South Fork Dry Blood Creek Detention Dam
South Fork Dry Blood Creek Detention Dam is a gravity dam located in Petroleum County, Montana, built in 1963. It carries a Low hazard potential classification and has a fair condition assessment.
About South Fork Dry Blood Creek Detention Dam
The primary purpose of South Fork Dry Blood Creek Detention 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 Blood Ck./musselshell River near Fort Peck.
The dam stands 36 feet tall and stretches 1,010 feet across, creates a reservoir covering 47 acres, has a maximum storage capacity of 425 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1963, the structure is well into its service life at over 50 years old.
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. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 11/09/2019.
At 36 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | Montana |
| County | Petroleum |
| Nearest City | Fort Peck |
| River/Stream | Blood Ck./musselshell River |
| Coordinates | 47.20930, -108.35218 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 36 ft |
| Dam Length | 1,010 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 425 acre-ft |
| Max Storage | 425 acre-ft |
| Surface Area | 47 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Fair |
| Last Inspection | 11/09/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00809 |
| Federal ID | MT00809 |
| More Info | State Dam Safety Program |