Chapter II and appendices E, F, and G of the California Department of Water Resources Bulletin No. 74, “Water Well Standards,” dated February , 1968, and California Department of Water Resources Bulletin No. 74-1, “Cathodic Protection Well Standards,” dated March, 1973, copies of both of which are on file as required by law, are adopted and incorporated into this Article by reference, with the following modification to paragraph A of section 8 of Part II of such Bulletin No. 74: The minimum distance between all wells and any subsurface sewage leaching field or septic tank shall be 100 feet.