Jensen Number 8
Jensen Number 8 is an earth dam located in Mellette County, South Dakota, built in 1962. It carries a Low hazard potential classification.
About Jensen Number 8
The primary purpose of Jensen Number 8 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 Wm Jensen (private). It impounds the Tr Cottwood Offstream.
The dam stands 30 feet tall and stretches 596 feet across, and has a maximum storage capacity of 44 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 | Mellette |
| Nearest City | None |
| River/Stream | Tr Cottwood Offstream |
| Coordinates | 43.63499, -100.86666 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 596 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 44 acre-ft |
| Max Storage | 44 acre-ft |
| Normal Storage | 31 acre-ft |
| Max Discharge | 1,450 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | WM JENSEN |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD01252 |
| Federal ID | SD01252 |
| More Info | State Dam Safety Program |