ILM provided follow-up test results for the concentration of Sonar in Bangs lake as of 5/6/2024. The concentration remains at the targeted level. Based on ILM's recommendation, lake irrigation is no longer restricted. The next test date is 5/20/2024.
More information on the Sonar herbicide is in the FAQ available
here or contact the Department of Public Works at 847-526-9610.