Dykstra Number 17 is an earth dam located in Jones County, South Dakota, built in 1957. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 465 ft long, taller than 68% of U.S. dams with a recorded height. 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 Dykstra Number 17
The primary purpose of Dykstra Number 17 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 Ben Dykstra (private). It impounds the Tr-whiteriver.
The dam stands 30 feet tall and stretches 465 feet across, and has a maximum storage capacity of 41 acre-feet. Completed in 1957, 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.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | South Dakota |
| County | Jones |
| Nearest City | None |
| River/Stream | Tr-whiteriver |
| Coordinates | 43.86666, -100.69499 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 465 ft |
| Year Completed | 1957 (69 years old) |
Storage & Hydraulics
| NID Storage | 41 acre-ft |
| Max Storage | 41 acre-ft |
| Normal Storage | 25 acre-ft |
| Max Discharge | 375 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Ben Dykstra |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00112 |
| Federal ID | SD00112 |
| More Info | State Dam Safety Program |