(a) All water lines shall be above the level of sewer lines by at least one foot at all crossings and where laid in the same ditch shall be placed on a shelf at least three times the width of the pipe and one foot above the sewer pipe.
(b) House Connection. All house connections shall be a minimum of three-fourths inch of Type K copper tubing or polyethylene high density pipe 200# per square inch rating, known as service pipe or municipal pipe that can be flared for use with compression fittings.
(1980 Code 51.08)