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n_ <br /> March 28,2007 <br /> NOA Project Number: E06122A <br /> 3.2 On-Site Septic Permit History <br /> No septic permits were found for the site during a record search at the EHD on February 15,2007. <br /> No septic systems exist on site. <br /> 3.3 On-Site Septic Repair Permit History <br /> F1 <br /> Please see section 3.2 for septic permit history. '� 3 <br /> F, 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 1993 aerial photograph of the subject property available from Google Maps TM. We counted the <br /> building clusters within one square mile of the Site, and made the assumption that each building <br /> kcluster has one septic system. Using this method,we determined that there are a minimum of 100 <br /> f � septic systems per square mile in the immediate vicinity of the Site. <br /> The general use of the vicinity is split between industrial and surrounding agricultural land with <br /> associated residences and farm structures. <br /> _t <br /> 3.5 Septic Permit History in the Vicinity <br /> After a file review at the EHD on February 15, 2007 it was determined that septic systems in the <br /> area appear to utilize leach lines with seepage pits. <br /> j 3.6 Septic Repair Permit History in the Vicinity <br /> After a file review at the EHD on February 15, 2007 it was determined that septic system repairs in <br /> the area appear to have been primarily for the addition of leach lines and a seepage pits. <br /> 3.7 . Expected On-Site Maximum Septic Tank Usage <br /> 1 <br /> Maximum expected usage on each proposed parcel would be for the three warehouse buildings. The <br /> warehouses will be occupied by administrative and professional services,retail sales,manufacturing, <br /> F+ warehouse distribution and construction services. A total of 130 parking spaces are available, and an <br /> average daily flow of approximately 1,186 gallons per day is estimated in the Nitrate Loading Study <br /> E (see Part 1I). The septic system design flow,which incorporates peak factors,is estimated to be <br /> 2,107.5 gpd. This is based on the number of available parking spaces, proposed uses and <br /> information provided by Mike Smith Engineering,Lodi. The following table presents a breakdown <br /> of these uses: <br /> 3 <br /> F <br /> "040 <br /> R <br /> 1 <br /> I`- <br />