Monona County Roadgrade Dam 5-82-42

TR-SOLDIER RIVER· Monona, Iowa· Built 1967· Earth· 45 ft tall
Low Hazard Fire Protection Stock Or Small Fish Pond Other Local Government

Key Takeaway

Monona County Roadgrade Dam 5-82-42 is classified as low hazard in Iowa. It was completed in 1967 and is 59 years old. Its primary use is fire protection.

Physical Details

Dam Height 45 ft (taller than 91.4% in IA)
Dam Length573 ft
Dam TypeEarth
Max Storage55 acre-ft
Normal Storage28 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1967 (59 years old)
NID IDIA00712

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

Monona County Board of Supervisors

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Monona County Roadgrade Dam 5-82-42?

Monona County Roadgrade Dam 5-82-42 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 Monona County Roadgrade Dam 5-82-42?

Monona County Roadgrade Dam 5-82-42 is owned by Monona County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Monona County Roadgrade Dam 5-82-42 built?

Monona County Roadgrade Dam 5-82-42 was completed in 1967, making it 59 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 Monona County Roadgrade Dam 5-82-42?

Monona County Roadgrade Dam 5-82-42 serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Monona County Roadgrade Dam 5-82-42?

Monona County Roadgrade Dam 5-82-42 has a dam height of 45 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.