Reservoir · Nebraska · United States · BOR RISE
Hugh Butler Lake and Red Willow Dam
39.8% full
Capacity
46.6 hm³
Volume stored
19 hm³
Coordinates
40.358°N, 100.667°W
Last updated
2026-07-28
Current fill
39.8%vs 7 days ago
0.0%stable
vs 1 year ago
-2.0%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. 40.358, -100.667 · Open in Google Maps
About Hugh Butler Lake and Red Willow Dam
As of July 28, 2026, Hugh Butler Lake and Red Willow Dam is filled to 39.8% of its total capacity, holding roughly 19 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 (+0.0 pts), and it is 2.0 points below its level on the same date a year earlier.
Across the readings we hold for Hugh Butler Lake and Red Willow Dam — 1823 data points between July 31, 2021 and July 28, 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
- 39.8%
- Water stored
- 19 hm³
- Total capacity
- 47 hm³
- 7-day change
- No change
- Year-on-year
- ▼ 2.0 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 40.358°N, 100.667°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 39.8% | 19 |
| 27 Jul 2026 | 39.8% | 19 |
| 26 Jul 2026 | 39.9% | 19 |
| 25 Jul 2026 | 40.0% | 19 |
| 24 Jul 2026 | 39.8% | 19 |
| 23 Jul 2026 | 39.8% | 19 |
| 22 Jul 2026 | 40.0% | 19 |
| 21 Jul 2026 | 40.1% | 19 |
| 20 Jul 2026 | 40.2% | 19 |
| 19 Jul 2026 | 40.5% | 19 |
| 18 Jul 2026 | 40.5% | 19 |
| 17 Jul 2026 | 40.4% | 19 |
Frequently asked questions
What is the current water level of Hugh Butler Lake and Red Willow Dam?
As of July 28, 2026, Hugh Butler Lake and Red Willow Dam is at 39.8% of its capacity, holding approximately 19 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Hugh Butler Lake and Red Willow Dam reservoir full?
No. As of July 28, 2026, Hugh Butler Lake and Red Willow Dam is low at 39.8% of its capacity, so it is not full.
Is the water level at Hugh Butler Lake and Red Willow Dam rising or falling?
The level at Hugh Butler Lake and Red Willow Dam has been broadly stable over the latest week on record (0.0 points).
How much water can Hugh Butler Lake and Red Willow Dam hold?
Hugh Butler Lake and Red Willow Dam has a total capacity of 47 hm³.
Where is Hugh Butler Lake and Red Willow Dam reservoir located?
Hugh Butler Lake and Red Willow Dam is located in Nebraska, United States, within the Nebraska basin (coordinates 40.358°N, 100.667°W).
What is Hugh Butler Lake and Red Willow Dam used for?
Hugh Butler Lake and Red Willow Dam is used primarily for multiple purposes, and is managed by BOR.