The report provides data on water resources in Minnesota for the year 1986. It includes information on stream flow, lake levels, water quality, and groundwater levels. The data was collected from various monitoring stations across the state. Key findings include records of discharge for 53 gaging stations, lake levels for 8 lakes, water quality for multiple stations, and groundwater levels for 136 observation wells. Additionally, there were stations monitoring high-flow and low-flow conditions in streams.