The annual DEA National Take-Back Initiative will happen from 10 AM to 2 PM on Saturday, April 29.
You can find more information and a link to search for a local collection site at https://www.deadiversion.usdoj.gov/drug_disposal/takeback/index.html. Many local police departments participate.
A recent paper (https://www.sciencedaily.com/releases/2016/11/161115111659.htm) found that collections such as this don’t do much to reduce the availability of diverted prescription drugs, probably because of low participation, so encourage your friends and family to clean out their medicine cabinets. Interestingly, these collections do act as an effective way of recycling over-the-counter medication.
If you want to run your own collection in Connecticut, you’ll need a one-day hazardous waste disposal permit (http://www.ct.gov/deep/cwp/view.asp?a=2718&q=437868