Pumping equipment of a public water system, for water which is not subject to later treatment, shall be installed and operated to prevent contamination of the public water system. Whenever priming is necessary, such pump shall be primed with water meeting the requirements of sections 5-1.51 and 5-1.52 of this Subpart.
N.Y. Comp. Codes R. & Regs. Tit. 10 §§ 5-1.29