Hooper Dam

TR- SQUAW CREEK· Warren, Iowa· Built 1996· Earth· 37 ft tall
Low Hazard Recreation State Government

Key Takeaway

Hooper Dam is classified as low hazard in Iowa. It was completed in 1996 and is 30 years old. Its primary use is recreation.

Physical Details

Dam Height 37 ft (taller than 77.4% in IA)
Dam Length900 ft
Dam TypeEarth
Max Storage879 acre-ft
Normal Storage418 acre-ft
Surface Area45 acres
Drainage Area2 sq mi
Max Discharge0 cfs
Year Completed1996 (30 years old)
Year Modified1996
NID IDIA03101

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: May 20, 2019
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Iowa Department of Natural Resources

State Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hooper Dam?

Hooper 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 Hooper Dam?

Hooper Dam is owned by Iowa Department of Natural Resources (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hooper Dam built?

Hooper Dam was completed in 1996, making it 30 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 Hooper Dam?

Hooper 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 Hooper Dam?

Hooper Dam has a dam height of 37 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 Hooper Dam last inspected?

Hooper Dam was last inspected on May 20, 2019. 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.