Reservoir · Utah · United States · BOR RISE
Causey Reservoir
Causey Reservoir and Dam
41.7% full
Capacity
9.71 hm³
Volume stored
4 hm³
Vs month average
119% of normal
Coordinates
41.298°N, 111.586°W
Last updated
2026-10-26
Current fill
41.7%vs 7 days ago
+2.4 ppgaining
vs 1 year ago
+6.5 ppyear-over-year
7-day trend
↑rising
Drought context
Storage vs October average
119%of normal
41.7% full on 2026-10-26, against an average of 35.0% for October across 6 years of readings (+6.7 points).
Drought Monitor at this site · 20 October 2026
D1moderate drought
The ground at Causey Reservoir's coordinates falls inside the D1 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. 41.298°N, 111.586°W · Open in Google Maps
About Causey Reservoir
As of October 26, 2026, Causey Reservoir is filled to 41.7% of its total capacity, holding 4.05 hm³ of water out of a maximum 9.71 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 2.4 percentage points, and it is 6.5 points above its level on the same date a year earlier.
Across the readings we hold for Causey Reservoir — 1824 data points between October 29, 2021 and October 26, 2026 — the level has ranged from a low of 25.5% (September 25, 2022) to a high of 92.7% (May 14, 2023). On average the reservoir is fullest around May and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It is at 41.298°N, 111.586°W.
Key facts
- Current fill level
- 41.7% of total capacity
- Water stored
- 4.05 hm³
- Total capacity
- 9.71 hm³
- 7-day change
- ▲ 2.4 pp
- Year-on-year
- ▲ 6.5 pp
- Primary use
- Multipurpose
- Operator
- BOR
- Coordinates
- 41.298°N, 111.586°W
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 41.7% | 4.05 |
| 25 Oct 2026 | 41.4% | 4.02 |
| 24 Oct 2026 | 41.0% | 3.98 |
| 23 Oct 2026 | 40.7% | 3.95 |
| 22 Oct 2026 | 40.3% | 3.91 |
| 21 Oct 2026 | 40.0% | 3.88 |
| 20 Oct 2026 | 39.6% | 3.85 |
| 19 Oct 2026 | 39.3% | 3.82 |
| 18 Oct 2026 | 38.9% | 3.78 |
| 17 Oct 2026 | 38.6% | 3.75 |
| 16 Oct 2026 | 38.3% | 3.72 |
| 15 Oct 2026 | 38.0% | 3.69 |