Harden Lake

TR-WALNUT CREEK· Adair, Missouri· Built 1996· Earth· 30 ft tall
Low Hazard Grade Stabilization Private

Key Takeaway

Harden Lake is classified as low hazard in Missouri. It was completed in 1996 and is 30 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 30 ft (taller than 63.5% in MO)
Dam Length495 ft
Dam TypeEarth
Max Storage47 acre-ft
Normal Storage30 acre-ft
Surface Area16 acres
Drainage Area257 sq mi
Max Discharge28 cfs
Year Completed1996 (30 years old)
NID IDMO50684

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

LARRY AND HAROLD HARDEN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Harden Lake?

Harden Lake 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 Harden Lake?

Harden Lake is owned by LARRY AND HAROLD HARDEN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Harden Lake built?

Harden Lake was completed in 1996, making it 30 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 Harden Lake?

Harden Lake serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Harden Lake?

Harden Lake has a dam height of 30 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.