Sunrise Lake
Sunrise Lake is an earth dam located in Madison County, Montana, built in 1916. It carries a Significant hazard potential classification.
About Sunrise Lake
The primary purpose of Sunrise Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Woods Three Creeks Ranch Ltd (private). It impounds the Wisconsin Creek near Twin Bridges.
The dam stands 14 feet tall and stretches 103 feet across, and has a maximum storage capacity of 67 acre-feet. Completed in 1916, the structure is over a century old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 07/16/2014. That was over 11 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Madison |
| Nearest City | Twin Bridges |
| River/Stream | Wisconsin Creek |
| Coordinates | 45.58590, -112.09000 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 103 ft |
| Year Completed | 1916 (110 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 46 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | WOODS THREE CREEKS RANCH LTD |
| Owner Type | Private |
| Hazard Classification | Significant |
| Last Inspection | 07/16/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00829 |
| Federal ID | MT00829 |
| More Info | State Dam Safety Program |