Lake levels
Lake Frances Reservoir, MT
- water level
- 3811.04 ft
- 7-day change
- +0.05 ft
- 30-day change
- +0.11 ft
- 1-year change
- +4.02 ft
- Record high
- 3815.91 ft
Reading as of 2022-02-23 | the U.S. Bureau of Reclamation
- Since yesterday
- +0.00 ft
- 7-day change
- +0.05 ft
- 30-day change
- +0.11 ft
- 1-year change
- +4.02 ft
- Record high
- 3815.91 ft
In brief
Lake Frances Reservoir's last reported level was 3,811.04 feet, on Feb 23, 2022.
Source: U.S. Bureau of Reclamation
Lake level timeline
Records and averages
| Current level | 3811.04 ft |
|---|---|
| Record high | 3815.91 ft (2019-05-26) |
| Record low | 3800.00 ft (2016-10-14) |
| Average of all readings | 3807.24 ft |
| Data span | 6 years (1,990 readings) |
Level schematic
Frequently asked questions
Is Lake Frances Reservoir full right now?
As of 2022-02-23, Lake Frances Reservoir sits at 3811.04 ft, which is high for this time of year.
What is the water level at Lake Frances Reservoir on record?
This gauge stopped reporting on 2022-02-23; its final reading was 3811.04 ft, sourced from the U.S. Bureau of Reclamation. It is kept here for the historical record and is not a current level.
What is the highest Lake Frances Reservoir has ever been?
The highest level for Lake Frances Reservoir in our records is 3815.91 ft on 2019-05-26. The lowest is 3800.00 ft on 2016-10-14. Our record covers about 6 years of readings.
Is Lake Frances Reservoir low for this time of year?
Compared with every February in our records, the current level is higher than 96% of them, which we classify as high for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Lake Frances Reservoir changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Lake Frances Reservoir has risen 0.11 ft over the past 30 days. For the operational reason on any given week, check the U.S. Bureau of Reclamation directly.
How much has Lake Frances Reservoir changed over the past year?
Lake Frances Reservoir is +4.02 ft compared with this date last year (3811.04 ft today). The full-history chart above covers 6 years, with a record high of 3815.91 ft and a record low of 3800.00 ft.
Download and cite
Download the full record
lake-frances-reservoir-mt-water-level-history.csv
How to cite
MyWaterLevel, “Lake Frances Reservoir water level, 2015 to 2022,” data from U.S. Bureau of Reclamation, https://mywaterlevel.com/lake/mt/lake-frances-reservoir/, accessed Oct 13, 2026.
Source: the U.S. Bureau of Reclamation. All Montana lake levels. Readings are provisional and may be revised. About our data and methods.