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Soil Siumbdity&Nitrate Loafing Smdl <br /> Pmpomd'Oak Farm Vine"rds Exp,irium Lodi CA <br /> PwJm No 674 W <br /> -lune 17,2013 <br /> 3.0 EXISTING ARID PROPOSED SEPTIC TANKS <br /> 3.1 Existing Septic Systems <br /> A residential septic sewage system is on the site,and will remain in use to serve the existing <br /> residence. The existing tasting room and nearby bam are served by a separate septic system, <br /> which will be retained. A request was made of the EHD staff to search their computerized <br /> records,and the representatiN a produced permits summarized in the table. <br /> Date System Ca acitr Details Purpose <br /> 313 wine Prnduetion St A Permit forum sys[ent <br /> 9 Ob EVC111,SePnc St s. One 100-t}line Inamll nevi system <br /> M09 FvenU Se c St s. 2,000 Gai. One 100-1t late Add four new 100 ft lines <br /> 11,71 Rasidantinl Sts Add 50 n line @ mmptow, <br /> 514 Residential Ses. 1,200Gal Two 90-ft lines Repair system <br /> 1 193 Rcaideoria!is s 1.600 Gal. 1 40.M line dt seepiigi,pit Re ait Sc 'e Svc in <br /> Nater well permits indicate an old domestic well was replaced in 2002. The old well was <br /> 140 feet deep. The replacemeam is 325 feet deep:. A second well islocated near the barn but <br /> it does not appear that the County EHD has records pertaining to it. This is the well that Is <br /> expected to serve the new winemaking facility and tasting room as well as the existing <br /> special events facilities. <br /> 3.2 Septic Systems in the Area <br /> An attempt was made to count the number of rural residences from a review- of a 2011 air <br /> photo of the area The assumption was trade that one septic system is assocumed with each <br /> residence. Using this method, we concluded that excluding the subject property, three <br /> systems lie within the `/4-mile circle surrounding the site and at about 33 systems are within <br /> the 1-mile circle surrounding the Property (see topographic map in Appendix A and aerial <br /> view in Appendix B) <br /> Permits pertaining to septic systems on the subject property and septic systems in the 14- <br /> mile radius were reviewed at the EHD offices on April 15, 2013. The following table <br /> summarizes the permits found in the records (see Appendix F for details)' <br /> Stmet Na Date Ca itc Details Pu me <br /> 23540 N..DeVries Rd 1 8/80 1 1 Add miiiiiie pil <br /> 233al N'..DtVties.Rd 1 6/94 1 1200 Gal. I Thum 400-ft lines I Install new ac tics x <br /> Based on these records. it appears the septic systems in the nearby area have experienced <br /> some difficulty with adequate drainage and new leach lines or seepage pits have sometimes <br /> been added to existing systems. <br /> 2937 Vanemw Ava,AB240 Geo-Phase EnArotnrtenml lnc. Phone: (3091 369-029% <br /> Modesto,CA 95316 Pae: r�(r91 5rt9_p9< <br />