Lyman Number 5
Lyman Number 5 is an earth dam located in Jones County, South Dakota, built in 1962. It carries a Low hazard potential classification.
About Lyman Number 5
The primary purpose of Lyman Number 5 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 Lyn Lyman (private). It impounds the Tr-bad River.
The dam stands 27 feet tall and stretches 615 feet across, and has a maximum storage capacity of 61 acre-feet. Completed in 1962, 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 | Jones |
| Nearest City | None |
| River/Stream | Tr-bad River |
| Coordinates | 44.02499, -100.89832 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 615 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 38 acre-ft |
| Max Discharge | 2,457 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | LYN LYMAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01648 |
| Federal ID | SD01648 |
| More Info | State Dam Safety Program |