Reservoir · Idaho · United States · BOR RISE
Palisades Reservoir
Palisades Reservoir, Dam, and Powerplant
9.3% full
Capacity
1,728.11 hm³
Volume stored
160 hm³
Coordinates
43.331°N, 111.206°W
Last updated
2026-09-30
Current fill
9.3%vs 7 days ago
-0.3%losing
vs 1 year ago
+2.4%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: 2026-09-30.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.331, -111.206 · Open in Google Maps
About Palisades Reservoir
As of September 30, 2026, Palisades Reservoir is filled to 9.3% of its total capacity, holding roughly 160 hm³ of water out of a maximum 1,728 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has held broadly steady (-0.3 pts), and it is 2.4 points above its level on the same date a year earlier.
Across the readings we hold for Palisades Reservoir — 2186 data points between October 2, 2021 and September 30, 2026 — the level has ranged from a low of 3.9% (October 12, 2021) to a high of 85.5% (June 17, 2024). On average the reservoir is fullest around June and at its lowest around October.
It is operated by BOR primarily for multiple purposes. It lies within the Idaho basin at 43.331°N, 111.206°W.
Key facts
- Current fill level
- 9.3%
- Water stored
- 160 hm³
- Total capacity
- 1,728 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▲ 2.4 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 43.331°N, 111.206°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 9.3% | 160 |
| 29 Sep 2026 | 9.4% | 162 |
| 28 Sep 2026 | 9.4% | 163 |
| 27 Sep 2026 | 9.5% | 164 |
| 26 Sep 2026 | 9.5% | 165 |
| 25 Sep 2026 | 9.6% | 166 |
| 24 Sep 2026 | 9.6% | 166 |
| 23 Sep 2026 | 9.6% | 166 |
| 22 Sep 2026 | 9.5% | 165 |
| 21 Sep 2026 | 9.5% | 164 |
| 20 Sep 2026 | 9.5% | 164 |
| 19 Sep 2026 | 9.4% | 163 |