System-wide replacement of water meters to incorporate new technology and improve the accuracy of meter readings shall be done at the expense of the Water Division. The new meters shall be considered property of the Water Division. The cost of replacing water meters which become unrepairable due to discontinuance of repair parts or which are worn beyond repair by usage shall be replaced at the Water Division’s expense. (Code 1981 § 44-109. Code 1995 § 146-103.)