Muscatine County Roadgrade Dam 14-77-1e

TR-MISSISSIPPI RIVER· Muscatine, Iowa· Built 1971· Earth· 38 ft tall
Significant Hazard Other Fire Protection Stock Or Small Fish Pond Local Government

Key Takeaway

Muscatine County Roadgrade Dam 14-77-1e is classified as significant hazard in Iowa. It was completed in 1971 and is 55 years old. Its primary use is other. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 38 ft (taller than 80.1% in IA)
Dam Length680 ft
Dam TypeEarth
Max Storage421 acre-ft
Normal Storage118 acre-ft
Surface Area12 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1971 (55 years old)
NID IDIA00828

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 7, 2018
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Muscatine County Board of Supervisors

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Muscatine County Roadgrade Dam 14-77-1e?

Muscatine County Roadgrade Dam 14-77-1e is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Muscatine County Roadgrade Dam 14-77-1e?

Muscatine County Roadgrade Dam 14-77-1e is owned by Muscatine County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Muscatine County Roadgrade Dam 14-77-1e built?

Muscatine County Roadgrade Dam 14-77-1e was completed in 1971, making it 55 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 Muscatine County Roadgrade Dam 14-77-1e?

Muscatine County Roadgrade Dam 14-77-1e serves the following purposes: Other, 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 Muscatine County Roadgrade Dam 14-77-1e?

Muscatine County Roadgrade Dam 14-77-1e has a dam height of 38 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 Muscatine County Roadgrade Dam 14-77-1e last inspected?

Muscatine County Roadgrade Dam 14-77-1e was last inspected on June 7, 2018. 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.