Mills Lake Dam

Owen, Indiana· Built 1970· Earth· 20 ft tall
Significant Hazard Recreation Private

Key Takeaway

Mills Lake Dam is classified as significant hazard in Indiana. It was completed in 1970 and is 56 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 20 ft (taller than 23% in IN)
Dam Length285 ft
Dam TypeEarth
Max Storage0 acre-ft
Normal Storage73 acre-ft
Surface Area8 acres
Drainage Area1 sq mi
Max Discharge35 cfs
Year Completed1970 (56 years old)
NID IDIN00472

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: March 19, 2001
State Regulated: No

Ownership

Doug Shaffer

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Mills Lake Dam?

Mills Lake Dam is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Mills Lake Dam?

Mills Lake Dam is owned by Doug Shaffer (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Mills Lake Dam built?

Mills Lake Dam was completed in 1970, making it 56 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 Mills Lake Dam?

Mills Lake Dam 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 Mills Lake Dam?

Mills Lake 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 Mills Lake Dam last inspected?

Mills Lake Dam was last inspected on March 19, 2001. 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.