Hewitt Lake Dam

SIXMILE CREEK-TR· Logan, Arkansas· Built 1964· Earth·
Significant Hazard Recreation Water Supply Private

Key Takeaway

Hewitt Lake Dam is classified as significant hazard in Arkansas. It was completed in 1964 and is 62 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Length330 ft
Dam TypeEarth
Max Storage77 acre-ft
Normal Storage56 acre-ft
Max Discharge339 cfs
Year Completed1964 (62 years old)
NID IDAR00878

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

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

W O HEWITT

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hewitt Lake Dam?

Hewitt Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hewitt Lake Dam?

Hewitt Lake Dam is owned by W O HEWITT (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hewitt Lake Dam built?

Hewitt Lake Dam was completed in 1964, making it 62 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 Hewitt Lake Dam?

Hewitt Lake Dam 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.

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.