Hematite Lake Dam

ST FRANCOIS RIVER· St. Francois, Missouri· Built 1944· Gravity· 24 ft tall
Low Hazard Water Supply Private

Key Takeaway

Hematite Lake Dam is classified as low hazard in Missouri. It was completed in 1944 and is 82 years old. Its primary use is water supply.

Physical Details

Dam Height 24 ft (taller than 20.3% in MO)
Dam TypeGravity
Max Storage2.8K acre-ft
Normal Storage1.8K acre-ft
Surface Area220 acres
Drainage Area10,250 sq mi
Year Completed1944 (82 years old)
NID IDMO30001

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
State Regulated: No

Ownership

HANNA MINING CO

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hematite Lake Dam?

Hematite Lake 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 Hematite Lake Dam?

Hematite Lake Dam is owned by HANNA MINING CO (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hematite Lake Dam built?

Hematite Lake Dam was completed in 1944, making it 82 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 Hematite Lake Dam?

Hematite Lake Dam serves the following purposes: Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hematite Lake Dam?

Hematite Lake Dam has a dam height of 24 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.

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.