Research & Data

Ecology provides the high-quality science that is microscope iconthe 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.

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Research & Data

Ecology provides the high-quality science that is microscope iconthe 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.

See more about this collection...
Data model: rTemp
A simple model written in Excel/VBA to predict a time-series of water temperatures in response to heat fluxes determined by meteorological data, groundwater inflow, hyporheic exchange, and conduction
https://ecology.wa.gov/Asset-Collections/Link-Assets/Research-Data/rTemp-zip
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
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WQ/WAC-173-201A/CR-101-Form-(WAC-173-201A)-08-16-2017
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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Rulemaking-Announcement-(WAC-173-557)-01-21-14
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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Rulemaking-Proposal-(WAC-173-557)-09-17-14
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
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Rulemaking-Adoption-Notice-(WAC-173-557)-01-27-15
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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Rulemaking-proposed-language-(WAC-173-557)-09-17-1
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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Rulemaking-proposed-language-(WAC-173-555)-09-17-1
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
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/SEPA-documentation-(WAC-173-557)-09-17-14
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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Adopted-rule-language-(WAC-173-557)-01-27-15
Adopted rule language (WAC 173-555) 01/27/15
This is adopted rule language for WAC 173-555 Water Resources Program in the Little Spokane River basin, WRIA 55.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Adopted-rule-language-(WAC-173-555)-01-27-15
Order on Petition for Declaratory Judgment (WAC 173-557; 173-555) 01/27/15
Order on Petition for Declaratory Judgment Regarding the Validity of an Agency Rule, and Petition for Judicial Review of Agency Action Denying Petition to Amend Agency Rule regarding rulemaking for WAC 173-557 and 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/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Order-on-Petition-for-Declaratory-Judgment-(WAC-1
Petition for Declaratory Judgment and Judicial Review (WAC 173-557; 173-555) 01/27/15
Petition for Declaratory Judgment and Judicial Review for Chapter 173-557 WAC Water Resources Management Program (WRMP) for the Spokane River and Spokane Valley Rathdrum Prairie (SVRP) Aquifer and amendment to WAC 173-555-010 rulemaking.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Petition-for-Declaratory-Judgment-and-Judicial-Rev
Petition to Amend the Instream Flow Rule(WAC 173-557; 173-555) 01/27/15
Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, 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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Petition-to-Amend-the-Instream-Flow-Rule-(WAC-173
Ecology's response to Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, (WAC 173-557; 173-555) 01/27/15
Ecology's response to Petition to Amend the Instream Flow Rule for the Spokane River & Spokane Valley Rathdrum Prairie (SVRP) Aquifer, 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.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-557_-13-11/Ecology-s-response-to-Petition-to-Amend-the-Instre
Rulemaking Announcement (WAC 173-526) 03/02/05
This is a rulemaking announcement (CR-101) for WAC 173- Title; WAC XXX-XXX Title.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-526_-05-04/Rulemaking-Announcement-(WAC-173-526)-03-02-05
Rulemaking Announcement (WAC 173-166) 08/09/17
This is a rulemaking announcement (CR-101) for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/173-166-WAC/Rulemaking-Announcement-(WAC-173-166)-08-09-17
Preliminary draft language (WAC 173-166) 09/01/17
This is Preliminary draft language for WAC 173-166 Emergency Drought Relief
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/173-166-WAC/Preliminary-draft-language-(173-166-WAC)-09-01-17
Rulemaking Proposal (WAC 173-526) 04/19/10
This is a rulemaking proposal (CR-102) for WAC 173-526 Chapter 173-526 WAC - Cowlitz Water Resources Management Program - WRIA 26
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-526_-05-04/Rulemaking-Proposal-(WAC-173-526)-04-19-10
Rulemaking Proposal Continuance (WAC 173-526) 06/16/10
This is a rulemaking proposal Continuance( CR-102) for WAC 173-526 Title.
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-526_-05-04/Rulemaking-Proposal-Continuance-(WAC-173-526)-06-1
Rulemaking Announcement (WAC 173-503A; 02/24/04
This is a rulemaking announcement (CR-101) for WAC 173-503A Instream Resources Protection Program Lower and Upper Skagit Water Resources Inventory Area (WRIAs 3 and 4)
https://ecology.wa.gov/Asset-Collections/Doc-Assets/Rulemaking/WR/WAC-173-503A_-05-02/Rulemaking-Announcement-(WAC-173-503A;-02-24-04
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