Cool Cotton
Cool Cotton is an earth dam located in Hill County, Montana, built in 1938. It carries a Significant hazard potential classification.
About Cool Cotton
The primary purpose of Cool Cotton is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by P Wildhorse Trail Farming Co. (private). It impounds the Cottonwood Coulee near No Town.
The dam stands 20 feet tall and stretches 300 feet across, and has a maximum storage capacity of 73 acre-feet. Completed in 1938, the structure is well-established, with more than 75 years of service.
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.
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Location
| State | Montana |
| County | Hill |
| Nearest City | No Town |
| River/Stream | Cottonwood Coulee |
| Coordinates | 48.81840, -109.96960 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 73 acre-ft |
| Max Storage | 73 acre-ft |
| Normal Storage | 53 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | P WILDHORSE TRAIL FARMING CO. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00278 |
| Federal ID | MT00278 |
| More Info | State Dam Safety Program |