Illinois State Water Survey (ISWS)

The Illinois State Water Survey (ISWS) is a Division of the Institute for Natural Resources Sustainability (INRS) of the University of Illinois at Urbana-Champaign (UIUC). The Water Survey has flourished for more than a century by anticipating and responding to new challenges and opportunities to serve the citizens of Illinois. Today, the ISWS continues to demonstrate flexibility and adaptability by developing new programs, while continuing to provide long-standing services upon which Illinoisans have come to rely.