Bower Off-Road Dam

TR-FOUR MILE CREEK· Union, Iowa· Built 1990· Earth· 32 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Local Government

Key Takeaway

Bower Off-Road Dam is classified as low hazard in Iowa. It was completed in 1990 and is 36 years old. Its primary use is fire protection.

Physical Details

Dam Height 32 ft (taller than 58.4% in IA)
Dam Length206 ft
Dam TypeEarth
Max Storage18 acre-ft
Normal Storage6 acre-ft
Surface Area1 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1990 (36 years old)
NID IDIA02525

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: Yes
Regulatory Agency: IOWA DNR

Ownership

Union County Board of Supervisors

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Bower Off-Road Dam?

Bower Off-Road 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 Bower Off-Road Dam?

Bower Off-Road Dam is owned by Union County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Bower Off-Road Dam built?

Bower Off-Road Dam was completed in 1990, making it 36 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 Bower Off-Road Dam?

Bower Off-Road Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Bower Off-Road Dam?

Bower Off-Road Dam has a dam height of 32 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.

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.