Anchor South Dam, located in Twin Bridges, Montana, is a privately owned structure primarily used for irrigation purposes.
Wind
Humidity
Built in 1904, this earth dam stands at a height of 11 feet and has a maximum storage capacity of 510 acre-feet. The dam spans 113 feet in length and controls the flow of Birch Creek, providing water for agricultural activities in the area.
With a high hazard potential and a moderate risk assessment rating, Anchor South Dam is regulated and inspected by the Montana Department of Natural Resources and Conservation. The dam's spillway, with a width of 6 feet, is uncontrolled, and the outlet gates are also unregulated. Despite its age, the dam's condition remains unrated, emphasizing the importance of regular inspections and maintenance to ensure its structural integrity and the safety of downstream communities.
As a vital water resource infrastructure in Beaverhead County, Anchor South Dam plays a crucial role in supporting the local agricultural economy. Its strategic location and historical significance make it a notable landmark in the area, highlighting the intersection of water resource management and climate resilience. With proper oversight and risk management measures in place, Anchor South Dam continues to serve as a cornerstone of irrigation infrastructure in Montana.
Year Completed |
1904 |
Dam Length |
113 |
Dam Height |
11 |
River Or Stream |
TR-BIRCH CREEK |
Primary Dam Type |
Earth |
Surface Area |
34 |
Hydraulic Height |
8 |
Drainage Area |
3 |
Nid Storage |
510 |
Structural Height |
11 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Nid Height |
11 |
| Location | Reservations | Toilets |
|---|---|---|
Dinner Station Campground and Picnic Area
|
||
Price Creek
|
||
Price Creek Campground
|
||
Grasshopper Campground and Picnic Area
|
||
Birch Creek Cabin
|
||
Mono Creek
|