Residents can drop off clean flat corrugated cardboard at the Environmental Convenience Centers and Rosemary Hill during normal business hours:

• Clay Hill Environmental Convenience Center, 5869 CR 218, Middleburg, open Thurs. – Sat., 7:30 AM-5:30 PM
• Doctor's Inlet Environmental Convenience Center, 288 Sleepy Hollow Rd, Middleburg, open Thurs. – Sat., 7:30 AM-5:30 PM
• Keystone Heights Environmental Convenience Center, 5505 CR 214, Keystone Heights, open Thurs. – Sat., 7:30 AM-5:30 PM
• Long Bay Environmental Convenience Center, 1589 Long Bay Rd, Middleburg, open Thurs. – Sat., 7:30 AM-5:30 PM
• Rosemary Hill Solid Waste Management Facility, 3545 Rosemary Hill Rd, Green Cove Springs, open Mon. – Sat., 7:30 AM-5:30 PM