The Upper Midwest Water Science Center collects, analyzes, and distributes data on a variety of water-related issues and resources. Much of our data is publicly available through the USGS National Water Information System (NWIS):
Surface water: MI • MN • WI
Groundwater: MI • MN • WI
Water quality: MI • MN • WI
Water use: MI • MN • WI
NWIS site inventory: MI • MN • WI
USGS Water-Data Quick Links
Explore the sites below to access other USGS water data tools and repositories: