St Clair Flats Dikes

Krispin Drain· St. Clair, Michigan· Built 1964· Earth· 8 ft tall
Low Hazard Recreation State Government

Key Takeaway

St Clair Flats Dikes is classified as low hazard in Michigan. It was completed in 1964 and is 62 years old. Its primary use is recreation.

Physical Details

Dam Height 8 ft (taller than 7.3% in MI)
Dam Length66,000 ft
Dam TypeEarth
Max Storage21.6K acre-ft
Normal Storage2.7K acre-ft
Surface Area2,700 acres
Drainage Area0 sq mi
Max Discharge0 cfs
Year Completed1964 (62 years old)
NID IDMI01823

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 7, 2015
State Regulated: No

Ownership

MDNR Wildlife

State Government

Frequently Asked Questions

What is the hazard classification of St Clair Flats Dikes?

St Clair Flats Dikes 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 St Clair Flats Dikes?

St Clair Flats Dikes is owned by MDNR Wildlife (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was St Clair Flats Dikes built?

St Clair Flats Dikes was completed in 1964, making it 62 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 St Clair Flats Dikes?

St Clair Flats Dikes 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 St Clair Flats Dikes?

St Clair Flats Dikes has a dam height of 8 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 St Clair Flats Dikes last inspected?

St Clair Flats Dikes was last inspected on October 7, 2015. 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.