Oliver Detention Dam
Oliver Detention Dam is a gravity dam located in Carter County, Montana, built in 2003. It carries a Low hazard potential classification and has a poor condition assessment.
About Oliver Detention Dam
The primary purpose of Oliver 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 Butte Creek near Capitol.
The dam stands 15 feet tall and stretches 3,369 feet across, creates a reservoir covering 178 acres, has a maximum storage capacity of 1,301 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 2003, the structure is relatively new.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/25/2020.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Capitol |
| River/Stream | Butte Creek |
| Coordinates | 45.19769, -104.36376 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 15 ft |
| Dam Length | 3,369 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 1,301 acre-ft |
| Max Storage | 1,301 acre-ft |
| Surface Area | 178 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 | Poor |
| Last Inspection | 07/25/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03881 |
| Federal ID | MT03881 |
| More Info | State Dam Safety Program |