Lynn Beals is an earth dam located in Hughes County, South Dakota, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 15 ft15 ft tall and 400 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Lynn Beals
The primary purpose of Lynn Beals 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 James A. Feller (private). It impounds the Trib. Medicine Creek.
The dam stands 15 feet tall and stretches 400 feet across, creates a reservoir covering 8 acres, and has a maximum storage capacity of 100 acre-feet. Completed in 1955, 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 | South Dakota |
| County | Hughes |
| Nearest City | None |
| River/Stream | Trib. Medicine Creek |
| Coordinates | 44.41333, -99.98332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 400 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 100 acre-ft |
| Max Storage | 100 acre-ft |
| Normal Storage | 55 acre-ft |
| Surface Area | 8 acres |
| Max Discharge | 704 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | James A. Feller |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01528 |
| Federal ID | SD01528 |
| More Info | State Dam Safety Program |