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�- .. a..v aa.a� ann cv0 YYp VVL1 n1 lLlrnL zn 1111 WEILfU KLEIN FELDER EXISTING AND PROPOSED SEPTIC TANK USAGE_ As mentioned above, there is an existing septic tank and two, 50-foot long leach lines servicing a duplex located northwest of the proposed manufacturing structure. We understand that the leach lines are located approximately 100 feet from an existing well currently used for the duplex. We understand that the existing leach field was uncovered and exposed for representatives of the Environmental Health Division. According to the plans furnished to us, we understand that a new 1,600 gallon septic tank is proposed approximately 10 feet off the northeast comer of the proposed manufacturing %ciiity with the leach field being placed further east. The proposed leach field will be located over 180 feet away from the existing well on the property, and approximately 250 feet away from an existing well located on an adjacent property north and east of the manufacturing facility. Two existing residences are located immediately north of the proposed manufacturing facility. The existing residence located at 3606 East Munford Avenue has been owned by Mr. Ralph Lonich for fifteen years. Mr. Lomeli apparently lived in the residence for five years before moving next door to 3604 East Munford Avenue, at which ume he rented the 3606 East Munford Avenue residence to some of his workers. We note that plans indicate an existing well located approximately 170 feet due north of the proposed new leach field. The septic system for 3606 Fast Munford Avenue is located between the existing residence and East Munford Avenue. This residence is approximately 50 years old and we have been told that no problems have ever been noted. For the past ten years, Mr. Lomeli has lived in the residence located at 3604 East Munford Avenue. We understand that the septic system for this residence is located on the west side of the residence. This residence is approximately 35 years old and we understand that no problems have been noted with this system either. GROUNDWATER DEPTH AND TESTING There is an existing well immediately due south of the duplex shown on the construction plans. The actual location of the well on the construction plan is incorrect and is approximately 30 to 40 feet to the east- According to the "Map Of Lines Of Equal Depths To Water And Well," published in the Spring of 1998 by the San Joaquin County Flood Control and Water Conservation District, the depth to groundwater at this location is between 60 to 70 feet. We, understand that a water sample was obtained from this well and previously submitted to the San Joaquin County Public Health services Department Environmental Health Division. The sample was tested for the presence of DBCF and Nitrates. We understand that both test results were below the MCL allowed by law. rage 2 of 3 20-3233-01.M1212.0191,882 OCWber 11, 1949 Cop9 Copyright 199 Klcinfooer,Inc.