Hidden Point Dam

TRIB LITTLE LAMARSH CREEK· Peoria, Illinois· Earth· 39 ft tall
High Hazard Recreation Private

Key Takeaway

Hidden Point Dam is classified as high hazard in Illinois. Its primary use is recreation. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 39 ft (taller than 82.3% in IL)
Dam Length395 ft
Dam TypeEarth
Max Storage62 acre-ft
Normal Storage39 acre-ft
Surface Area3 acres
Drainage Area0 sq mi
Max Discharge135 cfs
NID IDIL50507

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: May 10, 2021
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

HIDDEN POINT INVESTMENTS

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hidden Point Dam?

Hidden Point Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hidden Point Dam?

Hidden Point Dam is owned by HIDDEN POINT INVESTMENTS (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Hidden Point Dam?

Hidden Point 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 Hidden Point Dam?

Hidden Point Dam has a dam height of 39 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 Hidden Point Dam last inspected?

Hidden Point Dam was last inspected on May 10, 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.