Lee Calhoon 2

WHITE RIVER OFF STREAM· Tripp, South Dakota· Built 1965· Earth· 28 ft tall

Key Takeaway

Lee Calhoon 2 is classified as low hazard in South Dakota. It was completed in 1965 and is 61 years old. Its primary use is fire protection.

Physical Details

Dam Height 28 ft (taller than 77.7% in SD)
Dam Length338 ft
Dam TypeEarth
Max Storage35 acre-ft
Normal Storage20 acre-ft
Max Discharge1,260 cfs
Year Completed1965 (61 years old)
NID IDSD00573

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
State Regulated: Yes
Regulatory Agency: DANR

Ownership

CALHOON RANCH INC.

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lee Calhoon 2?

Lee Calhoon 2 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 Lee Calhoon 2?

Lee Calhoon 2 is owned by CALHOON RANCH INC. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lee Calhoon 2 built?

Lee Calhoon 2 was completed in 1965, making it 61 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 Lee Calhoon 2?

Lee Calhoon 2 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lee Calhoon 2?

Lee Calhoon 2 has a dam height of 28 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.