The following requirements shall govern sanitary sewage disposal:
(l) All laws, regulations and guidelines set forth by the Logan County General Health District and the Ohio Environmental Protection Agency, and any future laws, regulations and guidelines deemed necessary for the protection of public health shall be followed as they become effective.
(2) Where an adequate public sanitary sewerage system, in the determination of the City Planning Commission, is reasonably accessible, public sanitary sewers approved by the Ohio Environmental Protection Agency shall be installed to adequately serve all lots, including lateral connections to the public system. Public sewerage system extension shall meet the requirements of the Ohio Environmental Protection Agency and City standards.
(3) In the event the installation of individual disposal systems shall be considered, the number of lots in a subdivision shall be governed by the following conditions:
A. The soil type in the subdivision;
B. The existing drainage conditions of the soil;
C. The existing surface drainage;
D. The absorptive ability of the soil;
E. The possible installation of artificial means of subsurface drainage; and
F. The existing topography.
(4) Where on-site sewage disposal facilities are to be used, each lot so served shall be of a size and shape to accommodate the necessary length of the tile field at a safe distance from, and at a lower elevation than, the proposed building(s). Such lot size and shape shall conform to the requirements of the zoning district in which they are located or the requirements of the Logan County General Health District, whichever is the more restrictive.
(5) Percolation tests may be required when deemed necessary. All percolation tests shall be performed in accordance with the requirements of the City Planning Commission and the County Board of Health.