Translation:

Water Table

Water Levels and River Flows

Last updated: Sunday, August 7, 2022 as of 1:42 AM

St Louis River Basin
  Current Flow (cfs) Reservoir Current Elevation Summer Target Current Flow (cfs)
Alden Lake 278 Island Lake 1368.95 1368.81 460
Knife Falls Dam 1604 Boulder Lake 1390.72 1390.55 43
Scanlon Dam 1510 Fish Lake 1351.62 1351.72 11
Thomson Dam 389 Rice Lake 1375.37 1375.57 3
    Whiteface 1453.30 1452.92 109
Total discharge for St. Louis River from the Reservoirs 582      
Mississippi River Basin
  Current Flow (cfs)
Prairie River Dam 94
Pillager Dam 742
Sylvan Dam 811
Blanchard Dam 5053
Kawishiwi River Basin
  Current Elevation Current Flow (cfs)
Birch Lake Reservoir 1418.90 764
White Iron Lake
Temporarily out of service
Garden Lake Reservoir 1385.44  
Kawishiwi Falls   742

*Please note: Current flow for the generating stations includes the total flow through the dam plus the flow through the turbines. The two exceptions are the Thomson Dam and Prairie River Dam which display the flow through the dam into their bypass reaches. Due to the unpredictable nature of stream flow, reservoir elevations, and periodic technical difficulties, Minnesota Power cannot guarantee the accuracy of the information displayed.

24 Hour Hotline: 1-800-582-8529

e-mail contact


2022 Thomson Dam Recreational Releases

  • July 16-17
  • July 30-31 (Carlton Days Weekend)
  • August 13-14
  • August 27-28

Releases are expected to be approximately 700 cfs.
For the hours of 10 a.m. to 8 p.m.