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 Graphics & Text

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, River Data

Multiple selections allowed for each.
The year following the site indicates earliest data available.
To view 10 Year Averages, select from the listed "10 Year Average" parameters in the River Data menu (multiple allowed) and select 10 Year Average Range (one allowed).

Set Date Range

Remove dates to automatically scale graph.

Select 10 Year Average Range

10 Year Average Range applied to selections for 10 Year River Data.

Customize Graph

Query Notes
  • DART River Environment Metadata & Glossary
  • 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".