Reservoir · Utah · United States · BOR RISE
Hyrum Reservoir and Dam
36.7% full
Capacity
23.05 hm³
Volume stored
9 hm³
Coordinates
41.621°N, 111.861°W
Last updated
2026-07-28
Current fill
36.7%vs 7 days ago
-0.7%losing
vs 1 year ago
-35.2%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. 41.621, -111.861 · Open in Google Maps
About Hyrum Reservoir and Dam
As of July 28, 2026, Hyrum Reservoir and Dam is filled to 36.7% of its total capacity, holding roughly 9 hm³ of water out of a maximum 23 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 35.2 points below its level on the same date a year earlier.
Across the readings we hold for Hyrum Reservoir and Dam — 1824 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 10.9% (September 17, 2021) to a high of 79.6% (June 12, 2023). 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 Utah basin at 41.621°N, 111.861°W.
Key facts
- Current fill level
- 36.7%
- Water stored
- 9 hm³
- Total capacity
- 23 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 35.2 pts
- Primary use
- Multipurpose
- River basin
- Utah
- Operator
- BOR
- Coordinates
- 41.621°N, 111.861°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 36.7% | 8 |
| 27 Jul 2026 | 37.4% | 9 |
| 26 Jul 2026 | 38.0% | 9 |
| 25 Jul 2026 | 38.7% | 9 |
| 24 Jul 2026 | 39.3% | 9 |
| 23 Jul 2026 | 40.0% | 9 |
| 22 Jul 2026 | 40.7% | 9 |
| 21 Jul 2026 | 41.3% | 10 |
| 20 Jul 2026 | 42.0% | 10 |
| 19 Jul 2026 | 42.6% | 10 |
| 18 Jul 2026 | 43.3% | 10 |
| 17 Jul 2026 | 44.0% | 10 |
Frequently asked questions
What is the current water level of Hyrum Reservoir and Dam?
As of July 28, 2026, Hyrum Reservoir and Dam is at 36.7% of its capacity, holding approximately 9 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Hyrum Reservoir and Dam reservoir full?
No. As of July 28, 2026, Hyrum Reservoir and Dam is low at 36.7% of its capacity, so it is not full.
Is the water level at Hyrum Reservoir and Dam rising or falling?
The level at Hyrum Reservoir and Dam has been broadly stable over the latest week on record (-0.7 points).
How much water can Hyrum Reservoir and Dam hold?
Hyrum Reservoir and Dam has a total capacity of 23 hm³.
Where is Hyrum Reservoir and Dam reservoir located?
Hyrum Reservoir and Dam is located in Utah, United States, within the Utah basin (coordinates 41.621°N, 111.861°W).
What is Hyrum Reservoir and Dam used for?
Hyrum Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.