Section 62-04-07-04 - Protection of potable water supply1.General. A potable water supply system shall be designed, installed, and maintained in such manner as to prevent contamination from nonpotable liquids, solids, or gases from being introduced into the potable water supply through cross-connections or any other piping connections to the system. 2.Interconnections. Interconnection between two or more public water supplies shall be permitted only with the approval of the health authority having jurisdiction. 3.Cross-connection control. Cross-connections are prohibited except when and where, as approved by the authority having jurisdiction, suitable protective devices are installed, tested, and maintained to insure proper operation on a continuing basis. 4.Individual water supplies. Cross-connections between an individual water supply and a potable public supply shall not be made unless specifically approved by the authority having jurisdiction. 5.Toxic materials. Piping conveying potable water shall be constructed of nontoxic material. 6.Chemicals and other substances. No chemicals or other substances that could produce either toxic conditions, taste, odor, or discoloration in a potable water system shall be introduced into or used in such systems. 7.Painting of water tanks. The interior surface of a potable water tank shall not be lined, painted, or repaired with any material which will affect either the taste, odor, color, or potability of the water supply when the tank is placed in or returned to service. 8.Used piping. Piping which has been used for any other purpose than conveying potable water shall not be used for conveying potable water. General Authority: NDCC 43-18.1-03
Law Implemented: NDCC 43-18.1-04
N.D. Admin Code 62-04-07-04