Application for a new system or for an extension, as described in Section 1042.01, shall be made in writing; shall state in detail the source of water supply and the number, nature and location of connections to be served (including dwelling units, schools and other public buildings and commercial and industrial establishments, together with the probable number of employees of each such establishment); shall be accompanied by two copies of a preliminary plat (measuring twenty- three inches by thirty-six inches) drawn to scale and showing the location and capacity of pumping stations, treatment plants and storage facilities, and the size, material and extent of proposed water distribution facilities, including mains, valves, fire hydrants and other appurtenances, together with such other pertinent information as the Board of Supervisors or its duly authorized representative may require; and shall show in sufficient detail the manner in which the applicant proposes to meet the standards set forth in Section 1042.03. Such plat shall be prepared and certified by an engineer duly authorized by the State to perform such work. Such application shall also be accompanied by a certificate from the County Zoning Administrator that the area to be served by the proposed installation has been officially zoned for the particular type or types of land use described in the application and shown on the accompanying plat.