Reservoir · Idaho · United States · BOR RISE
Payette Lake and Payette Lake Dam (PAY)
76.8% full
Capacity
50.57 hm³
Volume stored
39 hm³
Coordinates
44.912°N, 116.119°W
Last updated
2026-07-28
Current fill
76.8%vs 7 days ago
-0.3%losing
vs 1 year ago
-9.2%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: 2026-07-28.
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 and Payette Lake Dam (PAY)
As of July 28, 2026, Payette Lake and Payette Lake Dam (PAY) is filled to 76.8% of its total capacity, holding roughly 39 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 held broadly steady (-0.3 pts), and it is 9.2 points below its level on the same date a year earlier.
Across the readings we hold for Payette Lake and Payette Lake Dam (PAY) — 2190 data points between July 31, 2021 and July 28, 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
- 76.8%
- Water stored
- 39 hm³
- Total capacity
- 51 hm³
- 7-day change
- ▼ 0.3 pts
- Year-on-year
- ▼ 9.2 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 44.912°N, 116.119°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 76.8% | 39 |
| 27 Jul 2026 | 77.1% | 39 |
| 26 Jul 2026 | 77.6% | 39 |
| 25 Jul 2026 | 77.8% | 39 |
| 24 Jul 2026 | 78.3% | 40 |
| 23 Jul 2026 | 79.0% | 40 |
| 22 Jul 2026 | 78.8% | 40 |
| 21 Jul 2026 | 79.0% | 40 |
| 20 Jul 2026 | 79.3% | 40 |
| 19 Jul 2026 | 79.6% | 40 |
| 18 Jul 2026 | 80.0% | 40 |
| 17 Jul 2026 | 80.2% | 41 |
Frequently asked questions
What is the current water level of Payette Lake and Payette Lake Dam (PAY)?
As of July 28, 2026, Payette Lake and Payette Lake Dam (PAY) is at 76.8% of its capacity, holding approximately 39 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Payette Lake and Payette Lake Dam (PAY) reservoir full?
No. As of July 28, 2026, Payette Lake and Payette Lake Dam (PAY) is within its normal operating range at 76.8% of its capacity, so it is not full.
Is the water level at Payette Lake and Payette Lake Dam (PAY) rising or falling?
The level at Payette Lake and Payette Lake Dam (PAY) has been broadly stable over the latest week on record (-0.3 points).
How much water can Payette Lake and Payette Lake Dam (PAY) hold?
Payette Lake and Payette Lake Dam (PAY) has a total capacity of 51 hm³.
Where is Payette Lake and Payette Lake Dam (PAY) reservoir located?
Payette Lake and Payette Lake Dam (PAY) is located in Idaho, United States, within the Idaho basin (coordinates 44.912°N, 116.119°W).
What is Payette Lake and Payette Lake Dam (PAY) used for?
Payette Lake and Payette Lake Dam (PAY) is used primarily for multiple purposes, and is managed by BOR.

