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.

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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

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

Draft-EIS-Process

Steps in the state environmental review process for a draft EIS

https://ecology.wa.gov/draft-eis-process

Goldendale-Energy-Storage-Project-Draft-EIS-Open-House

Read the online open house for the Goldendale Energy Storage Project draft Environmental Impact Statement.

https://ecology.wa.gov/goldendale-energy-draft-eis-open-house

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

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

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

Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2020

List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2020

https://ecology.wa.gov/fy2020-aquatic-invasive-plant

Ecology Water Quality Funded Aquatic Invasive Plants Grant Project Offer List for Fiscal Year 2021

List of applicants who were offered grants/loan through Ecology's Water Quality Funded Aquatic Invasive Plants Grant Project for Fiscal Year 2021

https://ecology.wa.gov/fy2021-aquatic-invasive-plant-grants-offer-list

Goldendale Energy Draft EIS June 28, 2022 hearing transcript

Transcript of the second hearing on the Goldendale Energy Storage Project draft EIS

https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-2-transcript

Goldendale Energy Draft EIS June 30, 2022 hearing transcript

Transcript of the third hearing on the Goldendale Energy Storage Project draft EIS

https://ecology.wa.gov/goldendale-energy-draft-eis-hearing-3-transcript

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

Freshwater Aquatic Plants Manual

An illustrated guide to some of the more common freshwater aquatic plants found in Washington, such as hydrilla, milfoil, pondweeds, bladderworts, and more.

https://ecology.wa.gov/freshwater-aquatic-plants