Dimmitt Dam

TR-CEDAR CREEK· Wapello, Iowa· Built 1965· Earth· 20 ft tall

Key Takeaway

Dimmitt Dam is classified as low hazard in Iowa. It was completed in 1965 and is 61 years old. Its primary use is fire protection.

Physical Details

Dam Height 20 ft (taller than 7.5% in IA)
Dam Length431 ft
Dam TypeEarth
Max Storage78 acre-ft
Normal Storage26 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1965 (61 years old)
NID IDIA01108

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
Last Inspection: January 30, 1990
State Regulated: Yes
Regulatory Agency: IOWA DNR

Ownership

Earl R Dimmitt

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dimmitt Dam?

Dimmitt 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 Dimmitt Dam?

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

When was Dimmitt Dam built?

Dimmitt Dam was completed in 1965, making it 61 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 Dimmitt Dam?

Dimmitt 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 Dimmitt Dam?

Dimmitt Dam has a dam height of 20 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 Dimmitt Dam last inspected?

Dimmitt Dam was last inspected on January 30, 1990. 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.