River Flows, Water Temperatures and Total Dissolved Gas

Total Dissolved Gas Data

Detailed total dissolved gas data for the Rocky Reach and Rock Island projects can be found at the US Army Corps of Engineers, Columbia River Basin Water Management website

Rocky Reach Dam (Current Measures)

Total Flow
Water Temperature
River Elevation Directly Above Dam
(Range 703.0 ft to 707.0 ft)
River Elevation Directly Below Dam

Rocky Reach Dam (Averages Past 12 Hours)

Date / Time Total Flow River Elevation Directly Above Dam

Rock Island Dam (Current Measures)

Total Flow
Water Temperature
River Elevation Directly Above Dam
(Range 609.0 ft to 613.0 ft)
River Elevation Directly Below Dam

Rock Island Dam (Averages Past 12 Hours)

Date / Time Total Flow River Elevation Directly Above Dam

Lake Chelan Dam

Lake Level
Spill
Powerhouse Flow
River Elevation Directly Below Dam

Chelan River

Reach 1-3 Flow
Reach 4 Flow
Low Level Outlet Water Temperature
Water Temperature Directly Below Dam
Reach 4 Habitat Channel Temperature
Reach 4 Habitat Gage Height


2023 Chelan River Flow Monitoring - 2nd Quarter Reports
2023 Chelan River Temperature Monitoring Data - 2nd Quarter Reports

2023 Chelan River Flow Monitoring Data - July Reports 
2023 Chelan River Temperature Monitoring Data - July Reports


Lake Chelan Lake Level (Past 10 Days)