Reservoir · Montana · United States · USACE CWMS
Pishkun Reservoir nr Augusta, MT
97.8% full
Capacity
57.57 hm³
Volume stored
56 hm³
Coordinates
47.677°N, 112.497°W
Last updated
2026-06-11
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: USACE CWMS — US Army Corps of Engineers — 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. 47.677, -112.497 · Open in Google Maps
About Pishkun Reservoir nr Augusta, MT
As of June 11, 2026, Pishkun Reservoir nr Augusta, MT 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 nr Augusta, MT — 1790 data points between June 13, 2021 and June 11, 2026 — the level has ranged from a low of 59.2% (April 15, 2026) to a high of 100.0% (August 30, 2022). On average the reservoir is fullest around June and at its lowest around March.
It is operated by USACE 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
- USACE
- Coordinates
- 47.677°N, 112.497°W
- Last updated
- June 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Jun 2026 | 97.8% | 56 |
| 10 Jun 2026 | 98.2% | 57 |
| 9 Jun 2026 | 98.6% | 57 |
| 8 Jun 2026 | 98.8% | 57 |
| 7 Jun 2026 | 99.0% | 57 |
| 6 Jun 2026 | 98.8% | 57 |
| 5 Jun 2026 | 98.5% | 57 |
| 4 Jun 2026 | 98.2% | 57 |
| 3 Jun 2026 | 98.0% | 56 |
| 2 Jun 2026 | 97.7% | 56 |
| 1 Jun 2026 | 97.3% | 56 |
| 31 May 2026 | 96.4% | 56 |
Frequently asked questions
What is the current water level of Pishkun Reservoir nr Augusta, MT?
As of June 11, 2026, Pishkun Reservoir nr Augusta, MT is at 97.8% of its capacity, holding approximately 56 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Pishkun Reservoir nr Augusta, MT reservoir full?
Pishkun Reservoir nr Augusta, MT is essentially full, sitting at 97.8% of capacity as of June 11, 2026.
Is the water level at Pishkun Reservoir nr Augusta, MT rising or falling?
The level at Pishkun Reservoir nr Augusta, MT has been broadly stable over the latest week on record (-0.4 points).
How much water can Pishkun Reservoir nr Augusta, MT hold?
Pishkun Reservoir nr Augusta, MT has a total capacity of 58 hm³.
Where is Pishkun Reservoir nr Augusta, MT reservoir located?
Pishkun Reservoir nr Augusta, MT is located in Montana, United States, within the Montana basin (coordinates 47.677°N, 112.497°W).
What is Pishkun Reservoir nr Augusta, MT used for?
Pishkun Reservoir nr Augusta, MT is used primarily for multiple purposes, and is managed by USACE.