Reservoir · Nebraska · United States · BOR RISE
Harry Strunk Lake
Harry Strunk Lake and Medicine Creek Dam
44.3% full
Capacity
44.04 hm³
Volume stored
20 hm³
Coordinates
40.378°N, 100.217°W
Last updated
2026-09-09
Current fill
44.3%vs 7 days ago
+0.2%gaining
vs 1 year ago
-11.9%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. 40.378, -100.217 · Open in Google Maps
About Harry Strunk Lake
As of September 9, 2026, Harry Strunk Lake is filled to 44.3% of its total capacity, holding roughly 20 hm³ of water out of a maximum 44 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.2 pts), and it is 11.9 points below its level on the same date a year earlier.
Across the readings we hold for Harry Strunk Lake — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 36.0% (September 9, 2022) to a high of 102.2% (April 27, 2025). On average the reservoir is fullest around May and at its lowest around September.
It is operated by BOR primarily for multiple purposes. It lies within the Nebraska basin at 40.378°N, 100.217°W.
Key facts
- Current fill level
- 44.3%
- Water stored
- 20 hm³
- Total capacity
- 44 hm³
- 7-day change
- ▲ 0.2 pts
- Year-on-year
- ▼ 11.9 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 40.378°N, 100.217°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 44.3% | 20 |
| 8 Sep 2026 | 44.2% | 19 |
| 7 Sep 2026 | 43.8% | 19 |
| 6 Sep 2026 | 43.7% | 19 |
| 5 Sep 2026 | 43.5% | 19 |
| 4 Sep 2026 | 43.6% | 19 |
| 3 Sep 2026 | 43.5% | 19 |
| 2 Sep 2026 | 44.1% | 19 |
| 1 Sep 2026 | 45.2% | 20 |
| 31 Aug 2026 | 46.7% | 21 |
| 30 Aug 2026 | 47.5% | 21 |
| 29 Aug 2026 | 48.0% | 21 |