Humm Lake Dam

TRIB HOBBS CREEK· Hardin, Illinois· Built 1966· Earth· 17 ft tall
Low Hazard Recreation Private

Key Takeaway

Humm Lake Dam is classified as low hazard in Illinois. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 17 ft (taller than 22.3% in IL)
Dam Length525 ft
Dam TypeEarth
Max Storage58 acre-ft
Normal Storage45 acre-ft
Year Completed1966 (60 years old)
NID IDIL00029

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: October 3, 2019
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

RAYMOND HUMM

Private

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Frequently Asked Questions

What is the hazard classification of Humm Lake Dam?

Humm Lake 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 Humm Lake Dam?

Humm Lake Dam is owned by RAYMOND HUMM (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Humm Lake Dam built?

Humm Lake Dam 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 Humm Lake Dam?

Humm 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 Humm Lake Dam?

Humm Lake Dam has a dam height of 17 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 Humm Lake Dam last inspected?

Humm Lake Dam was last inspected on October 3, 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.