Spring Clean-Up Day in Denver will be held on April 26th between 8:00 a.m. and noon. This event will be held at the end of West Main Street and Transit Street. There will be fees for appliances, tires, and rims. Concrete, yard waste, batteries, paint, and other hazardous materials will not be accepted. This event is only open to those living within city limits and proof of residency may be required.