Reservoir · Idaho · United States · BOR RISE
Little Wood River Reservoir and Dam (WOD)
58.0% full
Capacity
37 hm³
Volume stored
22 hm³
Coordinates
43.425°N, 114.027°W
Last updated
2026-07-28
Current fill
58.0%vs 7 days ago
-0.7%losing
vs 1 year ago
-27.9%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. 43.425, -114.027 · Open in Google Maps
About Little Wood River Reservoir and Dam (WOD)
As of July 28, 2026, Little Wood River Reservoir and Dam (WOD) is filled to 58.0% of its total capacity, holding roughly 22 hm³ of water out of a maximum 37 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 (-0.7 pts), and it is 27.9 points below its level on the same date a year earlier.
Across the readings we hold for Little Wood River Reservoir and Dam (WOD) — 2188 data points between July 31, 2021 and July 28, 2026 — the level has ranged from a low of 0.2% (August 15, 2021) to a high of 99.3% (July 1, 2023). 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 43.425°N, 114.027°W.
Key facts
- Current fill level
- 58.0%
- Water stored
- 22 hm³
- Total capacity
- 37 hm³
- 7-day change
- ▼ 0.7 pts
- Year-on-year
- ▼ 27.9 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 43.425°N, 114.027°W
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 58.0% | 21 |
| 27 Jul 2026 | 58.7% | 22 |
| 26 Jul 2026 | 59.4% | 22 |
| 25 Jul 2026 | 60.1% | 22 |
| 24 Jul 2026 | 60.9% | 23 |
| 23 Jul 2026 | 61.6% | 23 |
| 22 Jul 2026 | 62.4% | 23 |
| 21 Jul 2026 | 63.1% | 23 |
| 20 Jul 2026 | 63.8% | 24 |
| 19 Jul 2026 | 64.6% | 24 |
| 18 Jul 2026 | 65.3% | 24 |
| 17 Jul 2026 | 66.0% | 24 |
Frequently asked questions
What is the current water level of Little Wood River Reservoir and Dam (WOD)?
As of July 28, 2026, Little Wood River Reservoir and Dam (WOD) is at 58.0% of its capacity, holding approximately 22 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Little Wood River Reservoir and Dam (WOD) reservoir full?
No. As of July 28, 2026, Little Wood River Reservoir and Dam (WOD) is within its normal operating range at 58.0% of its capacity, so it is not full.
Is the water level at Little Wood River Reservoir and Dam (WOD) rising or falling?
The level at Little Wood River Reservoir and Dam (WOD) has been broadly stable over the latest week on record (-0.7 points).
How much water can Little Wood River Reservoir and Dam (WOD) hold?
Little Wood River Reservoir and Dam (WOD) has a total capacity of 37 hm³.
Where is Little Wood River Reservoir and Dam (WOD) reservoir located?
Little Wood River Reservoir and Dam (WOD) is located in Idaho, United States, within the Idaho basin (coordinates 43.425°N, 114.027°W).
What is Little Wood River Reservoir and Dam (WOD) used for?
Little Wood River Reservoir and Dam (WOD) is used primarily for multiple purposes, and is managed by BOR.