LakeLevelIs Heart Butte Reservoir low right now?
Heart Butte Reservoir was at 2,057.65 ft on October 10, 2026, 6.85 ft below its full pool of 2,064.5 ft. That is 3.08 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
Heart Butte Reservoir on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 2,057.62 | +0.01 | −6.9 |
| Oct 9 | 2,057.61 | ±0.00 | −6.9 |
| Oct 8 | 2,057.61 | ±0.00 | −6.9 |
| Oct 7 | 2,057.61 | −0.01 | −6.9 |
| Oct 6 | 2,057.62 | +0.01 | −6.9 |
| Oct 5 | 2,057.61 | ±0.00 | −6.9 |
| Oct 4 | 2,057.61 | ±0.00 | −6.9 |
| Oct 3 | 2,057.61 | +0.01 | −6.9 |
| Oct 2 | 2,057.60 | ±0.00 | −6.9 |
| Oct 1 | 2,057.60 | ±0.00 | −6.9 |
| Sep 30 | 2,057.60 | +0.01 | −6.9 |
| Sep 29 | 2,057.59 | +0.04 | −6.9 |
| Sep 28 | 2,057.55 | +0.02 | −6.9 |
| Sep 27 | 2,057.53 | +0.02 | −7.0 |
About Heart Butte Reservoir
- Full pool
- 2,064.5 ft (Top of Conservation)
- 10-year range
- 2,056.3 ft (October 12, 2021) to 2,078.6 ft (March 26, 2019)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDM district, HEBU
- Datum
- LOCAL
Lakes near Heart Butte Reservoir
- Dickinson LakeNorth Dakota · 52 mi 2,417.4 ft −0.1 wkNormal for this time of year
- Shadehill ReservoirSouth Dakota · 61 mi 2,265.4 ft −0.2 wkNormal for this time of year
- Lake SakakaweaNorth Dakota · 65 mi 1,824.3 ft −0.1 wkLower than usual for this time of year
- Lake AudubonNorth Dakota · 75 mi 1,846.5 ft −0.0 wkHigher than usual for this time of year
- Bowman-Haley ReservoirNorth Dakota · 81 mi 2,748.6 ft −0.1 wkLower than usual for this time of year
- Lake DarlingNorth Dakota · 129 mi 1,596.6 ft −0.1 wkAt full pool
Questions
Is Heart Butte Reservoir low right now?
Heart Butte Reservoir was at 2,057.65 ft on October 10, 2026, 6.85 ft below its full pool of 2,064.5 ft. That is 3.08 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
What is full pool for Heart Butte Reservoir?
Full pool (Top of Conservation) is 2,064.5 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 Heart Butte 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, HEBU). Readings are provisional and can be revised.