Jacquot Dam

PRETTY HIPS CREEK· Bennett, South Dakota· Built 1960· Earth· 25 ft tall

Key Takeaway

Jacquot Dam is classified as significant hazard in South Dakota. It was completed in 1960 and is 66 years old. Its primary use is irrigation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 25 ft (taller than 57.4% in SD)
Dam Length1,050 ft
Dam TypeEarth
Max Storage290 acre-ft
Normal Storage135 acre-ft
Max Discharge2,500 cfs
Year Completed1960 (66 years old)
NID IDSD00983

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
State Regulated: Yes
Regulatory Agency: DANR

Ownership

RISSE BROTHERS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jacquot Dam?

Jacquot Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Jacquot Dam?

Jacquot Dam is owned by RISSE BROTHERS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Jacquot Dam built?

Jacquot Dam was completed in 1960, making it 66 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Jacquot Dam?

Jacquot Dam serves the following purposes: Irrigation, Fire Protection, Stock, Or Small Fish Pond, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Jacquot Dam?

Jacquot Dam has a dam height of 25 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.