Cilca Lake Dam

TRIB SANGAMON RIVER· Sangamon, Illinois· Built 1968· Earth· 43 ft tall
Low Hazard Recreation Private

Key Takeaway

Cilca Lake Dam is classified as low hazard in Illinois. It was completed in 1968 and is 58 years old. Its primary use is recreation.

Physical Details

Dam Height 43 ft (taller than 86.6% in IL)
Dam Length505 ft
Dam TypeEarth
Max Storage164 acre-ft
Normal Storage126 acre-ft
Year Completed1968 (58 years old)
NID IDIL00806

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 5, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CAMP CILCA

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cilca Lake Dam?

Cilca 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 Cilca Lake Dam?

Cilca Lake Dam is owned by CAMP CILCA (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cilca Lake Dam built?

Cilca Lake Dam was completed in 1968, making it 58 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 Cilca Lake Dam?

Cilca 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 Cilca Lake Dam?

Cilca Lake Dam has a dam height of 43 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 Cilca Lake Dam last inspected?

Cilca Lake Dam was last inspected on May 5, 2021. 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.