Pioneer Lake Dam

BENS CREEK-OS· Izard, Arkansas· Built 1969· Earth· 55 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Pioneer Lake Dam is classified as low hazard in Arkansas. It was completed in 1969 and is 57 years old. Its primary use is recreation.

Physical Details

Dam Height 55 ft (taller than 86.4% in AR)
Dam Length700 ft
Dam TypeEarth
Max Storage1.2K acre-ft
Normal Storage585 acre-ft
Surface Area39 acres
Drainage Area1 sq mi
Max Discharge452 cfs
Year Completed1969 (57 years old)
NID IDAR00229

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
Last Inspection: January 28, 2011
State Regulated: Yes
Regulatory Agency: ANRC

Ownership

HORSESHOE BEND MRID

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pioneer Lake Dam?

Pioneer 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 Pioneer Lake Dam?

Pioneer Lake Dam is owned by HORSESHOE BEND MRID (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pioneer Lake Dam built?

Pioneer Lake Dam was completed in 1969, making it 57 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 Pioneer Lake Dam?

Pioneer 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.

How tall is Pioneer Lake Dam?

Pioneer Lake Dam has a dam height of 55 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.

When was Pioneer Lake Dam last inspected?

Pioneer Lake Dam was last inspected on January 28, 2011. Inspection dates indicate when a formal review occurred, not the results of that inspection.

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.