The Dorchester County Sanitary District, Inc., may: Construct, buy, own, hold, lease, repair, maintain, improve, and operate a shared facility; and Contract with any person, any agency of the federal government or this State, or any municipality for services that relate to the facility. The shared facility may be built only: Outside an incorporated area of Dorchester County; and Outside a service area; or If inside a service area, to serve territory that the Sanitary Commission determines is not feasible to serve with an existing project. The shared facility may not serve more than 14 single family residences or their equivalent.