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5 • ....- <br /> EXISTING LAND USE <br /> The existing land use except for the house and outbuildings , <br /> is fallow. <br /> The existing barn and horse corral indicate previous land <br /> use was for grazing. No evidence of cultivation was observed . <br /> SOILS <br /> Soils data was obtained from "SOIL SURVEY OF SAN JOAQUIN COUNTY, <br /> CALIFORNIA" , ISSUED October , 1992 • <br /> Parcels 1 and 2 . <br /> The soils map indicates that the soil type for these parcels <br /> is Bruella Sandy Loam . <br /> Typically, the surface layer is brown sandy loam. The upper subsoil <br /> is brown sandy clay loam. The lower portion is a brown, strong <br /> brown , and light brown sandy clay loam . <br /> The average rate of water intake in irrigated areas is 1 . 5 inches <br /> per hour . <br /> CONCLUSIONS <br /> Based on the test results and the performance of the septic systems <br /> in the area , it is my opinion that the subject parcels are suit- <br /> able for the existing and proposed septic systems . <br /> Per San Joaquin County ordinance , the maximum depth for dry wells <br /> (pits ) is 25 ' . Since the depth to groundwater is 130 ' ± , per <br /> San Joaquin County' s semi-annual groundwater report, the dry <br /> wells will be 1051 ± above the groundwater elevation. <br /> Based on this information, the existing and future septic sys- <br /> tems should not adversly affect the groundwater in the area . <br /> WATER WELL ANALYSIS <br /> Parcel 2 . DBCP (ug/L) NO3 (mg/L) <br /> ND 29 <br />