Joshua Rardin Dam

Trib to Thompson River· Adair, Iowa· Built 2017· Earth· 22 ft tall

Key Takeaway

Joshua Rardin Dam is classified as low hazard in Iowa. It was completed in 2017 and is 9 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 22 ft (taller than 10.6% in IA)
Dam Length462 ft
Dam TypeEarth
Max Storage117 acre-ft
Normal Storage27 acre-ft
Surface Area7 acres
Drainage Area0 sq mi
Max Discharge96 cfs
Year Completed2017 (9 years old)
NID IDIA04306

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

Joshua Rardin

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Joshua Rardin Dam?

Joshua Rardin 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 Joshua Rardin Dam?

Joshua Rardin Dam is owned by Joshua Rardin (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Joshua Rardin Dam built?

Joshua Rardin Dam was completed in 2017, making it 9 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 Joshua Rardin Dam?

Joshua Rardin Dam serves the following purposes: Grade Stabilization, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Joshua Rardin Dam?

Joshua Rardin Dam has a dam height of 22 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.