Whitetail Detention Dam
Whitetail Detention Dam is a gravity dam located in Carter County, Montana, built in 1966. It carries a Low hazard potential classification and has a poor condition assessment.
About Whitetail Detention Dam
The primary purpose of Whitetail 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 Box Elder Ck./little Missouri near Marmoth, Nd.
The dam stands 20 feet tall and stretches 1,185 feet across, creates a reservoir covering 54 acres, and has a maximum storage capacity of 340 acre-feet. Completed in 1966, 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 07/18/2015. That was over 10 years ago.
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Location
| State | Montana |
| County | Carter |
| Nearest City | Marmoth, Nd |
| River/Stream | Box Elder Ck./little Missouri |
| Coordinates | 45.40701, -104.71758 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 20 ft |
| Dam Length | 1,185 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 340 acre-ft |
| Max Storage | 340 acre-ft |
| Surface Area | 54 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 | Poor |
| Last Inspection | 07/18/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT02214 |
| Federal ID | MT02214 |
| More Info | State Dam Safety Program |