Echo Reservoir
Echo Reservoir is an earth dam located in Liberty County, Montana, built in 1950. It carries a Low hazard potential classification.
About Echo Reservoir
The primary purpose of Echo Reservoir is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Enoch B Anderson (private). It impounds the Tr-marias River near Loma.
The dam stands 18 feet tall and stretches 250 feet across, has a maximum storage capacity of 205 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1950, 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.
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Location
| State | Montana |
| County | Liberty |
| Nearest City | Loma |
| River/Stream | Tr-marias River |
| Coordinates | 48.53300, -110.79780 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 250 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 205 acre-ft |
| Max Storage | 205 acre-ft |
| Normal Storage | 119 acre-ft |
| Drainage Area | 1 sq mi |
| Max Discharge | 440 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ENOCH B ANDERSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03467 |
| Federal ID | MT03467 |
| More Info | State Dam Safety Program |