The owner or occupant of property within City boundaries that is subject to a charge imposed by the Clean Water Services District for use of the regional sanitary sewerage system, shall pay to the City a charge for the City’s repair and replacement of the City’s system in addition to and not in lieu of any similar sanitary sewer maintenance charge imposed by the District. The charge shall be that amount determined by the council from time to time to be an equitable share of the City’s actual costs to repair and replace that portion of the regional system which the City owns and is responsible to maintain, the equitable share to be calculated according to the number of dwelling unit equivalents on the property. For definition purposes of this ordinance, “dwelling unit equivalent” has the meaning shown in Clean Water Services’ Resolution and Order No. 05 23, titled Clean Water Services Rates and Charges, or current adopted version of same. [BC 4.04.060, added by Ordinance No. 4371, 11/7/05]