Dykstra Number 7
Dykstra Number 7 is an earth dam located in Jones County, South Dakota, built in 1953. It carries a Low hazard potential classification.
About Dykstra Number 7
The primary purpose of Dykstra Number 7 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 Daum Brothers (private). It impounds the Tr-white River.
The dam stands 30 feet tall and stretches 567 feet across, and has a maximum storage capacity of 42 acre-feet. Completed in 1953, 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-white River |
| Coordinates | 43.80833, -100.76999 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 567 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 42 acre-ft |
| Max Storage | 42 acre-ft |
| Normal Storage | 31 acre-ft |
| Max Discharge | 562 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DAUM BROTHERS |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00122 |
| Federal ID | SD00122 |
| More Info | State Dam Safety Program |