Lloyd Keller

TR EAU PLEINE· Marathon, Wisconsin· Built 1966· Earth· 10 ft tall
Low Hazard Recreation Private

Key Takeaway

Lloyd Keller is classified as low hazard in Wisconsin. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 10 ft (taller than 17.3% in WI)
Dam Length1,020 ft
Dam TypeEarth
Max Storage80 acre-ft
Normal Storage20 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Max Discharge90 cfs
Year Completed1966 (60 years old)
NID IDWI00487

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: Yes
Last Inspection: September 16, 2010
State Regulated: Yes
Regulatory Agency: WIDNR

Ownership

Greenberg Farms, LTD

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lloyd Keller?

Lloyd Keller 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 Lloyd Keller?

Lloyd Keller is owned by Greenberg Farms, LTD (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lloyd Keller built?

Lloyd Keller was completed in 1966, making it 60 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 Lloyd Keller?

Lloyd Keller serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lloyd Keller?

Lloyd Keller has a dam height of 10 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 Lloyd Keller last inspected?

Lloyd Keller was last inspected on September 16, 2010. 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.