Reservoir · Utah · United States · BOR RISE
Hyrum Reservoir
Hyrum Reservoir and Dam
14.4% full
Capacity
23.05 hm³
Volume stored
3 hm³
Vs month average
41% of normal
Coordinates
41.621°N, 111.861°W
Last updated
2026-10-26
Current fill
14.4%vs 7 days ago
+3.2 ppgaining
vs 1 year ago
-16.5 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
41%of normal
14.4% full on 2026-10-26, against an average of 34.8% for October across 6 years of readings (-20.4 points).
Drought Monitor at this site · 20 October 2026
D2severe drought
The ground at Hyrum Reservoir's coordinates falls inside the D2 area of the weekly U.S. Drought Monitor map. That describes local conditions — rainfall, soil moisture, streamflow — not the reservoir's storage. Utah drought figures →
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: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.621°N, 111.861°W · Open in Google Maps
About Hyrum Reservoir
As of October 26, 2026, Hyrum Reservoir is filled to 14.4% of its total capacity, holding 3.32 hm³ of water out of a maximum 23.05 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has risen by 3.2 percentage points, and it is 16.5 points below its level on the same date a year earlier.
Across the readings we hold for Hyrum Reservoir — 1823 data points between October 29, 2021 and October 26, 2026 — the level has ranged from a low of 0.8% (September 21, 2026) 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 is at 41.621°N, 111.861°W.
Key facts
- Current fill level
- 14.4% of total capacity
- Water stored
- 3.32 hm³
- Total capacity
- 23.05 hm³
- 7-day change
- ▲ 3.2 pp
- Year-on-year
- ▼ 16.5 pp
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 41.621°N, 111.861°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 14.4% | 3.32 |
| 24 Oct 2026 | 13.5% | 3.12 |
| 23 Oct 2026 | 13.1% | 3.01 |
| 22 Oct 2026 | 12.5% | 2.87 |
| 21 Oct 2026 | 12.0% | 2.76 |
| 20 Oct 2026 | 11.6% | 2.67 |
| 19 Oct 2026 | 11.2% | 2.58 |
| 18 Oct 2026 | 10.8% | 2.49 |
| 17 Oct 2026 | 10.4% | 2.39 |
| 16 Oct 2026 | 10.0% | 2.3 |
| 15 Oct 2026 | 9.6% | 2.21 |
| 14 Oct 2026 | 9.2% | 2.11 |