Data Alert: 3 August 2023 There was an error in data loading of daily averages that resulted in mixed reporting of Water Quality Monitoring (WQM) and scroll case water temperature at multiple locations. Daily average forebay water temperature data downloaded from DART between 15 June 2022 - 2 August 2023 were impacted; data may have included scroll case measurements. Please contact DART Team, if you have any questions. We apologize for the mixed reporting of daily average water temperature values.

DART River Environment Daily Data

Data Courtesy of U.S. Army Corps of Engineers, NWD and Grant County PUD and Chelan County PUD and Douglas County PUD

River Environment Queries

Select Output Format

Select Year, Site

The year following the site indicates earliest data available.

Set Date Range

Select Date Range Type 
Start Year
End Year
Displayed year values are determined by selections for: Year and Date Range Type.
Query Notes
  • DART River Environment Metadata & Glossary
  • The year following the project indicates earliest data available.
  • To request data spanning calendar year, select Year for the start year, select "Span Calendar Years" for Date Range Type, and enter Start Date and End Date for Date Range. Date Range years are determined by selections for Year and Date Range Type.
  • To generate the Data Link for querying results directly from scripts and automated processes: make all selections, check "Generate Query Result Link Only" next to the "Submit Query" button, and click "Submit Query".