Join the city Saturday, April 18, 2026, from 9:30 AM to 4 PM, where hundreds of volunteers, in partnership with the Denver, Lakewood, and Aurora Police Departments and sponsors like Waste Management of Colorado, will work together to clean up over 13 miles of Colfax Avenue to improve health, safety, and beautification across the tri-city area; after the large-scale cleanup effort, participants are invited to a fellowship meal with law enforcement and community partners, and volunteers can support the cause through signing up and optionally purchasing event merchandise like a special “Wash The City” t-shirt.