Reservoir · Montana · United States · BOR RISE
Pishkun Reservoir and Dikes
97.8% full
Capacity
57.57 hm³
Volume stored
56 hm³
Coordinates
47.677°N, 112.497°W
Last updated
2026-06-10
Current fill
97.8%vs 7 days ago
-0.4%losing
vs 1 year ago
+38.6%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. 47.677, -112.497 · Open in Google Maps
About Pishkun Reservoir and Dikes
As of June 10, 2026, Pishkun Reservoir and Dikes is filled to 97.8% of its total capacity, holding roughly 56 hm³ of water out of a maximum 58 hm³. At this level the reservoir is high.
Over the most recent week on record the fill level has held broadly steady (-0.4 pts), and it is 38.6 points above its level on the same date a year earlier.
Across the readings we hold for Pishkun Reservoir and Dikes — 1870 data points between June 13, 2021 and June 10, 2026 — the level has ranged from a low of 59.2% (April 14, 2026) to a high of 100.0% (August 29, 2022). On average the reservoir is fullest around June and at its lowest around March.
It is operated by BOR primarily for multiple purposes. It lies within the Montana basin at 47.677°N, 112.497°W.
Key facts
- Current fill level
- 97.8%
- Water stored
- 56 hm³
- Total capacity
- 58 hm³
- 7-day change
- ▼ 0.4 pts
- Year-on-year
- ▲ 38.6 pts
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- BOR
- Coordinates
- 47.677°N, 112.497°W
- Last updated
- June 10, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 10 Jun 2026 | 97.8% | 56 |
| 9 Jun 2026 | 98.2% | 57 |
| 8 Jun 2026 | 98.6% | 57 |
| 7 Jun 2026 | 99.0% | 57 |
| 6 Jun 2026 | 99.0% | 57 |
| 5 Jun 2026 | 98.8% | 57 |
| 4 Jun 2026 | 98.5% | 57 |
| 3 Jun 2026 | 98.2% | 57 |
| 2 Jun 2026 | 98.0% | 56 |
| 1 Jun 2026 | 97.7% | 56 |
| 31 May 2026 | 97.3% | 56 |
| 30 May 2026 | 96.4% | 56 |
Frequently asked questions
What is the current water level of Pishkun Reservoir and Dikes?
As of June 10, 2026, Pishkun Reservoir and Dikes is at 97.8% of its capacity, holding approximately 56 hm³ of water, according to BOR RISE (US Bureau of Reclamation) data.
Is Pishkun Reservoir and Dikes reservoir full?
Pishkun Reservoir and Dikes is essentially full, sitting at 97.8% of capacity as of June 10, 2026.
Is the water level at Pishkun Reservoir and Dikes rising or falling?
The level at Pishkun Reservoir and Dikes has been broadly stable over the latest week on record (-0.4 points).
How much water can Pishkun Reservoir and Dikes hold?
Pishkun Reservoir and Dikes has a total capacity of 58 hm³.
Where is Pishkun Reservoir and Dikes reservoir located?
Pishkun Reservoir and Dikes is located in Montana, United States, within the Montana basin (coordinates 47.677°N, 112.497°W).
What is Pishkun Reservoir and Dikes used for?
Pishkun Reservoir and Dikes is used primarily for multiple purposes, and is managed by BOR.