Lamb Lake Estates Dam

INDIAN CREEK· Johnson, Indiana· Built 1972· Earth· 82 ft tall
High Hazard Water Supply Recreation Private

Key Takeaway

Lamb Lake Estates Dam is classified as high hazard in Indiana. It was completed in 1972 and is 54 years old. Its primary use is water supply. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 82 ft (taller than 99.4% in IN)
Dam Length790 ft
Dam TypeEarth
Max Storage13.0K acre-ft
Normal Storage7.3K acre-ft
Surface Area309 acres
Drainage Area9 sq mi
Max Discharge27,030 cfs
Year Completed1972 (54 years old)
NID IDIN00133

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

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

Emergency Action Plan: Yes
Last Inspection: September 30, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

LAMB LAKE LOT OWNERS ASSOCIATION

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lamb Lake Estates Dam?

Lamb Lake Estates Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Lamb Lake Estates Dam?

Lamb Lake Estates Dam is owned by LAMB LAKE LOT OWNERS ASSOCIATION (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lamb Lake Estates Dam built?

Lamb Lake Estates Dam was completed in 1972, making it 54 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 Lamb Lake Estates Dam?

Lamb Lake Estates Dam serves the following purposes: Water Supply, Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Lamb Lake Estates Dam?

Lamb Lake Estates Dam has a dam height of 82 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 Lamb Lake Estates Dam last inspected?

Lamb Lake Estates Dam was last inspected on September 30, 2020. 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.