MSU Center for Water Sciences
Site provides links to historical and real-time data for the USGS monitoring stations in MI.
Site sponsored by the Great Lakes Commission that provides access to data and reports on water use in the Great Lakes basin.
This site is an interactive map-based system that allows users to view information about Michigan’s surface water. Users are able to view and download data collected by the DEQ and DNR from surface water monitoring sites located throughout Michigan.
DEQ site provides links to water assessment reports for the state, grant programs, and monitoring guidelines, and water quality data.
A biennial report to EPA assessing the status of waters in Michigan.
Site provides links to lake level data (current and historical), coastal issues, weather and flood information.
Groundwater inventory and maps for the state of Michigan