Reservoir · Nebraska · United States · BOR RISE
Merritt Reservoir
Merritt Reservoir and Dam
58.0% full
Capacity
91.88 hm³
Volume stored
53 hm³
Coordinates
42.635°N, 100.872°W
Last updated
2026-09-09
Current fill
58.0%vs 7 days ago
-2.2%losing
vs 1 year ago
-8.4%year-over-year
7-day trend
↓falling
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. 42.635, -100.872 · Open in Google Maps
About Merritt Reservoir
As of September 9, 2026, Merritt Reservoir is filled to 58.0% of its total capacity, holding roughly 53 hm³ of water out of a maximum 92 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 2.2 percentage points, and it is 8.4 points below its level on the same date a year earlier.
Across the readings we hold for Merritt Reservoir — 1949 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 44.5% (September 11, 2022) to a high of 89.7% (June 17, 2025). 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 42.635°N, 100.872°W.
Key facts
- Current fill level
- 58.0%
- Water stored
- 53 hm³
- Total capacity
- 92 hm³
- 7-day change
- ▼ 2.2 pts
- Year-on-year
- ▼ 8.4 pts
- Primary use
- Multipurpose
- River basin
- Nebraska
- Operator
- BOR
- Coordinates
- 42.635°N, 100.872°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 58.0% | 53 |
| 8 Sep 2026 | 58.6% | 54 |
| 7 Sep 2026 | 59.0% | 54 |
| 6 Sep 2026 | 59.3% | 55 |
| 5 Sep 2026 | 59.4% | 55 |
| 4 Sep 2026 | 59.4% | 55 |
| 3 Sep 2026 | 59.7% | 55 |
| 2 Sep 2026 | 60.2% | 55 |
| 1 Sep 2026 | 60.6% | 56 |
| 31 Aug 2026 | 61.2% | 56 |
| 30 Aug 2026 | 61.8% | 57 |
| 29 Aug 2026 | 62.3% | 57 |