The Black Hawk County Solid Waste Management Commission will co-sponsor the spring Household Hazardous Materials Drop-off and Electronics Recycling Drop-off with the City of Waterloo on Saturday, April 13th from 9:00AAM - 2:00PM. The drop-off will take place at the Waterloo Waste Water Treatment Plant at 3505 Easton Ave., Waterloo, however the drop-off is open to all Black Hawk County citizens for residential disposal/recycling. This event will not accept business waste. View the list of accepted items here. View the event brochure here.