Reservoir · Nebraska · United States · BOR RISE
Box Butte Reservoir and Dam
25.7% full
Capacity
38.31 hm³
Volume stored
10 hm³
Coordinates
42.458°N, 103.067°W
Last updated
2026-07-28
Current fill
25.7%vs 7 days ago
-0.7%losing
vs 1 year ago
-15.2%year-over-year
7-day trend
→stable
Data source: BOR RISE — US Bureau of Reclamation — daily reservoir storage volume. Capacity is the design (normal full-pool) capacity from the US National Inventory of Dams (NID); fill % = current volume ÷ design capacity. Last reading: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.458, -103.067 · Open in Google Maps
About Box Butte Reservoir and Dam
As of July 28, 2026, Box Butte Reservoir and Dam is filled to 25.7% of its total capacity, holding roughly 10 hm³ of water out of a maximum 38 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it is 15.2 points below its level on the same date a year earlier.
Across the readings we hold for Box Butte Reservoir and Dam — 1942 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 18.8% (September 4, 2025) to a high of 67.3% (June 2, 2024). On average the reservoir is fullest around June and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Nebraska basin at 42.458°N, 103.067°W.
Key facts
- Current fill level
- 25.7%
- Water stored
- 10 hm³
- Total capacity
- 38 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 15.2 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 42.458°N, 103.067°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 25.7% | 10 |
| 27 Jul 2026 | 26.4% | 10 |
| 26 Jul 2026 | 27.4% | 11 |
| 25 Jul 2026 | 28.3% | 11 |
| 24 Jul 2026 | 28.9% | 11 |
| 23 Jul 2026 | 29.2% | 11 |
| 22 Jul 2026 | 29.3% | 11 |
| 21 Jul 2026 | 29.3% | 11 |
| 20 Jul 2026 | 29.9% | 11 |
| 19 Jul 2026 | 31.2% | 12 |
| 18 Jul 2026 | 31.8% | 12 |
| 17 Jul 2026 | 32.4% | 12 |
Frequently asked questions
What is the current water level of Box Butte Reservoir and Dam?
As of July 28, 2026, Box Butte Reservoir and Dam is at 25.7% of its capacity, holding approximately 10 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Box Butte Reservoir and Dam reservoir full?
No. As of July 28, 2026, Box Butte Reservoir and Dam is low at 25.7% of its capacity, so it is not full.
Is the water level at Box Butte Reservoir and Dam rising or falling?
The level at Box Butte Reservoir and Dam has been broadly stable over the latest week on record (-0.7 points).
How much water can Box Butte Reservoir and Dam hold?
Box Butte Reservoir and Dam has a total capacity of 38 hm³.
Where is Box Butte Reservoir and Dam reservoir located?
Box Butte Reservoir and Dam is located in Nebraska, United States, within the Nebraska basin (coordinates 42.458°N, 103.067°W).
What is Box Butte Reservoir and Dam used for?
Box Butte Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.