Reservoir · Montana · United States · BOR RISE
Fresno Reservoir and Dam
30.3% full
Capacity
159.2 hm³
Volume stored
48 hm³
Coordinates
48.608°N, 109.946°W
Last updated
2026-06-10
Current fill
30.3%vs 7 days ago
+0.1%gaining
vs 1 year ago
+2.1%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: 2026-06-10.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 48.608, -109.946 · Open in Google Maps
About Fresno Reservoir and Dam
As of June 10, 2026, Fresno Reservoir and Dam is filled to 30.3% of its total capacity, holding roughly 48 hm³ of water out of a maximum 159 hm³. At this level the reservoir is low.
Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it is 2.1 points above its level on the same date a year earlier.
Across the readings we hold for Fresno Reservoir and Dam — 1827 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 6.0% (July 5, 2025) to a high of 71.2% (May 8, 2023). On average the reservoir is fullest around May and at its lowest around February.
It is operated by BOR primarily for multiple purposes. It lies within the Montana basin at 48.608°N, 109.946°W.
Key facts
- Current fill level
- 30.3%
- Water stored
- 48 hm³
- Total capacity
- 159 hm³
- 7-day change
- ▲ 0.1 pts
- Year-on-year
- ▲ 2.1 pts
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- BOR
- Coordinates
- 48.608°N, 109.946°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 30.3% | 48 |
| 9 Jun 2026 | 30.2% | 48 |
| 8 Jun 2026 | 30.1% | 48 |
| 7 Jun 2026 | 29.8% | 47 |
| 6 Jun 2026 | 29.2% | 46 |
| 5 Jun 2026 | 28.4% | 45 |
| 4 Jun 2026 | 27.8% | 44 |
| 3 Jun 2026 | 27.8% | 44 |
| 2 Jun 2026 | 27.6% | 44 |
| 1 Jun 2026 | 27.4% | 44 |
| 31 May 2026 | 27.6% | 44 |
| 30 May 2026 | 28.2% | 45 |
Frequently asked questions
What is the current water level of Fresno Reservoir and Dam?
As of June 10, 2026, Fresno Reservoir and Dam is at 30.3% of its capacity, holding approximately 48 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Fresno Reservoir and Dam reservoir full?
No. As of June 10, 2026, Fresno Reservoir and Dam is low at 30.3% of its capacity, so it is not full.
Is the water level at Fresno Reservoir and Dam rising or falling?
The level at Fresno Reservoir and Dam has been broadly stable over the latest week on record (+0.1 points).
How much water can Fresno Reservoir and Dam hold?
Fresno Reservoir and Dam has a total capacity of 159 hm³.
Where is Fresno Reservoir and Dam reservoir located?
Fresno Reservoir and Dam is located in Montana, United States, within the Montana basin (coordinates 48.608°N, 109.946°W).
What is Fresno Reservoir and Dam used for?
Fresno Reservoir and Dam is used primarily for multiple purposes, and is managed by BOR.