If you are ready to dump your Christmas Tree in Sioux Falls here's how to do it for free. Now through Sunday, January 10, 2021, the Sioux Falls Regional Sanitary Landfill will offer two sites for residents to drop off their “Real” Christmas trees. No artificial trees accepted. There is no cost. Drop-Off Hours: Monday through Saturday, 9 a.m. to 5 p.m., and Sundays, 12 noon to 5 p.m. The sites will be closed on New Year's Day, Friday, January 1, 2021. Two Drop-Off Locations: East Side at 1015 East Chambers Street West of Cliff Ave. by the Household Hazardous Waste Facility. Access is available from North Drive to East Ash Street to Chambers Street, and from North Cliff Avenue to Chambers Street. The driveway just west of the Household Hazardous Waste Facility will be the only access point.