Howard Coulee #1
Howard Coulee #1 is an earth dam located in Petroleum County, Montana, built in 1939. It carries a Low hazard potential classification.
About Howard Coulee #1
The primary purpose of Howard Coulee #1 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 Musselshell Ranch Co. (private). It impounds the Tr-howard Coulee near Mosby.
The dam stands 25 feet tall and stretches 100 feet across, has a maximum storage capacity of 70 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1939, 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 | Petroleum |
| Nearest City | Mosby |
| River/Stream | Tr-howard Coulee |
| Coordinates | 46.79060, -108.19370 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 100 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 70 acre-ft |
| Max Storage | 70 acre-ft |
| Normal Storage | 42 acre-ft |
| Drainage Area | 2 sq mi |
| Max Discharge | 125 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | MUSSELSHELL RANCH CO. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02157 |
| Federal ID | MT02157 |
| More Info | State Dam Safety Program |