The official water or wastewater service area for the city is that area of the city within the boundaries of the city and currently served by city water and sewer, any areas presently served outside the city and any subsequently approved amendments thereto. A map depicting the water service area adopted herein, and any enlargements that may be from time to time approved by the city commission, shall be made available at all times for public inspection during regular working hours at the city engineering office, 316 North Park Avenue, Helena, Montana. A map depicting the wastewater service area shall be developed and maintained in the same manner. (Ord. 2400, 4-20-1986)