Senner #1
Senner #1 is an earth dam located in Dawson County, Montana, built in 1945. It carries a Low hazard potential classification.
About Senner #1
The primary purpose of Senner #1 is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Mayes Ranch Inc (private). It impounds the Tr-south Fork Lisk Creek near Poplar.
The dam stands 20 feet tall and stretches 600 feet across, and has a maximum storage capacity of 110 acre-feet. Completed in 1945, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Dawson |
| Nearest City | Poplar |
| River/Stream | Tr-south Fork Lisk Creek |
| Coordinates | 47.63800, -105.01350 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 600 ft |
| Year Completed | 1945 (81 years old) |
Storage & Hydraulics
| NID Storage | 110 acre-ft |
| Max Storage | 110 acre-ft |
| Normal Storage | 24 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | MAYES RANCH INC |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02525 |
| Federal ID | MT02525 |
| More Info | State Dam Safety Program |