Data for the Nutrient Impairment and Surface Water Intake Viewer

Click below to download data on source water protection planning across the Great Lakes Basin. 

The USGS Water Use Data for the Nation includes data on water use across the United States.

River segments, lakes, and estuaries designated under Section 303(d) of the Clean Water Act in Lake Michigan Basin (MI and WI).

The Water Finance Clearinghouse allows communities to access information and resources for water infrastructure and services, including funding sources and reports. The Clearinghouse contains information on watershed protection and source water.

The USGS's Daily Streamflow Conditions dataset includes data on streamflow at 9,936 sites across the United States.

The Streams and Waterbodies of the United States data layer shows the location of water features throughout the United States, Puerto Rico, and U.S. Virgin Islands

The Groundwater Contours of Michigan dataset includes individual county datasets of the elevation of the water table (first water) encountered every 30 meter across the landscape.

The Minnesota Department of Health provides GIS shapefiles on drinking water protection area, as well sampling results of manganese, radionuclides, nitrates.

The NHD displays the drainage network, specifically rivers, streams, canals, lakes, ponds, coastline, dams, and streamgages in the United States.