Republic Mine Tailings Pond Dams

Tributary to Michigamme River· Marquette, Michigan· Built 1960· Earth· 91 ft tall
Low Hazard Tailings Private

Key Takeaway

Republic Mine Tailings Pond Dams is classified as low hazard in Michigan. It was completed in 1960 and is 66 years old. Its primary use is tailings.

Physical Details

Dam Height 91 ft (taller than 99.3% in MI)
Dam Length22,300 ft
Dam TypeEarth
Max Storage880 acre-ft
Normal Storage8.0K acre-ft
Surface Area220 acres
Max Discharge200 cfs
Year Completed1960 (66 years old)
NID IDMI00578

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: January 1, 1901
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Marquette Iron Mining Partnership

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Republic Mine Tailings Pond Dams?

Republic Mine Tailings Pond Dams 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 Republic Mine Tailings Pond Dams?

Republic Mine Tailings Pond Dams is owned by Marquette Iron Mining Partnership (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Republic Mine Tailings Pond Dams built?

Republic Mine Tailings Pond Dams was completed in 1960, making it 66 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 Republic Mine Tailings Pond Dams?

Republic Mine Tailings Pond Dams serves the following purposes: Tailings. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Republic Mine Tailings Pond Dams?

Republic Mine Tailings Pond Dams has a dam height of 91 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 Republic Mine Tailings Pond Dams last inspected?

Republic Mine Tailings Pond Dams was last inspected on January 1, 1901. 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.