- Institute of Water Research
- Gives background, publications, data access, and education opportunities.
- Michigan Groundwater Association
- Shows board of directors, by-laws, members, newsletters, and events.
- Michigan Underwater Preserve Council
- A nonprofit organization dedicated to the preservation of shipwrecks and artifacts in state waters. Includes photographs, maps, details, news, and scheduled events.
- NOAA Great Lakes CoastWatch
- A nationwide National Oceanic and Atmospheric Administration (NOAA) program within which the Great Lakes Environmental Research Laboratory (GLERL) functions as the Great Lakes regional node.
- NOAA Great Lakes Environmental Research Laboratory
- Conducts integrated, interdisciplinary environmental research in support of resource management and environmental services in coastal and estuarine waters, with a special emphasis on the Great Lakes.
- Sweetwater Visions
- Focusing on the Great Lakes Ecosystem. Includes information, books, and photo gallery.
- USGS Michigan Water Science Center
- Features water resources data, projects, publications, and real-time hydrology information.
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