Reservoir · Montana · United States · USACE CWMS
Pishkun Reservoir nr Augusta, MT
82.8% full
Capacity
57.57 hm³
Volume stored
48 hm³
Coordinates
47.677°N, 112.497°W
Last updated
2026-07-29
Current fill
82.8%vs 7 days ago
-0.1%losing
vs 1 year ago
-15.4%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: 2026-07-29.
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 July 29, 2026, Pishkun Reservoir nr Augusta, MT is filled to 82.8% of its total capacity, holding roughly 48 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 (-0.1 pts), and it is 15.4 points below its level on the same date a year earlier.
Across the readings we hold for Pishkun Reservoir nr Augusta, MT — 1786 data points between July 31, 2021 and July 29, 2026 — the level has ranged from a low of 59.2% (April 15, 2026) to a high of 100.2% (July 3, 2026). 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
- 82.8%
- Water stored
- 48 hm³
- Total capacity
- 58 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▼ 15.4 pts
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- USACE
- Coordinates
- 47.677°N, 112.497°W
- Last updated
- July 29, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 29 Jul 2026 | 82.8% | 48 |
| 28 Jul 2026 | 82.9% | 48 |
| 27 Jul 2026 | 83.2% | 48 |
| 26 Jul 2026 | 83.4% | 48 |
| 25 Jul 2026 | 83.3% | 48 |
| 24 Jul 2026 | 83.2% | 48 |
| 23 Jul 2026 | 83.1% | 48 |
| 22 Jul 2026 | 83.0% | 48 |
| 21 Jul 2026 | 82.9% | 48 |
| 20 Jul 2026 | 83.2% | 48 |
| 19 Jul 2026 | 84.1% | 48 |
| 18 Jul 2026 | 85.1% | 49 |
Frequently asked questions
What is the current water level of Pishkun Reservoir nr Augusta, MT?
As of July 29, 2026, Pishkun Reservoir nr Augusta, MT is at 82.8% of its capacity, holding approximately 48 hm³ of water, according to USACE CWMS (US Army Corps of Engineers) data.
Is Pishkun Reservoir nr Augusta, MT reservoir full?
No. As of July 29, 2026, Pishkun Reservoir nr Augusta, MT is high at 82.8% of its capacity, so it is not full.
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 (-0.1 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.