Waverly City Lake Dam

WOODS CREEK· Morgan, Illinois· Built 1939· Earth· 35 ft tall
Low Hazard Water Supply Local Government

Key Takeaway

Waverly City Lake Dam is classified as low hazard in Illinois. It was completed in 1939 and is 87 years old. Its primary use is water supply.

Physical Details

Dam Height 35 ft (taller than 76.2% in IL)
Dam Length496 ft
Dam TypeEarth
Max Storage2.5K acre-ft
Normal Storage809 acre-ft
Surface Area64 acres
Drainage Area9 sq mi
Max Discharge14,520 cfs
Year Completed1939 (87 years old)
Year Modified1983
NID IDIL00716

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: Yes
Last Inspection: May 18, 2023
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF WAVERLY

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Waverly City Lake Dam?

Waverly City 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 Waverly City Lake Dam?

Waverly City Lake Dam is owned by CITY OF WAVERLY (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Waverly City Lake Dam built?

Waverly City Lake Dam was completed in 1939, making it 87 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 Waverly City Lake Dam?

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

How tall is Waverly City Lake Dam?

Waverly City Lake Dam has a dam height of 35 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 Waverly City Lake Dam last inspected?

Waverly City Lake Dam was last inspected on May 18, 2023. 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.