Research & Data

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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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Research & Data

Use this portal to filter and search for all of our scientific information.

Research & Data icon

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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Water Quality Trading White Paper
This is a white paper that discusses using water quality trading
https://ecology.wa.gov/water-quality-trading-white-paper
Water Quality Index spreadsheet, version 6
The Water Quality Index, or WQI, summarizes and presents water-quality data in an easily understood format. This spreadsheet is a downloadable tool for calculating a WQI score based on your own data.
https://ecology.wa.gov/water-quality-index-version-6
Water Treatment Plant General Permit 2014
This is the 2014 Water Treatment Plant General Permit.
https://ecology.wa.gov/water-treatment-plant-general-permit-2014
Water Treatment Plant General Permit 2014 Fact Sheet
This is the Water Treatment Plant General Permit 2014 Fact Sheet.
https://ecology.wa.gov/water-treatment-plant-general-permit-2014-fact-she
Wastewater Facility Planning Design Projects Outcomes Summary form
Outcomes Summary form for Water Quality funded Wastewater Facility Planning and Design Projects
https://ecology.wa.gov/wastewater-facility-planning-design-projects-outco
Wastewater Facility Construction Projects Outcomes Summary form
Outcomes Summary form for Water Quality funded Wastewater Facility Construction Projects
https://ecology.wa.gov/water-quality-funded-wastewater-facility-construct
WDFWTimingTable18Feb2016
This table provides WDFW recommended treatment windows for aquatic herbicide treatment. These windows are designed to avoid adverse impacts to Priority Species (federal- and state-listed and other sensitive and vulnerable species).
https://ecology.wa.gov/wdfwtiming-table
Watcom Clean Water Map
This map shows the Watcom Clean Water Program Area
https://ecology.wa.gov/watcom-clean-water-map
Watershed Management Plan Water Resource Inventory Area 55 (WAC 173-557; 173-555) 01/27/15
Watershed Management Plan Water Resource Inventory Area 55 - Little Spokane River & Water Resource Inventory Area 57 - Middle Spokane River, Prepared by: Spokane County regarding rulemaking for WAC 173-557; 173-555 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
https://ecology.wa.gov/watershed-management-plan-water-resource-inventory
2024WaterBankingProviso
2024 Water Banking Proviso
https://ecology.wa.gov/water-banking-proviso
StevensCountyWaterBankProposal
Summary of Water Bank Proposal put forth by Stevens County
https://ecology.wa.gov/water-bank-proposal-summary-stevens-county
WCBContactsList
Water Conservancy Board List of contacts for each county
https://ecology.wa.gov/wcb-contacts
Webinar #1 Slides
Slides for Webinar #1
https://ecology.wa.gov/webinar-1-slides
Webinar #2 Slides
Slides for Webinar #2
https://ecology.wa.gov/webinar-2-slides
WCB_Eligibility
TRACKING OF BOARD COMMISSIONERS AND BOARD ELIGIBILITY
https://ecology.wa.gov/wcb-quorum-possible
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