Jack Freeman is an earth dam located in Ziebach County, South Dakota, built in 1960. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 600 ft long, taller than 50% 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 Jack Freeman
The primary purpose of Jack Freeman is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Jack Freeman (private). It impounds the Tr Cheyenne.
The dam stands 25 feet tall and stretches 600 feet across, and has a maximum storage capacity of 315 acre-feet. Completed in 1960, 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 | Ziebach |
| Nearest City | None |
| River/Stream | Tr Cheyenne |
| Coordinates | 44.85999, -101.84332 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 600 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 315 acre-ft |
| Max Storage | 315 acre-ft |
| Normal Storage | 129 acre-ft |
| Max Discharge | 1,500 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Jack Freeman |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00526 |
| Federal ID | SD00526 |
| More Info | State Dam Safety Program |