Lake Assessment Report - Sullivan Lake 1992, Morrison County, Minnesota

Sullivan Lake is located in Central Minnesota near the town of Harding, Minnesota in Morrison County. The lake is 1,119 acres with a maximum depth of 56 feet. The watershed consists of 21,855 acres with forested land as the primary land use. Sullivan Lake was sampled during the summer of 1992 by the Minnesota Pollution Control Agency (MPCA) staff and members of the Sullivan Lake Association as a part of the Lake Assessment Program (LAP). Water quality data collected during this study indicate that Sullivan Lake is mesotrophic with a mean total phosphorus concentration of 23.8 ug/l, a summer mean Secchi transparency of 8.1 feet and a mean chlorophyll a of 8.06 ug/l.