A16 Pond Dam

Unnamed Stream· Williamson, Illinois· Built 1970· Earth· 13 ft tall
Low Hazard Fish And Wildlife Pond Federal Government

Key Takeaway

A16 Pond Dam is classified as low hazard in Illinois. It was completed in 1970 and is 56 years old. Its primary use is fish and wildlife pond.

Physical Details

Dam Height 13 ft (taller than 12.5% in IL)
Dam Length1,260 ft
Dam TypeEarth
Max Storage407 acre-ft
Normal Storage110 acre-ft
Surface Area22 acres
Drainage Area2 sq mi
Max Discharge4,430 cfs
Year Completed1970 (56 years old)
NID IDIL00123

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: June 20, 2011
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

US FISH AND WILDLIFE SERVICE

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of A16 Pond Dam?

A16 Pond 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 A16 Pond Dam?

A16 Pond Dam is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was A16 Pond Dam built?

A16 Pond Dam was completed in 1970, making it 56 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 A16 Pond Dam?

A16 Pond Dam serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is A16 Pond Dam?

A16 Pond Dam has a dam height of 13 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 A16 Pond Dam last inspected?

A16 Pond Dam was last inspected on June 20, 2011. 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.