Grenville County OPP along with the OPP Community Drug Action Team, Tactical Response Unit and the North Grenville Fire Department were involved in a controlled drug and substance search at a residence on Rideau River Road in Kemptville late yesterday morning. At 11:20am police entered a residence and seized marijuana clones, marijuana plants and marijuana bud valued at about $21,000. A 50-year-old North Grenville man is charged with producing marijuana, possession for the purpose of trafficking and unauthorized possession of a firearm among other charges. Anyone with information is asked to contact the Grenville OPP or Crime Stoppers.