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Maintaining a diversity of beneficial plants is as important as controlling nuisance and exotic species. In order to evaluate the overall health of the aquatic plant community in Sanford Lake, assessments have been conducted periodically since 2002 in accordance with the Michigan Department of Environmental Quality Procedures for Aquatic Vegetation Surveys. With these procedures, the distribution and relative abundance of all plant species is recorded. As indicated in the graphs below, Sanford Lake maintains a good diversity of native submersed plants. Remember, the goal of the Sanford Lake plant control program is to prevent the spread of invasive and exotic plants while maintaining beneficial plant species.