Lakes & Watersheds

 ​Michigan Inland Lakes and Streams Water Quality Database

Browse a searchable database of the EPA's How's My Waterway application to learn about surface water quality in Michigan's lakes and streams.


Learn more about groundwater movement with this educational animation (must have Adobe Flash Player enabled to view).

The Oakland County Health Division offers a service to Oakland County residents for testing surface waters for E. coli bacteria for a nominal fee. Click here for more information.

 Applicable Environmental Permit and Water Law Information:

Michigan Department of Environment, Great Lakes and Energy (EGLE) approval is needed for any alterations at or below the water's edge or in wetlands. Visit the EGLE's Land and Water Resource Division Web site to learn more and to download application forms.