LakeLevelIs Clark Canyon Reservoir low right now?
Clark Canyon Reservoir was at 5,516.06 ft on October 10, 2026, 30.04 ft below its full pool of 5,546.1 ft. That is 12.12 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.07 ft a day.
Clark Canyon Reservoir on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 5,516.09 | +0.06 | −30.0 |
| Oct 9 | 5,516.03 | +0.09 | −30.1 |
| Oct 8 | 5,515.94 | +0.07 | −30.2 |
| Oct 7 | 5,515.87 | +0.06 | −30.2 |
| Oct 6 | 5,515.81 | +0.07 | −30.3 |
| Oct 5 | 5,515.74 | +0.07 | −30.4 |
| Oct 4 | 5,515.67 | +0.07 | −30.4 |
| Oct 3 | 5,515.60 | +0.07 | −30.5 |
| Oct 2 | 5,515.53 | +0.07 | −30.6 |
| Oct 1 | 5,515.46 | +0.07 | −30.6 |
| Sep 30 | 5,515.39 | +0.07 | −30.7 |
| Sep 29 | 5,515.32 | +0.06 | −30.8 |
| Sep 28 | 5,515.26 | +0.07 | −30.8 |
| Sep 27 | 5,515.19 | +0.07 | −30.9 |
About Clark Canyon Reservoir
- Full pool
- 5,546.1 ft (Top of Conservation)
- 10-year range
- 5,512.0 ft (September 5, 2022) to 5,551.0 ft (June 26, 2018)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDM district, CLCA
- Datum
- LOCAL
Lakes near Clark Canyon Reservoir
- Lima ReservoirMontana · 34 mi 6,567.0 ft +0.1 wkNormal for this time of year
- Hebgen LakeMontana · 75 mi 6,530.0 ft −0.3 wkLatest reading
- Henrys Lake Dm Henrys FkIdaho · 79 mi 12.8 ft −0.0 wkLower than usual for this time of year
- Mud LakeIdaho · 81 mi 4,780.9 ft −0.1 wkNormal for this time of year
- Island Park ReservoirIdaho · 82 mi 6,279.1 ft +1.9 wkLower than usual for this time of year
- MACKAY ReservoirIdaho · 83 mi 6,024.4 ft −2.2 wkNormal for this time of year
Questions
Is Clark Canyon Reservoir low right now?
Clark Canyon Reservoir was at 5,516.06 ft on October 10, 2026, 30.04 ft below its full pool of 5,546.1 ft. That is 12.12 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.07 ft a day.
What is full pool for Clark Canyon Reservoir?
Full pool (Top of Conservation) is 5,546.1 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Clark Canyon Reservoir level updated?
The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.
Where does this data come from?
U.S. Army Corps of Engineers (NWDM district, CLCA). Readings are provisional and can be revised.