Research Guides: Water Resources and Hydrology: Regional, State & Federal Government Hydrological Resources

State Hydrology Resources

Michigan Water Quality
State of Michigan Department of Environmental Quality data, watersheds and reports.
Ohio Division of Water Resources
Ohio Department of Natural Resources water resources portal.
Indiana Department of Natural Resources
Indiana Department of Natural Resources water resources portal.
Great Lakes Research and Education Center
Part of the National Park Service, the Great Lakes Research and Eduction Center combines resources for the region.