Heartland Oaks 1 Dam

TRIB RICHLAND CREEK· St. Clair, Illinois· Earth· 29 ft tall
Low Hazard Recreation Private

Key Takeaway

Heartland Oaks 1 Dam is classified as low hazard in Illinois. Its primary use is recreation.

Physical Details

Dam Height 29 ft (taller than 58.2% in IL)
Dam Length700 ft
Dam TypeEarth
Max Storage400 acre-ft
Normal Storage0 acre-ft
Surface Area23 acres
Drainage Area0 sq mi
NID IDIL50541

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: May 15, 2018
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

DAVIDSON & WINKLER & MASCHOFF

Private

Nearby Dams

New West Fork Club Lake Dam

St. Clair, IL

Low Hazard 15 ft

Heartland Oaks 2 Dam

St. Clair, IL

Low Hazard 15 ft

Smithton Sportsmans Club Lake Dam

St. Clair, IL

Low Hazard 26 ft

Willow Wood Lake Dam

St. Clair, IL

Low Hazard 36 ft

Arrowwood Lake Dam

St. Clair, IL

Low Hazard 28 ft

Wildwood Lake Estates Dam

St. Clair, IL

Significant Hazard 35 ft

Far Oaks Lake Dam

St. Clair, IL

Significant Hazard 26 ft

Mueth Lake Dam

St. Clair, IL

Low Hazard 30 ft

Frequently Asked Questions

What is the hazard classification of Heartland Oaks 1 Dam?

Heartland Oaks 1 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 Heartland Oaks 1 Dam?

Heartland Oaks 1 Dam is owned by DAVIDSON & WINKLER & MASCHOFF (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of Heartland Oaks 1 Dam?

Heartland Oaks 1 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 Heartland Oaks 1 Dam?

Heartland Oaks 1 Dam has a dam height of 29 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 Heartland Oaks 1 Dam last inspected?

Heartland Oaks 1 Dam was last inspected on May 15, 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.