Reservoir · Utah · United States · BOR RISE
Flaming Gorge Reservoir
Flaming Gorge Reservoir Dam and Powerplant
67.5% full
Capacity
4,673.54 hm³
Volume stored
3153 hm³
Coordinates
40.978°N, 109.573°W
Last updated
2026-09-09
Current fill
67.5%vs 7 days ago
-0.6%losing
vs 1 year ago
-12.7%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: 2026-09-09.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 40.978, -109.573 · Open in Google Maps
About Flaming Gorge Reservoir
As of September 9, 2026, Flaming Gorge Reservoir is filled to 67.5% of its total capacity, holding roughly 3,153 hm³ of water out of a maximum 4,674 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (-0.6 pts), and it is 12.7 points below its level on the same date a year earlier.
Across the readings we hold for Flaming Gorge Reservoir — 1824 data points between September 12, 2021 and September 9, 2026 — the level has ranged from a low of 64.7% (March 4, 2023) to a high of 87.8% (July 19, 2023). On average the reservoir is fullest around July and at its lowest around February.
It is operated by BOR primarily for multiple purposes. It lies within the Utah basin at 40.978°N, 109.573°W.
Key facts
- Current fill level
- 67.5%
- Water stored
- 3,153 hm³
- Total capacity
- 4,674 hm³
- 7-day change
- ▼ 0.6 pts
- Year-on-year
- ▼ 12.7 pts
- Primary use
- Multipurpose
- River basin
- Utah
- Operator
- BOR
- Coordinates
- 40.978°N, 109.573°W
- Last updated
- September 9, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 9 Sep 2026 | 67.5% | 3,153 |
| 8 Sep 2026 | 67.6% | 3,157 |
| 7 Sep 2026 | 67.6% | 3,161 |
| 6 Sep 2026 | 67.7% | 3,164 |
| 5 Sep 2026 | 67.8% | 3,169 |
| 4 Sep 2026 | 67.9% | 3,173 |
| 3 Sep 2026 | 68.0% | 3,177 |
| 2 Sep 2026 | 68.1% | 3,181 |
| 1 Sep 2026 | 68.2% | 3,186 |
| 31 Aug 2026 | 68.2% | 3,188 |
| 30 Aug 2026 | 68.3% | 3,192 |
| 29 Aug 2026 | 68.4% | 3,194 |