Nefsy #4 (custer)
Nefsy #4 (custer) is an earth dam located in Custer County, Montana, built in 1952. It carries a Low hazard potential classification.
About Nefsy #4 (custer)
The primary purpose of Nefsy #4 (custer) 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 William Nefsy (private). It impounds the Elk Creek near Garland.
The dam stands 22 feet tall and stretches 990 feet across, and has a maximum storage capacity of 97 acre-feet. Completed in 1952, 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.
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Location
| State | Montana |
| County | Custer |
| Nearest City | Garland |
| River/Stream | Elk Creek |
| Coordinates | 45.95720, -105.99870 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 990 ft |
| Year Completed | 1952 (74 years old) |
Storage & Hydraulics
| NID Storage | 97 acre-ft |
| Max Storage | 97 acre-ft |
| Normal Storage | 45 acre-ft |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WILLIAM NEFSY |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MT01682 |
| Federal ID | MT01682 |
| More Info | State Dam Safety Program |