting Templates
Shoreline Posting Templates for the Aquatic Noxious Weed Control NPDES General Permit.
https://ecology.wa.gov/shorelinepostingtemplatesnoxweed
Aquatic Noxious Weed Control NPDES General Permit Shoreline Posting Templates - Spanish
Shoreline Posting Templates for the Aquatic Noxious Weed Control NPDES General Permit - SPANISH.
https://ecology.wa.gov/shorelinepostingtemplatesnoxweed_spanish
Shoreline sign templates (English)
Shoreline sign templates for use meeting APAM permit requirements.
https://ecology.wa.gov/shorelinesignsapam
Fisheries Resource Management Permit Shoreline Sign Template
Fisheries Resource Management Permit Shoreline Sign Template
https://ecology.wa.gov/signtemplatesshorelineposting
Sediment Impact Zone Application for Grays Harbor
Burrowing shrimp document: Sediment Impact Zone Application for Grays Harbor
https://ecology.wa.gov/sediment-impact-zone-application-for-grays-harbor
Settlement Agreement for CSWGP
CSWGP October 27, 2016 Settlement Agreement
https://ecology.wa.gov/settlement15-142-11-1-16
Snohomish County 2005 CSWGP Appeal
2005 Construction Stormwater General Permit appeal from Snohomish County.
https://ecology.wa.gov/snohomishcounty
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