The City of Thornton does not maintain an RV dump station. Thornton residents may use the City of Westminster RV Dump Station, located at the Big Dry Creek Wastewater Facility -- 13150 Huron Street. The fee to use the facility is $50 for Westminster non-residents.
For information on the how to buy an access card and hours, go to the Westminster Web site and type “rv dump” into their search box.