Reservoir · Idaho · United States · BOR RISE
Ririe Reservoir and Dam
53.7% full
Capacity
111.63 hm³
Volume stored
60 hm³
Coordinates
43.582°N, 111.743°W
Last updated
2026-08-12
Current fill
53.7%vs 7 days ago
-2.7%losing
vs 1 year ago
-17.2%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: 2026-08-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 43.582, -111.743 · Open in Google Maps
About Ririe Reservoir and Dam
As of August 12, 2026, Ririe Reservoir and Dam is filled to 53.7% of its total capacity, holding roughly 60 hm³ of water out of a maximum 112 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 2.7 percentage points, and it is 17.2 points below its level on the same date a year earlier.
Across the readings we hold for Ririe Reservoir and Dam — 2187 data points between August 15, 2021 and August 12, 2026 — the level has ranged from a low of 44.3% (October 27, 2025) to a high of 89.6% (April 30, 2024). 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 43.582°N, 111.743°W.
Key facts
- Current fill level
- 53.7%
- Water stored
- 60 hm³
- Total capacity
- 112 hm³
- 7-day change
- ▼ 2.7 pts
- Year-on-year
- ▼ 17.2 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 43.582°N, 111.743°W
- Last updated
- August 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Aug 2026 | 53.7% | 60 |
| 11 Aug 2026 | 54.4% | 61 |
| 10 Aug 2026 | 55.2% | 62 |
| 9 Aug 2026 | 55.8% | 62 |
| 8 Aug 2026 | 55.9% | 62 |
| 7 Aug 2026 | 56.1% | 63 |
| 6 Aug 2026 | 56.2% | 63 |
| 5 Aug 2026 | 56.4% | 63 |
| 4 Aug 2026 | 56.5% | 63 |
| 3 Aug 2026 | 56.7% | 63 |
| 2 Aug 2026 | 56.9% | 63 |
| 31 Jul 2026 | 57.2% | 64 |
Frequently asked questions
What is the current water level of Ririe Reservoir and Dam?
As of August 12, 2026, Ririe Reservoir and Dam is at 53.7% of its capacity, holding approximately 60 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Ririe Reservoir and Dam reservoir full?
No. As of August 12, 2026, Ririe Reservoir and Dam is within its normal operating range at 53.7% of its capacity, so it is not full.
Is the water level at Ririe Reservoir and Dam rising or falling?
The level at Ririe Reservoir and Dam is falling — it dropped 2.7 percentage points over the latest week on record.
How much water can Ririe Reservoir and Dam hold?
Ririe Reservoir and Dam has a total capacity of 112 hm³.
Where is Ririe Reservoir and Dam reservoir located?
Ririe Reservoir and Dam is located in Idaho, United States, within the Idaho basin (coordinates 43.582°N, 111.743°W).
What is Ririe Reservoir and Dam used for?
Ririe Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.