Reservoir · Utah · United States · BOR RISE
Joes Valley Reservoir
Joes Valley Reservoir and Dam
34.7% full
Capacity
75.91 hm³
Volume stored
26 hm³
Coordinates
39.290°N, 111.279°W
Last updated
2026-10-07
Current fill
34.7%vs 7 days ago
-0.7%losing
vs 1 year ago
-32.9%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: 2026-10-07.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 39.290, -111.279 · Open in Google Maps
About Joes Valley Reservoir
As of October 7, 2026, Joes Valley Reservoir is filled to 34.7% of its total capacity, holding roughly 26 hm³ of water out of a maximum 76 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 32.9 points below its level on the same date a year earlier.
Across the readings we hold for Joes Valley Reservoir — 1822 data points between October 10, 2021 and October 7, 2026 — the level has ranged from a low of 34.1% (October 13, 2021) to a high of 103.2% (June 19, 2023). On average the reservoir is fullest around June and at its lowest around November.
It is operated by BOR primarily for multiple purposes. It lies within the Utah basin at 39.290°N, 111.279°W.
Key facts
- Current fill level
- 34.7%
- Water stored
- 26 hm³
- Total capacity
- 76 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 32.9 pts
- Primary use
- Multipurpose
- River basin
- Utah
- Operator
- BOR
- Coordinates
- 39.290°N, 111.279°W
- Last updated
- October 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Oct 2026 | 34.7% | 26 |
| 6 Oct 2026 | 34.8% | 26 |
| 4 Oct 2026 | 35.0% | 27 |
| 3 Oct 2026 | 35.1% | 27 |
| 2 Oct 2026 | 35.2% | 27 |
| 30 Sep 2026 | 35.4% | 27 |
| 29 Sep 2026 | 35.5% | 27 |
| 28 Sep 2026 | 35.4% | 27 |
| 27 Sep 2026 | 35.2% | 27 |
| 26 Sep 2026 | 35.3% | 27 |
| 25 Sep 2026 | 35.4% | 27 |
| 24 Sep 2026 | 35.5% | 27 |