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It is recommendPd-that Infiltrator Chambers® be considered for any new septic system to keep the <br /> soil/effluent interface as high in elevation as possible, and to take advantage of the evapo- <br /> transpiration capacity during favorable weather conditions throughout the year. <br /> Any new septic system structures and domestic wells must comply with the published "distance" <br /> requirements from property borders, roads, irrigation fields, irrigation ditches, and the Little Johns <br /> Creek. <br /> It is important to note that all septic systems have a lifespan,which is dependant on several factors <br /> and is therefore difficult to determine. Septic system leachline failure would primarily result from <br /> the advanced formation of a"biomat" or"clogging mat" on the wetted soil/effluent interface. This <br /> mat is composed mostly of aerobic and anaerobic bacteria and bacterial products consisting of a <br /> slime of polyuronides and polysaccharides. If the soil/effluent interface is well aerated, a variety of <br /> soil microfauna such as nematodes and protozoa may digest the clogging mat bacteria. Since the <br /> shallow subsurface soils consist of a coarse-grained clay soil material, anaerobic conditions may <br /> prevail over time which may hasten the life of the leachfield. If the leachlines are installed high in <br /> elevation,there will be a greater opportunity for oxygen intrusion from the atmosphere, thus <br /> theoretically assisting in biomat degradation. <br /> Regardless of the nitrate concentration determined in the domestic well,bottled water should always <br /> be used for drinking and cooking purposes. <br /> Pnore-5- <br /> Chesney Consulting <br />