Dellitt Lake Dam

TRIB POPE CREEK· Mercer, Illinois· Built 1975· Earth· 31 ft tall
Low Hazard Recreation Private

Key Takeaway

Dellitt Lake Dam is classified as low hazard in Illinois. It was completed in 1975 and is 51 years old. Its primary use is recreation.

Physical Details

Dam Height 31 ft (taller than 66.2% in IL)
Dam Length197 ft
Dam TypeEarth
Max Storage51 acre-ft
Normal Storage35 acre-ft
Year Completed1975 (51 years old)
NID IDIL01135

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: July 28, 2015
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

DAVID L. COOPER

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Dellitt Lake Dam?

Dellitt 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 Dellitt Lake Dam?

Dellitt Lake Dam is owned by DAVID L. COOPER (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Dellitt Lake Dam built?

Dellitt Lake Dam was completed in 1975, making it 51 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 Dellitt Lake Dam?

Dellitt 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 Dellitt Lake Dam?

Dellitt 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 Dellitt Lake Dam last inspected?

Dellitt Lake Dam was last inspected on July 28, 2015. 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.