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<br /> DRAINAGE CRITERIA MANUAL RUNOFF <br />. TABLE 2-3 <br />INCREMENTAL INFILTRATION DEPTHS IN INCHES* <br /> Time SCS Hydrologic Soil Group <br /> Minutes** A B C & D <br /> 5 .384 .298 .201 <br /> 10 .329 .195 .134 <br /> 15 .284 .134 .096 <br /> 20 .248 .099 .073 <br /> 25 .218 .079 .060 <br /> 30 .194 .067 .052 <br /> 35 .175 .060 .048 <br /> 40 .159 .056 .045 <br /> 45 .146 .053 .044 <br /> 50 .136 .052 .043 <br /> 55 .127 .051 .042 <br /> 60 .121 .051 .042 <br />. 65 .115 .050 .042 <br />70 .111 .050 .042 <br /> 75 .107 .050 .042 <br /> 80 .104 .050 .042 <br /> 85 .102 .050 .042 <br /> 90 .100 .050 .042 <br /> 95 .098 .050 .042 <br /> 100 .097 .050 .042 <br /> 105 .096 .050 .042 <br /> 110 .095 .050 .042 <br /> 115 .095 .050 .042 <br /> 120 .094 .050 .042 <br /> * Based on central value of ea~h time increment in Hortons Equation. <br /> **Time at end of the time increment <br /> <br />. <br /> <br />5-1-84 <br />