Star Lake Dam
Star Lake Dam is an earth dam located in Gregory County, South Dakota, built in 1934. It carries a Low hazard potential classification.
About Star Lake Dam
The primary purpose of Star Lake 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 Lindwurm Bros. (private). It impounds the Tr-ponca Creek.
The dam stands 24 feet tall and stretches 957 feet across, and has a maximum storage capacity of 252 acre-feet. Completed in 1934, the structure is well-established, with more than 75 years of service.
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 07/09/2014. That was over 11 years ago.
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Location
| State | South Dakota |
| County | Gregory |
| Nearest City | None |
| River/Stream | Tr-ponca Creek |
| Coordinates | 43.05286, -99.37151 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Dam Length | 957 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 252 acre-ft |
| Max Storage | 252 acre-ft |
| Normal Storage | 145 acre-ft |
| Max Discharge | 1,997 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | LINDWURM BROS. |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 07/09/2014 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02177 |
| Federal ID | SD02177 |
| More Info | State Dam Safety Program |