Echols Lake Dam

Echols Lake Dam is an earth dam located in Sebastian County, Arkansas, built in 1946. It carries a High hazard potential classification and has a fair condition assessment.

About Echols Lake Dam

The primary purpose of Echols Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mont S. Echols, Jr. (private). It impounds the Arkansas River-tr near Fort Smith.

The dam stands 26 feet tall and stretches 420 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 85 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1946, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 03/19/2026.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Arkansas dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardFair ConditionEmergency Action Plan: Yes

Location

StateArkansas
CountySebastian
Nearest CityFort Smith
River/StreamArkansas River-tr
Coordinates35.35965, -94.38677

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length420 ft
Year Completed1946 (80 years old)

Storage & Hydraulics

NID Storage85 acre-ft
Max Storage85 acre-ft
Normal Storage56 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge440 cfs

Ownership & Safety

PurposeRecreation
OwnerMont S. Echols, Jr.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection03/19/2026
Emergency Action PlanYes

Identifiers

NID IDAR01208
Federal IDAR01208
More InfoState Dam Safety Program

Nearby Dams