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.
ATTACHMENT 1: OPINION OF RECIPIENT'S LEGAL COUNSEL
Legal counsel attachment for loan agreement
https://ecology.wa.gov/attachment-1-opinion-of-recipient-s-legal-counsel
Maia Bellon EPA Public Hearing Sept 25 2019
This is the testimony that Director Bellon gave at the EPA public hearing on Sept. 25, 2019.
https://ecology.wa.gov/bellon-epa-public-hearing-sept-25-2019
Pierce County Comments Concerning the Update to Water Quality Policy 1-11
These are comments regarding bioassessment data in the Update to Water Quality Policy 1-11
https://ecology.wa.gov/bioassesscommentspierceco031717
Policy 1-11 Public Dialogue Bioassessment Listings December 2016
This is the quick review of some key issues regarding bioassessment listings in the Water Quality Assessment/Policy 1-11 Updates
https://ecology.wa.gov/bioassessmentissuepaperpolicy1-11
City and County letter identifying Timeline and Budget for TMDL implementation
TMDL budget and timeline for Whatcom County and Bellingham TMDL project
https://ecology.wa.gov/bellinghambudgettimelineltr
Bid Specifications Insert for 319 grant funded projects
Bid Specifications insert for Water Quality 319 grant funded projects
https://ecology.wa.gov/bid-specifications-insert-for-319-grant-funded-pro
Bed Specifications insert for Centennial grant funded projects
Bed Specifications insert for Water Quality Centennial grant funded projects
https://ecology.wa.gov/bid-specifications-insert-for-centennial-funded-pr
Approval Letter
Letter showing Brentwood StormTank for is approved for use in stormwater runoff filtration.
https://ecology.wa.gov/approvalletter
Application of Water Quality Criteria to Brackish Waters
Chapter 173-201A of the Washington Administrative Code (WAC), the Surface Water Quality Standards (standards) contains the description of the designated uses associated with each waterbody in the state. Special circumstances that require further instructions to determine which numeric criteria apply to a designated use category are guided by the rules in subsection 260(3).
https://ecology.wa.gov/applicationwqcriteriabrackishwaters
Attachment 1-I - Effluent characterization requirements
Effluent characterization requirements for industrial NPDES permit applications
https://ecology.wa.gov/att1-ind_per_app
Eastern Washington Phase II Municipal Stormwater Permit Appendix 1
Appendix 1. Minimum Technical Requirements
https://ecology.wa.gov/appx1ewaphaseii2014
Applications for Sediment Impact Zone authorizations for Grays Harbor
Burrowing shrimp document: Applications for Sediment Impact Zone authorizations for Grays Harbor
https://ecology.wa.gov/applications-for-sediment-impact-zone-authoriz-1
Applications for Sediment Impact Zone authorizations for Willapa Bay
Burrowing shrimp docmuent: Applications for Sediment Impact Zone authorizations for Willapa Bay
https://ecology.wa.gov/applications-for-sediment-impact-zone-authorizatio
Eastern Washington Phase II Municipal Stormwater Permit Appendix 2
Appendix 2. Total Maximum Daily Load Requirements
https://ecology.wa.gov/appx2ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 3
Appendix 3. Annual Report Questions for Cities, Towns and Counties
https://ecology.wa.gov/appx3ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 4
Appendix 4. Annual Report Form for Secondary Permittees
https://ecology.wa.gov/appx4ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 5
Appendix 5. Notice of Intent for Coverage
https://ecology.wa.gov/appx5ewaphaseii2014
Eastern Washington Phase II Municipal Stormwater Permit Appendix 6
Appendix 6. Street Waste Disposal
https://ecology.wa.gov/appx6ewaphaseii2014
Building Industry Association of Washington & Associated General Contractors Appeal
Appeal of 2005 Construction Stormwater General Permit by the Building Industry Association of Washington & Associated General Contractors
https://ecology.wa.gov/associatedgeneralcontractors
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