Diebert-Hortsman Lake Dam

TRIB SUGAR CREEK· Clinton, Illinois· Built 1974· Earth· 31 ft tall
Low Hazard Other Private

Key Takeaway

Diebert-Hortsman Lake Dam is classified as low hazard in Illinois. It was completed in 1974 and is 52 years old. Its primary use is other.

Physical Details

Dam Height 31 ft (taller than 66.2% in IL)
Dam Length395 ft
Dam TypeEarth
Max Storage321 acre-ft
Normal Storage205 acre-ft
Year Completed1974 (52 years old)
NID IDIL00855

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: May 25, 5023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CLARENCE DIEBERT & EUGENE HORTSMAN

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Diebert-Hortsman Lake Dam?

Diebert-Hortsman 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 Diebert-Hortsman Lake Dam?

Diebert-Hortsman Lake Dam is owned by CLARENCE DIEBERT & EUGENE HORTSMAN (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Diebert-Hortsman Lake Dam built?

Diebert-Hortsman Lake Dam was completed in 1974, making it 52 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 Diebert-Hortsman Lake Dam?

Diebert-Hortsman Lake Dam serves the following purposes: Other. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Diebert-Hortsman Lake Dam?

Diebert-Hortsman Lake Dam has a dam height of 31 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 Diebert-Hortsman Lake Dam last inspected?

Diebert-Hortsman Lake Dam was last inspected on May 25, 5023. 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.