Carnahan Lake Dam

DEVILS RUN-BIG BRUSHY CREEK· Carter, Missouri· Built 1974· Earth· 21 ft tall

Key Takeaway

Carnahan Lake Dam is classified as low hazard in Missouri. It was completed in 1974 and is 52 years old. Its primary use is irrigation.

Physical Details

Dam Height 21 ft (taller than 13.3% in MO)
Dam TypeEarth
Max Storage292 acre-ft
Normal Storage185 acre-ft
Surface Area26 acres
Drainage Area115 sq mi
Year Completed1974 (52 years old)
NID IDMO30104

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: No

Ownership

ROBERT&IOMA CARNAHAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Carnahan Lake Dam?

Carnahan Lake Dam 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 Carnahan Lake Dam?

Carnahan Lake Dam is owned by ROBERT&IOMA CARNAHAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carnahan Lake Dam built?

Carnahan Lake Dam was completed in 1974, making it 52 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 Carnahan Lake Dam?

Carnahan Lake 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 Carnahan Lake Dam?

Carnahan Lake Dam has a dam height of 21 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.