Cass Lake
Cass Lake is managed by Minnesota DNR / Chippewa National Forest.
Lake Status
We don't have enough recent gauge readings to summarize Cass Lake's status yet. View the water level page for the latest published data.
Watershed drought conditions
Beltrami County, MN · surrounding county from lake location
Moderate Drought
Moderate drought is affecting the watershed.
Severity
Weekly trend
Improving
Compared with last week
Official drought
Yes
43.5% of the watershed is currently classified as official drought (D1+).
Expected impacts
- Stream inflows may run below normal
- Lake levels can decline faster between rain events
- Vegetation stress may increase over time
U.S. Drought Monitor · map date Sep 8, 2026. Updated weekly. droughtmonitor.unl.eduView drought map for Beltrami County, MN
Key Facts
Managing authority
Waterbody / project type
Why the level can change
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Current data source
Managing authority: Minnesota DNR / Chippewa National Forest
Observation source used by Lake Insights: Not published
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
General education
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
Common questions about Cass Lake
- Who manages Cass Lake?
- Cass Lake is managed by Minnesota DNR / Chippewa National Forest. Lake Insights reports published gauge readings; it does not operate the waterbody.