Hazardous Waste Collection date is coming up on 9/11/21 from 8:00am to noon at the Oconomowoc Public Works building, 630 S. Worthington Street. It is open to all residents of Waukesha County with a valid form of ID. Latex paint and non-hazardous materials will not be accepted. For more information, call (262) 896-8300 or visit www.waukeshacounty.gov/hazardouswaste.