Research & Data
Use this portal to filter and search for all of our scientific information.
Ecology provides the high-quality science that is the foundation of Washington state environmental policy. Our monitoring, assessment, and modeling services provide a data-rich understanding of our state’s land, air, and water. We provide access to that data through reports, databases, maps and user-friendly online tools.
2017 Water Quality Financial Assistance Applications
2017 application for water quality financial assistance.
https://ecology.wa.gov/2017-water-quality-financial-assistance-applicatio
2018 Draft Water Quality Assessment 4B Analyses
This is part of Ecology's submittal to EPA for the 2018 Water Quality Assessment.
https://ecology.wa.gov/2018-draft-wqa-4b-analyses
2018 Deschutes TMDL Cover Letter
This cover letter is included in the TMDL document to address the EPA decisions about this TMDL
https://ecology.wa.gov/2018-deschutes-tmdl-cover-letter
2017 Noxious Weed General Permit
Noxious Weed General Permit from 2017.
https://ecology.wa.gov/2017noxiousweedpermit
2017 Noxious Weed General Permit Fact Sheet
Noxious Weed General Permit Fact Sheet from 2017.
https://ecology.wa.gov/2017noxweedfactsheet
2017 settlement Agreement Sand & Gravel
Sand & Gravel 2017 settlement Agreement with WACA
https://ecology.wa.gov/2017settlementagreemt
Potential MS4 Outfall Reporting Standard Attribute Information (February 2017)
This handout was created as part of the MS4 Outfall Reporting Standard presentation and illustrates our initial thinking on what a MS4 outfall reporting standard might look like.
https://ecology.wa.gov/2017outfallhandout
Meeting introduction for Reissuance of the Phase I and Western Washington Phase II Municipal Stormwater Permits
This is a meeting agenda and background for the public meetings of the Reissuance of the Phase I and Western Washington Phase II Municipal Stormwater Permits in 2017.
https://ecology.wa.gov/2017pubmtgagenda
Public meeting table prompts for MS4 reissuance 2017
This is the list of table prompts from the public meeting for the MS4 reissuance process.
https://ecology.wa.gov/2017pubmtgtableprompts
2016 Annual Report
2016 Coast Seafood Z. japonica Annual Report
https://ecology.wa.gov/2016wag993011annualrpt
2016 Pretreatment Plan
2016 Coast Seafood Z. japonica Pretreatment Plan
https://ecology.wa.gov/2016wag993011pretrtplan
2017 Pretreatment Plan
2017 Coast Seafood Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993011pretrtplan
2016 Pretreatment Plan
2016 Heckes Clam Inc Z. japonica Pretreatment Plan
https://ecology.wa.gov/2016wag993010pretrtplan
2017 Pretreatment Plan
2017 Taylor Shellfish Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993005pretrtplan
2017 Pretreatment Plan
2017 Wiegardt and Sons Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993006pretrtplan
2017 Pretreatment Plan
2017 Station House Oysters Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993004pretrtplan
2017 Pretreatment Plan
2017 Northern Oyster Company Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993007pretrtplan
2017 Pretreatment Plan
2017 Willapa Bay Shellfish Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993008pretrtplan
2017 Pretreatment Plan
2017 Herrold Fish Oyster Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993009pretrtplan
2017 Pretreatment Plan
2017 Heckes Clam Inc Z. japonica Pretreatment Plan
https://ecology.wa.gov/2017wag993010pretrtplan
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