Reservoir · Utah · United States · BOR RISE
Steinaker Reservoir
Steinaker Reservoir and Dam
43.7% full
Capacity
47.09 hm³
Volume stored
21 hm³
Vs month average
136% of normal
Coordinates
40.515°N, 109.533°W
Last updated
2026-10-24
Current fill
43.7%vs 7 days ago
+10.4 ppgaining
vs 1 year ago
+28.6 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
136%of normal
43.7% full on 2026-10-24, against an average of 32.1% for October across 6 years of readings (+11.6 points).
Drought Monitor at this site · 20 October 2026
D0abnormally dry
The ground at Steinaker Reservoir's coordinates falls inside the D0 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: 2026-10-24.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.515°N, 109.533°W · Open in Google Maps
About Steinaker Reservoir
As of October 24, 2026, Steinaker Reservoir is filled to 43.7% of its total capacity, holding 20.56 hm³ of water out of a maximum 47.09 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has risen by 10.4 percentage points, and it is 28.6 points above its level on the same date a year earlier.
Across the readings we hold for Steinaker Reservoir — 1822 data points between October 29, 2021 and October 24, 2026 — the level has ranged from a low of 10.7% (October 29, 2021) to a high of 94.8% (June 4, 2023). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It is at 40.515°N, 109.533°W.
Key facts
- Current fill level
- 43.7% of total capacity
- Water stored
- 20.56 hm³
- Total capacity
- 47.09 hm³
- 7-day change
- ▲ 10.4 pp
- Year-on-year
- ▲ 28.6 pp
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 40.515°N, 109.533°W
- Last updated
- October 24, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 24 Oct 2026 | 43.7% | 20.56 |
| 23 Oct 2026 | 41.5% | 19.56 |
| 22 Oct 2026 | 39.9% | 18.79 |
| 21 Oct 2026 | 38.8% | 18.25 |
| 20 Oct 2026 | 37.5% | 17.68 |
| 19 Oct 2026 | 36.2% | 17.06 |
| 18 Oct 2026 | 34.8% | 16.39 |
| 17 Oct 2026 | 33.3% | 15.67 |
| 16 Oct 2026 | 31.6% | 14.89 |
| 15 Oct 2026 | 29.7% | 14 |
| 14 Oct 2026 | 27.6% | 12.98 |
| 13 Oct 2026 | 25.4% | 11.94 |