Tripp

TR-CHOTEAU CREEK· Hutchinson, South Dakota· Built 1934· Earth· 27 ft tall
Low Hazard Recreation Water Supply State Government

Key Takeaway

Tripp is classified as low hazard in South Dakota. It was completed in 1934 and is 92 years old. Its primary use is recreation.

Physical Details

Dam Height 27 ft (taller than 71.8% in SD)
Dam Length790 ft
Dam TypeEarth
Max Storage185 acre-ft
Normal Storage100 acre-ft
Surface Area12 acres
Drainage Area3 sq mi
Max Discharge5,300 cfs
Year Completed1934 (92 years old)
Year Modified2000
NID IDSD00694

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: October 4, 2022
State Regulated: Yes
Regulatory Agency: DANR

Ownership

S&PL

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Tripp?

Tripp is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Tripp?

Tripp is owned by S&PL (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Tripp built?

Tripp was completed in 1934, making it 92 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 Tripp?

Tripp serves the following purposes: Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Tripp?

Tripp has a dam height of 27 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.

When was Tripp last inspected?

Tripp was last inspected on October 4, 2022. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.