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All About Lakes

Michigan is truly a water wonderland. This page includes various facts and figures about Michigan’s lakes along with links to other sites and information sources.

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The Great Lakes and the inland lakes and streams of Michigan are a product of glacial activity that ended about 10,000 years ago. In geologic terms, Michigan's lakes are in their infancy.

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Sergey Gabdurakhmanov

Lake Baikal in Russia is estimated to be 25 to 30 million years old.

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National Park Service

The Grand Canyon is millions of years old and counting.


Click here or on the photo for Spring Lake's watercraft controls.


Click here or on the image for the Spring Lake Yacht Club website. was created as a resource for those interested in Michigan’s inland lakes.

Michigan Lake Stewardship Association (MLSA) Dedicated to the preservation and protection of Michigan's inland lakes and streams.

Michigan Chapter of the North American Lake Management Society (McNALMS) The purpose of McNALMS is to promote understanding and comprehensive management of Michigan's inland lake ecosystems.

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Chart prepared by Progressive AE. Data source: Michigan Geographic Data Library.

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Canada geese and how to deal with them.

Find out more about fish kills.

Foam? Why is there foam on the water?

Information about algae growth.

That stuff floating on the lake surface? It could be pollen.

Map prepared by Progressive AE.

Data source: Michigan Geographic Data Library.

History's Impact on Michigan Lakes

Widespread clearcut logging led to massive erosion and caused tons of sediment to wash into Michigan's lakes and streams. For most lakes, that sediment permanently settled to the lake bottom, making lakes shallower and helping to stimulate nuisance plant growth.


National Park Service


Michigan DNR

As Michigan's population grew, development near lakes became, and continues to be, a primary threat to lake water quality. In fact, excessive shoreline development has been identified by the U.S. Environmental Protection Agency as one of the most significant stressors of Michigan lakes. In a recent assessment of Michigan’ lakes published by the U.S. Geological Survey, about 20% of Michigan lakes were oligotrophic, more than 50% were mesotrophic, and about 30% were eutrophic.

Want to Know More? was created as a resource for those interested in Michigan’s inland lakes. On the site you can find information about lake water quality, lake and watershed management, aquatic biology, invasive species, emerging issues, links to other sites and more. Information posted on the site has been thoroughly researched and designed to provide pertinent facts and figures about Michigan’s lakes in a readily downloadable format. Please visit the site and learn more about Michigan’s lakes.

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