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(A) The subdivider shall install sanitary sewers whenever a sanitary sewer is reasonably accessible as determined by the Planning Commission. Sanitary sewers shall be installed in accordance with the specifications governing sanitary sewer construction.
(B) Whenever a sanitary sewer is not reasonably accessible, septic tanks or other unit disposal systems may be used in accordance with the following provisions:
(1) Minimum lot size excluding road easements shall be as follows:
(a) 35,000 square feet when the percolation rate is one inch in 30 minutes or less;
(b) 43,560 square feet when the percolation rate is one inch in 31 to 60 minutes;
(c) 22,500 square feet when the percolation rate is one inch in 30 minutes or less and the lots are served by a public water supply system; or
(d) The lot size as required by the Oklahoma Department of Environmental Quality if using an Oklahoma Department of Environmental Quality approved disposal system and served by a public water supply system.
(2) No portion of any unit disposal system shall be located closer than five feet to the lot line of the lot on which the system is located;
(3) All unit disposal systems shall comply with the requirements of the state and county health departments.
(C) When subdivisions contain ten acres or more, the Planning Commission may require the subdivider to install sanitary sewers and a disposal system that is adequate to serve all of the lots within the subdivision.
(`93 Code, § 12-457) (Ord. 1041, passed 4-12-83; Am. Ord. 1320, passed 8-8-00)