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

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

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

July 16, 2012: Ecology's approach to fish consumption standards in Washington state

Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing Ecology's approach to fish consumption standards in Washington state.

https://ecology.wa.gov/20120716sturdevantfcrapproachtostandards

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

August 30, 2012: Fish consumption rates technical support document [draft Version 2]

Former Ecology Director Ted Sturdevant's 2012 transmittal letter announcing release of fish consumption rates technical support document [draft Version 2.0].

https://ecology.wa.gov/20120830sturdevantfcrtechsuppdraftv2

Received through October 26, 2012: Comments on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0)

Comments received through October 26, 2012, on Ecology's Fish Consumption Rates Technical Support Document (draft Version 2.0).

https://ecology.wa.gov/20121026fcrcommentsforversion2

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

Publication index: Wetlands information

List of links to publications related to wetlands.

https://ecology.wa.gov/wetlands-publications