Reservoir · Nebraska · United States · BOR RISE
Hugh Butler Lake
Hugh Butler Lake and Red Willow Dam
38.4% full
Capacity
46.6 hm³
Volume stored
18 hm³
Coordinates
40.358°N, 100.667°W
Last updated
2026-09-09
Current fill
38.4%vs 7 days ago
-0.1%losing
vs 1 year ago
-0.6%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.358, -100.667 · Open in Google Maps
About Hugh Butler Lake
As of September 9, 2026, Hugh Butler Lake is filled to 38.4% of its total capacity, holding roughly 18 hm³ of water out of a maximum 47 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (-0.1 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Hugh Butler Lake — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 27.3% (October 7, 2022) to a high of 50.0% (June 4, 2024). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Nebraska basin at 40.358°N, 100.667°W.
Key facts
- Current fill level
- 38.4%
- Water stored
- 18 hm³
- Total capacity
- 47 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 0.6 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 40.358°N, 100.667°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 38.4% | 18 |
| 8 Sep 2026 | 38.5% | 18 |
| 7 Sep 2026 | 38.6% | 18 |
| 6 Sep 2026 | 38.6% | 18 |
| 5 Sep 2026 | 38.5% | 18 |
| 4 Sep 2026 | 38.3% | 18 |
| 3 Sep 2026 | 38.4% | 18 |
| 2 Sep 2026 | 38.5% | 18 |
| 1 Sep 2026 | 38.5% | 18 |
| 31 Aug 2026 | 38.8% | 18 |
| 30 Aug 2026 | 38.8% | 18 |
| 29 Aug 2026 | 38.9% | 18 |