Jones Dam

TR- LITTLE RIVER· Decatur, Iowa· Built 1992· Earth· 27 ft tall

Key Takeaway

Jones Dam is classified as low hazard in Iowa. It was completed in 1992 and is 34 years old. Its primary use is fire protection.

Physical Details

Dam Height 27 ft (taller than 30.7% in IA)
Dam Length462 ft
Dam TypeEarth
Max Storage146 acre-ft
Normal Storage25 acre-ft
Surface Area5 acres
Drainage Area1 sq mi
Max Discharge0 cfs
Year Completed1992 (34 years old)
NID IDIA02836

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

Jimmie L Jones

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Jones Dam?

Jones 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 Jones Dam?

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

When was Jones Dam built?

Jones Dam was completed in 1992, making it 34 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 Jones Dam?

Jones 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 Jones Dam?

Jones Dam has a dam height of 27 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.