Collect FREE Compost Wednesday, April 26 (10am-3pm) in Grayslake. The U of IL Extension, SWALCO and Master Gardeners of Lake County host a free giveaway of compost for your soil. Limited to 20 gallons per household and Lake County residents who bring their own containers. Location: 100 US Hwy 45 in Grayslake. Call 847-377-4954 for information.