ARSD 74:02:04:42. General requirements for well casing

All casing and casing connections shall be of new materials or of a condition equal to new materials. Casing materials may be thermoplastic, steel, nonferrous metal, fiberglass, precast curbing, or concrete. All casing and screen lengths shall be joined by fittings or methods recommended by the casing manufacturer. Except for well casing described in § 74:02:04:46, the joints must be straight and watertight. Casing may only be used under conditions that meet manufacturers' recommendations and specifications for its type.