According to the 2010 iCAP, non-potable sources of water will utilized when appropriate, including connecting the existing raw water system by 2020. Such sources of non-potable water include untreated raw water, sump pump discharge, cooling tower wastewater, stormwater, and greywater. Before utilizing such sources, the University must conduct research to understand how non-potable water may be used within the constraints of the Illinois state laws.