Waterbury Dam
Waterbury Dam is an earth dam located in Gregory County, South Dakota, built in 1976. It carries a Low hazard potential classification.
About Waterbury Dam
The primary purpose of Waterbury 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 Robert Waterbury (private). It impounds the Ponca Creek-tr.
The dam stands 60 feet tall and stretches 1,100 feet across, and has a maximum storage capacity of 900 acre-feet. Completed in 1976, the structure is 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 07/31/1991. That was over 34 years ago.
At 60 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | South Dakota |
| County | Gregory |
| Nearest City | None |
| River/Stream | Ponca Creek-tr |
| Coordinates | 43.09400, -99.27940 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 60 ft |
| Dam Height | 60 ft |
| Dam Length | 1,100 ft |
| Year Completed | 1976 (50 years old) |
Storage & Hydraulics
| NID Storage | 900 acre-ft |
| Max Storage | 900 acre-ft |
| Normal Storage | 750 acre-ft |
| Max Discharge | 2,865 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Robert Waterbury |
| Owner Type | Private |
| Hazard Classification | Low |
| Last Inspection | 07/31/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD02213 |
| Federal ID | SD02213 |
| More Info | State Dam Safety Program |