Hartz Reservoir Dam

BAYOU LA GRUE· Prairie, Arkansas· Built 1948· Earth·
Low Hazard Irrigation Private

Key Takeaway

Hartz Reservoir Dam is classified as low hazard in Arkansas. It was completed in 1948 and is 78 years old. Its primary use is irrigation.

Physical Details

Dam Length1,950 ft
Dam TypeEarth
Max Storage1.3K acre-ft
Normal Storage1.0K acre-ft
Surface Area349 acres
Max Discharge424 cfs
Year Completed1948 (78 years old)
NID IDAR00712

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

JACOB HARTZ ESTATE

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hartz Reservoir Dam?

Hartz Reservoir 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 Hartz Reservoir Dam?

Hartz Reservoir Dam is owned by JACOB HARTZ ESTATE (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hartz Reservoir Dam built?

Hartz Reservoir Dam was completed in 1948, making it 78 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 Hartz Reservoir Dam?

Hartz Reservoir Dam serves the following purposes: Irrigation. 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.