Lobella Detention Dam
Lobella Detention Dam is a gravity dam located in Dawson County, Montana, built in 1956. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Lobella Detention Dam
The primary purpose of Lobella Detention Dam 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 Doi Blm (federal). It impounds the Cedar Ck./yellowstone River near Glendive.
The dam stands 21 feet tall and stretches 483 feet across, creates a reservoir covering 23 acres, and has a maximum storage capacity of 122 acre-feet. Completed in 1956, 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 07/24/2020.
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Location
| State | Montana |
| County | Dawson |
| Nearest City | Glendive |
| River/Stream | Cedar Ck./yellowstone River |
| Coordinates | 46.88411, -104.58973 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 21 ft |
| Dam Length | 483 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 122 acre-ft |
| Max Storage | 122 acre-ft |
| Surface Area | 23 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 07/24/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT00629 |
| Federal ID | MT00629 |
| More Info | State Dam Safety Program |