Reservoir · Montana · United States · USACE CWMS
Hebgen Dam on Madison River, MT
Current fill: N/A
Capacity
476.12 hm³
Volume stored
N/A
Coordinates
44.864°N, 111.335°W
Station not currently reporting
The most recent storage reading from this gauge is from 2025-04-23, more than 45 days ago, so the current fill is shown as N/A. The history below reflects that older reading.
Current fill
N/Avs 7 days ago
N/Avs 1 year ago
N/A7-day trend
N/AData 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.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 44.864, -111.335 · Open in Google Maps
About Hebgen Dam on Madison River, MT
It is operated by USACE primarily for multiple purposes. It lies within the Montana basin at 44.864°N, 111.335°W.
Key facts
- Total capacity
- 476 hm³
- Primary use
- Multipurpose
- River basin
- Montana
- Operator
- USACE
- Coordinates
- 44.864°N, 111.335°W
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 23 Apr 2025 | 80.0% | 381 |
| 22 Apr 2025 | 80.0% | 381 |
| 21 Apr 2025 | 80.1% | 381 |
| 20 Apr 2025 | 80.0% | 381 |
| 19 Apr 2025 | 80.1% | 381 |
| 18 Apr 2025 | 80.0% | 381 |
| 17 Apr 2025 | 80.1% | 381 |
| 16 Apr 2025 | 79.8% | 380 |
| 15 Apr 2025 | 79.8% | 380 |
| 14 Apr 2025 | 79.8% | 380 |
| 13 Apr 2025 | 79.7% | 380 |
| 12 Apr 2025 | 79.7% | 380 |
Frequently asked questions
How much water can Hebgen Dam on Madison River, MT hold?
Hebgen Dam on Madison River, MT has a total capacity of 476 hm³.
Where is Hebgen Dam on Madison River, MT reservoir located?
Hebgen Dam on Madison River, MT is located in Montana, United States, within the Montana basin (coordinates 44.864°N, 111.335°W).
What is Hebgen Dam on Madison River, MT used for?
Hebgen Dam on Madison River, MT is used primarily for multiple purposes, and is managed by USACE.

