Steve Wilson, Illinois State Water Survey Steve Wilson is a groundwater hydrologist at the ISWS. He has a Masters Degree in Civil Engineering from the University of Illinois. Mr. Wilson has been involved in numerous groundwater assessment projects dealing with both groundwater quantity and quality issues. He recently completed an evaluation of the statewide arsenic occurrence in groundwater and is working with ISWS staff to assist in the development of GWINFO, a program to integrate groundwater data into a SQL-based system for archival, entry, and retrieval of groundwater data.