Essential services shall be categorized as follows: on-lot facilities, area facilities, and plants, and shall be subject to the following:
A. On-lot facilities shall consist of sewer laterals, telephone lines, water connections, and so on, that connect the use on the lot to the utility or essential services. On-lot essential services shall be considered accessory uses or structures that are customary to the primary use.
B. Area facilities shall consist of telephone transfer stations, electrical transmission connectors, and other small structures or facilities necessary for area dissemination of the utility or essential services. These shall be permitted, subject to the following conditions:
(1) The lot shall be capable of meeting minimum area requirements or shall be legally part of another conforming lot so that, in the event the facility is no longer necessary, the lot will be usable according to the district regulations;
(2) The proposed facility is necessary;
(3) The proposed facility will be landscaped or designed to conform with its surroundings and the neighborhood; and
(4) Access to the facility will be adequate.
C. Plants or other major facilities for generating, storing or treating shall meet all requirements for the district in which they are located. These shall be permitted only in the Industrial District.