Coon
Coon is an earth dam located in Richland County, Montana, built in 1950. It carries a Low hazard potential classification.
About Coon
The primary purpose of Coon is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Robert J Coon (private). It impounds the North Fork Lone Tree Creek near Sidney.
The dam stands 15 feet tall and stretches 900 feet across, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 26 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 | Richland |
| Nearest City | Sidney |
| River/Stream | North Fork Lone Tree Creek |
| Coordinates | 47.77750, -104.33620 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 900 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 54 acre-ft |
| Max Storage | 54 acre-ft |
| Normal Storage | 28 acre-ft |
| Drainage Area | 26 sq mi |
Ownership & Safety
| Purpose | Irrigation |
| Owner | ROBERT J COON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02625 |
| Federal ID | MT02625 |
| More Info | State Dam Safety Program |