Mattson Dam

JORDAN BRANCH-TR· Miami, Kansas· Built 1975· 26 ft tall
Low Hazard Private

Key Takeaway

Mattson Dam is classified as low hazard in Kansas. It was completed in 1975 and is 51 years old.

Physical Details

Dam Height 26 ft (taller than 50.5% in KS)
Dam Length450 ft
Max Storage125 acre-ft
Normal Storage87 acre-ft
Surface Area9 acres
Drainage Area0 sq mi
Year Completed1975 (51 years old)
NID IDKS04583

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: February 22, 2006
State Regulated: No
Regulatory Agency: KS Dept. of Agriculture

Ownership

MATTSON, JAMES E

Private

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Frequently Asked Questions

What is the hazard classification of Mattson Dam?

Mattson 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 Mattson Dam?

Mattson Dam is owned by MATTSON, JAMES E (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mattson Dam built?

Mattson Dam was completed in 1975, making it 51 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Mattson Dam?

Mattson Dam has a dam height of 26 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 Mattson Dam last inspected?

Mattson Dam was last inspected on February 22, 2006. 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.