Reservoir · Idaho · United States · BOR RISE
Ririe Reservoir and Dam (RIR)
64.2% full
Capacity
111.63 hm³
Volume stored
72 hm³
Coordinates
43.582°N, 111.743°W
Last updated
2026-06-11
Current fill
64.2%vs 7 days ago
-0.1%losing
vs 1 year ago
-0.9%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: 2026-06-11.
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 (RIR)
As of June 11, 2026, Ririe Reservoir and Dam (RIR) is filled to 64.2% of its total capacity, holding roughly 72 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 held broadly steady (-0.1 pts), and it sits close to where it was a year earlier.
Across the readings we hold for Ririe Reservoir and Dam (RIR) — 2192 data points between June 13, 2021 and June 11, 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
- 64.2%
- Water stored
- 72 hm³
- Total capacity
- 112 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 0.9 pts
- Primary use
- Multipurpose
- River basin
- Idaho
- Operator
- BOR
- Coordinates
- 43.582°N, 111.743°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 64.2% | 72 |
| 10 Jun 2026 | 64.3% | 72 |
| 9 Jun 2026 | 64.4% | 72 |
| 8 Jun 2026 | 64.5% | 72 |
| 7 Jun 2026 | 64.6% | 72 |
| 6 Jun 2026 | 64.7% | 72 |
| 5 Jun 2026 | 64.8% | 72 |
| 4 Jun 2026 | 64.9% | 72 |
| 3 Jun 2026 | 65.0% | 73 |
| 2 Jun 2026 | 65.1% | 73 |
| 1 Jun 2026 | 65.1% | 73 |
| 31 May 2026 | 65.1% | 73 |
Frequently asked questions
What is the current water level of Ririe Reservoir and Dam (RIR)?
As of June 11, 2026, Ririe Reservoir and Dam (RIR) is at 64.2% of its capacity, holding approximately 72 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Ririe Reservoir and Dam (RIR) reservoir full?
No. As of June 11, 2026, Ririe Reservoir and Dam (RIR) is within its normal operating range at 64.2% of its capacity, so it is not full.
Is the water level at Ririe Reservoir and Dam (RIR) rising or falling?
The level at Ririe Reservoir and Dam (RIR) has been broadly stable over the latest week on record (-0.1 points).
How much water can Ririe Reservoir and Dam (RIR) hold?
Ririe Reservoir and Dam (RIR) has a total capacity of 112 hm³.
Where is Ririe Reservoir and Dam (RIR) reservoir located?
Ririe Reservoir and Dam (RIR) is located in Idaho, United States, within the Idaho basin (coordinates 43.582°N, 111.743°W).
What is Ririe Reservoir and Dam (RIR) used for?
Ririe Reservoir and Dam (RIR) is used primarily for multiple purposes, and is managed by BOR.