News Prescription Drug Drop-off Day huge success SHARE ON: Smith Autumn, contributor, Wednesday, May. 21st, 2014 The Haliburton Highlands OPP detachment was among the 70 that participated in Prescription Drug Drop Off day. OPP are saying the province wide initiative was a huge success. Almost 140 kg of medications were received. The OPP says it helped to raise awareness about the dangers of keeping unused medications.