From Harford County government:
In conjunction with National Prescription Drug Take Back Day, Harford County Government is holding a County-wide Prescription Drug Take Back Day this Saturday, September 26th, from 10 AM -to- 2PM. Any leftover prescription and over the counter medicines may be turned in at the following locations:
Harford County Government Office Building parking lot, 220 S. Main Street, Bel Air
Havre de Grace Police Station, 715 Pennington Avenue, Havre de Grace
Maryland State Police Barrack D, 1401 Belair Road, Bel Air.
See attached flyer for additional information. If you have questions, please contact the Office of Drug Control Policy at 410-638-3333.