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10. REQUIREMENTS FOR WASTE DISPOSAL FOR NEW LAND DEVELOPMENTS 10.1. THE FOLLOWING REQUIREMENTS SHALL APPLY TO ALL DIVISIONS OF LAND AND ALL LAND DEVELOPMENTS FILED AFTER DECEMBER 15, 1972. (The installations of individual disposal systems, especially in large numbers, € creates discrete discharges, which must be considered on an individual basis. The life of such disposal system may be quite limited. Failures, once they begin in an area, generally will occur on an area wide basis. Further, regular Maintenance is important to successful operation of individual disposal systems. To assure continued protection of water quality, to prevent water pollution and to avoid the 4 creation of public health hazards and nuisance conditions, a public entity alshall be formed with powers and responsibilities defined herein for all subdivisions having 100 lots or more. Subdivisions with less than 100 lots which threaten to cause water quality or public health problems shall also be required to forma public entity.) Estate type zoning (R-RI) shall require a double leach field system with an alternating distribution box to be installed at time of construction. F a) Public Entity—A Iocal agency, as defined in the State of California Govenu-nent Code Section 53090 et seq., which is empowered to plan, design, finance, construct, operate, maintain and to abandon, if necessary, and sewerage system or the expansion of any sewerage system and sewage treatment facilities serving a land development. In addition, the entity shall be empowered to provide permits and to have supervision over the location, design, construction, operation, maintenance and abandonment of individual sewage disposal systems within a land development, and shall be empowered to design, finance, construct, operate and maintain any facilities necessary for the disposal of wastes pumped from individual sewage disposal systems and to conduct any monitoring or surveillance programs required for water quality control purposes. (Unless there is an existing public entity performing these tasks.) 10.2. New land developments are subject to sewage disposal provisions as set forth in the Development Requirements of the San Joaquin County Planning Title. 10.3. MINIMUM CRITERIA 10.3.1. Percolation rates shall be required on all new divisions of land and all new Iand developments on private sewage disposal systems under three (3) acres in area. Each lot proposed in any subdivision must have a percolation rate established. 10.3.2. Percolation rate sites maybe specified as to the number of locations and the sites on the division of land plat or the land development plan by the Director of Environmental Health. Depth of test hole shall not exceed forty-two (42) inches. Percolation tests must be done within the proposed sewage disposal area. On a failed percolation a second EHD 4202-014 Page 21 of 25 10/15/2003