No well shall be located nearer than 100 feet from any inhabited private dwelling house without written consent of the owner; nearer than 150 feet from any public building or area which may be used as a place of resort, assembly, education, entertainment, lodging, trade, manufacture, repair, storage, traffic or occupancy by the public; nearer than 75 feet to the traveled part of any State, county, township, or municipal road or any public street, road or highway; or nearer than 50 feet from any public stream, river or other body of water. This regulation, which is adopted in the interest of public safety, does not apply to a building or structure which is incident to agricultural use of the land on which it is located, unless such building is used as a private dwelling house or in the business of retail trade.