The article provides data on water resources in Illinois for the year 1993. It includes information on stream flow, lake levels, groundwater quality, and more. The researchers collected data from various monitoring stations across the state to track water levels, quality, and other important factors. The findings show discharge rates for multiple streamflow stations, lake levels, water quality records for streams and wells, and groundwater levels. This data helps us understand the state's water resources and how they change over time.