Jacquot Dam is an earth dam located in Bennett County, South Dakota, built in 1960. It carries a Significant hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 1,050 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 Jacquot Dam
The primary purpose of Jacquot Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Risse Brothers (private). It impounds the Pretty Hips Creek near Hisle.
The dam stands 25 feet tall and stretches 1,050 feet across, and has a maximum storage capacity of 290 acre-feet. Completed in 1960, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life.
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Location
| State | South Dakota |
| County | Bennett |
| Nearest City | Hisle |
| River/Stream | Pretty Hips Creek |
| Coordinates | 43.36121, -101.70633 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1960 (66 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 135 acre-ft |
| Max Discharge | 2,500 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Risse Brothers |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | SD00983 |
| Federal ID | SD00983 |
| More Info | State Dam Safety Program |