Pr-137 King Retention Dam is a gravity dam located in Phillips County, Montana, built in 1937. It carries a Low hazard potential classification.
Dam profile
NID height · 29 ft29 ft tall and 451 ft long, taller than 65% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Pr-137 King Retention Dam
The primary purpose of Pr-137 King Retention Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Doi BLM (federal). It impounds the Telegraph Ck./missouri River ( near Fort Peck.
The dam stands 29 feet tall and stretches 451 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1937, 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. The most recent inspection on record was 08/16/2016. That was over 10 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Montana |
| County | Phillips |
| Nearest City | Fort Peck |
| River/Stream | Telegraph Ck./missouri River ( |
| Coordinates | 47.84731, -107.85642 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 29 ft |
| Dam Length | 451 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 90 acre-ft |
| Max Storage | 90 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Doi BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 08/16/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00791 |
| Federal ID | MT00791 |
| More Info | State Dam Safety Program |