Lottes Lake Dam

PATOKA RIVER· Dubois, Indiana· Built 1937· Earth· 23 ft tall
Significant Hazard Private

Key Takeaway

Lottes Lake Dam is classified as significant hazard in Indiana. It was completed in 1937 and is 89 years old. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 23 ft (taller than 35.8% in IN)
Dam Length630 ft
Dam TypeEarth
Max Storage153 acre-ft
Normal Storage109 acre-ft
Surface Area13 acres
Drainage Area0 sq mi
Max Discharge164 cfs
Year Completed1937 (89 years old)
NID IDIN00303

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: January 30, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

THE LOTTES FAMILY TRUST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lottes Lake Dam?

Lottes 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 Lottes Lake Dam?

Lottes Lake Dam is owned by THE LOTTES FAMILY TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lottes Lake Dam built?

Lottes Lake Dam was completed in 1937, making it 89 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

How tall is Lottes Lake Dam?

Lottes Lake Dam has a dam height of 23 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 Lottes Lake Dam last inspected?

Lottes Lake Dam was last inspected on January 30, 2019. 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.