Research & Data

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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Well Construction
(SAW account required)
Water Right & Water Right Change Reports of Examination (ROE)
View draft and final Reports of Examination (ROE). Sign up for RSS notification ROE changes.
Water use reporting
(log-in required)
Operator Certification
(SAW account required)
Well Construction and Licensing System
Search Ecology well records including: Notice of Intent to Construct or Decommission a well and state licensed well operators and drilling companies.
Ecology's Well Report Gateway
(log-in required)
Water Right Tracking System
(SAW account required)
Columbia River Policy Advisory Group
The Columbia River Policy Advisory Group helps the Washington State Department of Ecology identify policy issues and priorities for developing water supply.
Water and Resource Protection Wells license study Guide for Written Exam
This is the full license, written exam study package for Water and Resource Protection Wells
Streamflow restoration law (ESSB 6091) map
A map that describes the areas in the state where the new streamflow restoration law applies.
Consolidated rock llst
A comprehensive description of rock types found when drilling wells.
CR-101 Form (WAC 173-201A) 08/16/2017
This is a rulemaking announcement (CR-101) to update the recreational use criteria in WAC 173-201A Water Quality Standards for Surface Waters of the State of Washington
Rulemaking Announcement (WAC 173-557) 01/21/14
This is a rulemaking announcement (CR-101) for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
Rulemaking Proposal (WAC 173-557) 09/17/14
This is a rulemaking proposal (CR-102) for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010.
Rulemaking Adoption Notice (WAC 173-557) 01/27/15
This is a rulemaking adoption (CR-103) for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010
Rulemaking proposed language (WAC 173-557) 09/17/14
This is proposed rule language for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer.
Rulemaking proposed language (WAC 173-555) 09/17/14
This is proposed rule language for amendment to WAC 173-555 Water Resources Program in the Little Spokane River basin, WRIA 55.
SEPA documentation (WAC 173-557) 09/17/14
This is SEPA documentation for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010
Adopted rule language (WAC 173-557) 01/27/15
This is adopted rule language for WAC 173-557 Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer.
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