ยง 172. Plumbing and drainage. All liquid or water-borne waste from
plumbing fixtures shall be conveyed by a house drain and house sewer to
a street sewer or to a combined street storm water main and sewer,
unless no such sewers are available. Where neither kind of sewer is
available, provision shall be made for disposing of such waste as may be
permitted pursuant to article five of the public health law and as
required by local law or ordinance.