Rural Kings County residents concerned about their drinking water may sign up to have their wells tested for free at an event to be held at 5:30 p.m. March 18. The Kings Water Alliance is hosting the informational event for residents to apply to have their wells tested for nitrate contamination. The event will be held at the Kings Cultural Center, 14054 Front Street, Armona. The well testing program is free for Kings County residents who rely on wells for drinking water. The alliance has offered its free program to residents in portions of Fresno and Tulare Counties and a small northeast portion of Kings County.