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114 <br /> [7] CONCLUSIONS <br /> The results of the percolation tests reveal varying percolation <br /> rates for each of the four parcels: <br /> Parcel No. 1 produced a percolation rate of 48 min/inch for a test <br /> hole 17 feet in depth. All test holes on this parcel that were <br /> shallower than this depth, failed. <br /> Parcel No. 2 test hole had a rate of 11 min/inch for the shallow <br /> test hole (42 inches) . <br /> Parcel No. 3 produced the fastest rate of 6. 2 min/inch for a deep <br /> test hole of 13 feet 7 inches. <br /> Parcel No. 4 had a rate of 11 min/inch for the shallow test hole <br /> of 42 inches. <br /> These percolation rates translate to a recommended sewage disposal <br /> area of 12 , 000, 8, 000, 12 , 000 and 8, 000 square feet respectively. <br /> But due to the soil structure in this particular area, seepage pits <br /> will be required and can be located within these areas and depths <br /> (strata) that will promote adequate percolation of effluent. <br /> Percolation of these sewage pits will be primarily based on <br /> sidewall effluent percolation. <br /> As noted above, the water table is approximately 120 feet below the <br /> soil surface. Therefore, the groundwater level in this area is <br /> definitely below the ten foot minimum distance between the bottom <br /> of the sewage pits (approximately 25 feet) and the highest <br /> anticipated depth to groundwater. <br /> Based upon this information concerning the placement of the <br /> proposed seepage pits within a percable soil profile, and the <br /> highest anticipated depth to groundwater, there should not be any <br /> adverse impact to the quality of the local area groundwater from <br /> this proposed septic system. <br /> 3, l_ /ualitI Control Inspection <br />