Reservoir · Idaho · United States · BOR RISE
Payette Lake
Payette Lake and Payette Lake Dam
44.4% full
Capacity
50.57 hm³
Volume stored
23 hm³
Coordinates
44.912°N, 116.119°W
Last updated
2026-09-30
Current fill
44.4%vs 7 days ago
-11.9%losing
vs 1 year ago
-1.2%year-over-year
7-day trend
↓falling
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. 44.912, -116.119 · Open in Google Maps
About Payette Lake
As of September 30, 2026, Payette Lake is filled to 44.4% of its total capacity, holding roughly 23 hm³ of water out of a maximum 51 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 11.9 percentage points, and it is 1.2 points below its level on the same date a year earlier.
Across the readings we hold for Payette Lake — 2189 data points between October 3, 2021 and September 30, 2026 — the level has ranged from a low of 11.6% (November 29, 2022) to a high of 86.2% (June 23, 2022). 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 Idaho basin at 44.912°N, 116.119°W.
Key facts
- Current fill level
- 44.4%
- Water stored
- 23 hm³
- Total capacity
- 51 hm³
- 7-day change
- ▼ 11.9 pts
- Year-on-year
- ▼ 1.2 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 44.912°N, 116.119°W
- Last updated
- September 30, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 30 Sep 2026 | 44.4% | 22 |
| 29 Sep 2026 | 46.0% | 23 |
| 28 Sep 2026 | 47.8% | 24 |
| 27 Sep 2026 | 49.5% | 25 |
| 26 Sep 2026 | 51.2% | 26 |
| 25 Sep 2026 | 52.9% | 27 |
| 24 Sep 2026 | 54.6% | 28 |
| 23 Sep 2026 | 56.3% | 28 |
| 22 Sep 2026 | 57.9% | 29 |
| 21 Sep 2026 | 59.5% | 30 |
| 20 Sep 2026 | 61.2% | 31 |
| 19 Sep 2026 | 62.7% | 32 |