Well Repair Specialist - Concord NC. Well Doctor LLC is a full-service well repair and water treatment company located in Mount Pleasant NC and serving all the rural areas surrounding Charlotte, from Waxhaw/Marvin to Lake Norman, Mooresville and beyond! If you're searching online for well repair Mooresville NC or a related service, look no further. Our certified well pump repair specialists are trained and experienced in just about every type of well water issue.