Woodbury County Roadgrade Dam 5-87-44

EAST BRANCH· Woodbury, Iowa· Built 1991· Earth· 32 ft tall
Low Hazard Other Local Government

Key Takeaway

Woodbury County Roadgrade Dam 5-87-44 is classified as low hazard in Iowa. It was completed in 1991 and is 35 years old. Its primary use is other.

Physical Details

Dam Height 32 ft (taller than 58.4% in IA)
Dam Length1,140 ft
Dam TypeEarth
Max Storage98 acre-ft
Normal Storage50 acre-ft
Surface Area0 acres
Drainage Area6 sq mi
Max Discharge0 cfs
Year Completed1991 (35 years old)
NID IDIA02587

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

Woodbury County Board of Supervisors

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Woodbury County Roadgrade Dam 5-87-44?

Woodbury County Roadgrade Dam 5-87-44 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 Woodbury County Roadgrade Dam 5-87-44?

Woodbury County Roadgrade Dam 5-87-44 is owned by Woodbury County Board of Supervisors (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Woodbury County Roadgrade Dam 5-87-44 built?

Woodbury County Roadgrade Dam 5-87-44 was completed in 1991, making it 35 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 Woodbury County Roadgrade Dam 5-87-44?

Woodbury County Roadgrade Dam 5-87-44 serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Woodbury County Roadgrade Dam 5-87-44?

Woodbury County Roadgrade Dam 5-87-44 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.