Mound Lake Dam

PLUM BAYOU-TR· Lonoke, Arkansas· Built 1950· Earth·
Low Hazard Recreation State Government

Key Takeaway

Mound Lake Dam is classified as low hazard in Arkansas. It was completed in 1950 and is 76 years old. Its primary use is recreation.

Physical Details

Dam Length400 ft
Dam TypeEarth
Max Storage700 acre-ft
Normal Storage510 acre-ft
Max Discharge311 cfs
Year Completed1950 (76 years old)
NID IDAR00115

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

ARKANSAS STATE PARKS

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mound Lake Dam?

Mound 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 Mound Lake Dam?

Mound Lake Dam is owned by ARKANSAS STATE PARKS (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mound Lake Dam built?

Mound Lake Dam was completed in 1950, making it 76 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 Mound Lake Dam?

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

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.