Lower Elliot Lake
Lower Elliot Lake is an earth dam located in Powell County, Montana, built in 1924. It carries a Low hazard potential classification.
About Lower Elliot Lake
The primary purpose of Lower Elliot Lake is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Tamcke Brothers (private). It impounds the Tr- Dempsey Creek near Deer Lodge.
The dam stands 10 feet tall and stretches 105 feet across, and has a maximum storage capacity of 76 acre-feet. Completed in 1924, the structure is over a century old.
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.
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Location
| State | Montana |
| County | Powell |
| Nearest City | Deer Lodge |
| River/Stream | Tr- Dempsey Creek |
| Coordinates | 46.33494, -112.99788 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 105 ft |
| Year Completed | 1924 (102 years old) |
Storage & Hydraulics
| NID Storage | 76 acre-ft |
| Max Storage | 76 acre-ft |
| Normal Storage | 44 acre-ft |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Tamcke Brothers |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01142 |
| Federal ID | MT01142 |
| More Info | State Dam Safety Program |