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LJ <br /> April 20,2005 <br /> NOA Project Number. E05022B <br /> 3.2 On-Site Septic Permit History <br /> No septic permits were found for the Site during file review at EHD on January 28,2005. <br /> d <br /> 3.3 On-Site Septic Repair Permit History <br /> No septic repair permits were found for the Site during file review at EHD on January 28, 2005. <br /> V <br /> 3.4 Existing Septic Tank Usage in the Vicinity <br /> In an attempt to determine the septic system density for the vicinity of the Site, our office reviewed <br /> a 2002 aerial photograph of the subject property available from Microsoft Terraserver. We counted <br /> the building clusters within one square mile of the Site, and made the assumption that each building <br /> cluster has one septic system. Using this method,we determined that there are a minimum of 41 <br /> septic systems per square mile in the immediate vicinity of the Site. <br /> The general area consists of agriculture with a few residences. <br /> 3.5 Septic Permit History in the Vicinity <br /> The following septic system permits were found for the vicinity of rhe Site during file review at <br /> V EHD on January 28,2005: <br /> Table 1. <br /> Vicinity Septic System Permit Summary. <br /> Address,Date Tank Lines,Length,Pits Comments <br /> Capacity <br /> 22825 East Lone Tree Road, 1,500 gal Two leach lines,75 feet each New installation to <br /> ` 6/10/69 residence. <br /> 17776 Seidner Road,2/1/01 1,600 gal Three leach lines,40 feet each and New installation to <br /> three seepage pits,3 foot diameter residence. <br /> ` and 25 feet deep <br /> 18151 South Seidner Road, 1,600 gal Three leach lines,75 feet each and New installation to <br /> 7/7/81 one 10 foot by 16 foot by 16.foot residence. <br /> sum <br /> The septic systems in the area appear to utilize leach lines, pits and sumps. <br /> 3.6 Septic Repair Permit History in the Vicinity <br /> LThe following septic system repair permits were found for the vicinity of the Site during file review <br /> at EHD on January 28,2005: <br /> L <br /> 3 <br /> '0004 <br /> L <br />