Casson Pond Dam

TRIB GRINDSTONE CREEK· McDonough, Illinois· Built 1984· Earth· 26 ft tall
Low Hazard Other Private

Key Takeaway

Casson Pond Dam is classified as low hazard in Illinois. It was completed in 1984 and is 42 years old. Its primary use is other.

Physical Details

Dam Height 26 ft (taller than 47.1% in IL)
Dam Length315 ft
Dam TypeEarth
Max Storage73 acre-ft
Normal Storage12 acre-ft
Surface Area587 acres
Drainage Area0 sq mi
Max Discharge1,040 cfs
Year Completed1984 (42 years old)
NID IDIL50043

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 6, 2018
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

DALE A CASSON TRUST

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Casson Pond Dam?

Casson 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 Casson Pond Dam?

Casson Pond Dam is owned by DALE A CASSON TRUST (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Casson Pond Dam built?

Casson Pond Dam was completed in 1984, making it 42 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 Casson Pond Dam?

Casson Pond 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 Casson Pond Dam?

Casson Pond Dam has a dam height of 26 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 Casson Pond Dam last inspected?

Casson Pond Dam was last inspected on July 6, 2018. 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.