***UPDATE 5/9/2024*** 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.