Murky Retention Dam
Murky Retention Dam is a gravity dam located in Phillips County, Montana, built in 1966. It carries a Low hazard potential classification.
About Murky Retention Dam
The primary purpose of Murky Retention 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 Alkali Ck./milk River near Malta.
The dam stands 28 feet tall and stretches 1,030 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 89 acre-feet, and collects water from a drainage area of 2 square miles. 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. The most recent inspection on record was 08/16/2016.
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Location
| State | Montana |
| County | Phillips |
| Nearest City | Malta |
| River/Stream | Alkali Ck./milk River |
| Coordinates | 48.23103, -107.93600 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 28 ft |
| Dam Length | 1,030 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 89 acre-ft |
| Max Storage | 89 acre-ft |
| Surface Area | 9 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DOI BLM |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 08/16/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT03928 |
| Federal ID | MT03928 |
| More Info | State Dam Safety Program |