LakeLevelIs Tiber Reservoir low right now?
Tiber Reservoir was at 2,987.51 ft on October 10, 2026, 5.49 ft below its full pool of 2,993.0 ft. That is 1.39 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.04 ft a day.
Tiber Reservoir on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 2,987.51 | −0.04 | −5.5 |
| Oct 9 | 2,987.55 | −0.05 | −5.4 |
| Oct 8 | 2,987.60 | −0.06 | −5.4 |
| Oct 7 | 2,987.66 | −0.05 | −5.3 |
| Oct 6 | 2,987.71 | −0.04 | −5.3 |
| Oct 5 | 2,987.75 | −0.03 | −5.3 |
| Oct 4 | 2,987.78 | −0.04 | −5.2 |
| Oct 3 | 2,987.82 | −0.06 | −5.2 |
| Oct 2 | 2,987.88 | −0.01 | −5.1 |
| Oct 1 | 2,987.89 | −0.07 | −5.1 |
| Sep 30 | 2,987.96 | −0.05 | −5.0 |
| Sep 29 | 2,988.01 | −0.04 | −5.0 |
| Sep 28 | 2,988.05 | −0.03 | −4.9 |
| Sep 27 | 2,988.08 | −0.02 | −4.9 |
About Tiber Reservoir
- Full pool
- 2,993.0 ft (Top of Conservation)
- 10-year range
- 2,977.8 ft (February 23, 2025) to 3,001.2 ft (July 1, 2019)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDM district, TIBR
- Datum
- LOCAL
Lakes near Tiber Reservoir
- Fresno ReservoirMontana · 57 mi 2,566.8 ft +0.1 wkNormal for this time of year
- Pishkun ReservoirMontana · 78 mi 4,346.0 ft ±0.0 wkLower than usual for this time of year
- Willow Creek ReservoirMontana · 81 mi 4,127.9 ft +1.0 wkNormal for this time of year
- Gibson ReservoirMontana · 91 mi 4,614.6 ft −2.4 wkNormal for this time of year
- Lake SherburneMontana · 116 mi 4,743.7 ft −1.4 wkNormal for this time of year
- Canyon Ferry LakeMontana · 119 mi 3,784.4 ft −0.4 wkNormal for this time of year
Questions
Is Tiber Reservoir low right now?
Tiber Reservoir was at 2,987.51 ft on October 10, 2026, 5.49 ft below its full pool of 2,993.0 ft. That is 1.39 ft above the typical level for October 10, within the normal range. Over the past week the lake has been falling about 0.04 ft a day.
What is full pool for Tiber Reservoir?
Full pool (Top of Conservation) is 2,993.0 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 Tiber 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, TIBR). Readings are provisional and can be revised.