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3.8.4 Areas that are within the minimum setback distances which are necessary to <br /> provide protection to water quality and/or public health shall not be used <br /> for waste disposal. The following areas are also considered unsuitable for <br /> the location of disposal systems or expansion area: <br /> a) Areas within any easement which is dedicated for surface or <br /> subsurface improvement. <br /> b) Paved areas. <br /> C) Areas not owned or controlled by property owners unless said area <br /> is dedicated as a recorded easement for waste disposal purposes. <br /> d) Areas occupied or to be occupied by structures. <br /> 3.8.5. A soils profile of the division of land or land developments shall be made to <br /> a depth of at(past ten(10)feet where the water table or clay strata's are <br /> unknown. <br /> 3.8.6 Any division of land or new land development having a slope greater than <br /> 10%will by evaluated on an individual basis. <br /> 3.8.7 The percolation rate in the disposal field;hall be no greater than sixty(60) <br /> minutes per inch or less than one(1)minute per inch. Percolation rates for <br /> seepage pits shall be no greater than thirty(30)minutes per inch. <br /> Mitigation by system design or enhancement is required for parcels with <br /> percolation test results not meeting these criteria. <br /> 3.9 There shall be a minimum of a five(5)foot separation between the bottom of the <br /> leach trench and perched water or the static proundwater table. <br /> 3.10 In areas of known high ground water tables,a subsurface boring or trench shall be <br /> completed to determine the depth of the water table for all parcels proposing to <br /> utilize OWTS. <br /> 3.11 A minimum ten(10)foot separation is required between the bottom of a seepage <br /> pit or sump greater than eight(8)feet deep and the groundwater table.Greater <br /> depths are required if soils do not provide adequate filtration. <br /> 3.12 Land developments or other development proposals utilizing OWTS with an average <br /> daily flow of less than 10,000 gallons shall be permitted by San Joaquin County <br /> Environmental Health Department for compliance with the OWTS Policy,the San <br /> Joaquin County LAMP,and these Standards. <br /> 3.13 Development proposals utilizing OWTS with an average daily flow of 10,000 gallons <br /> or greater shall be submitted to the California Regional Water Quality Control Board <br /> -Central Valley Region for waste discharge requirements and shall be in compliance <br /> with all California Regional Water Quality Control Board—Central Valley Region <br /> waste discharge requirements prior to the recordation of the subdivision map or <br /> E HD 42-G 14 Pato 1 3 A 40 OWTS Stwda do 1201' <br /> CALJNC <br />