Hinz Pond Dam

TRIB GRASSY CREEK· Union, Illinois· Built 1966· Earth· 26 ft tall
Low Hazard Recreation Private

Key Takeaway

Hinz Pond Dam is classified as low hazard in Illinois. It was completed in 1966 and is 60 years old. Its primary use is recreation.

Physical Details

Dam Height 26 ft (taller than 47.1% in IL)
Dam Length410 ft
Dam TypeEarth
Max Storage72 acre-ft
Normal Storage54 acre-ft
Year Completed1966 (60 years old)
NID IDIL00934

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: October 29, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

HERBERT HINZ

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hinz Pond Dam?

Hinz 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 Hinz Pond Dam?

Hinz Pond Dam is owned by HERBERT HINZ (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hinz Pond Dam built?

Hinz Pond Dam was completed in 1966, making it 60 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 Hinz Pond Dam?

Hinz Pond 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 Hinz Pond Dam?

Hinz 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 Hinz Pond Dam last inspected?

Hinz Pond Dam was last inspected on October 29, 2020. 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.