On Saturday, April 24, Harford County will participate in the 20th National Drug Take Back Day. Help us keep drugs from being misused and keep them from harming the environment by dropping off your unused prescription and over-the-counter medications, vitamins, and even pet medicines for safe disposal from 10 a.m. – 2 p.m. at any one the following locations: Harford County Government Building at 220 S. Main Street in Bel Air; Bel Air Police Department, 39 N. Hickory Avenue; Havre de Grace Police Department, 715 Pennington Avenue; and Wegmans, 21 Wegmans Boulevard in Abingdon.