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r <br /> GRANITE CONSTRUCTION FACILITY <br />' WKA No 2088 08 <br /> August 18, 1999 <br /> Page 7 <br /> The primary potential pathway concerns are surface water bodies and groundwater wells near the <br /> site Our surface water body survey consisted of a windshield survey and a review of the USGS <br /> 7 5 Minute Lathrop Quadrangle map Based on this survey, the closest surface water body is the <br /> San Joaquin Irrigation District Canal located approximately 4,000 feet east of the property <br />' boundary The San Joaquin River is located approximately 2 miles west of the property <br /> In addition to the above windshield survey and review of the USGS 7 5 Minute Lathrop <br /> Quadrangle map, our water well survey included a review of California Department of Water <br />' Resources (CDWR) well construction records These confidential records were obtained with <br /> the help of staff from CDWR <br />' Review of available information and telephone interviews with DWR and San Joaquin County <br /> Flood Control District personnel, indicate that there are no public municipal or irrigation wells <br />' located within a 2,000-foot radius of the site The nearest trngation well (DWR#12P01) is <br /> located approximately 2,600 feet southeast from the site Two industrial supply wells are located <br /> on the site and are owned by Granite Construction The depth of the wells are unknown The <br /> boring logs for the two wells could not be located According to Granite Construction personnel, <br />' the water produced by these supply wells is not used for drinking water and the wells are <br /> scheduled to be abandoned <br /> During the well survey we confirmed the existence of 33 wells within a 2,000-foot radius of the <br /> site The well owners, numbers and location of wells, depth of screened intervals, and distance <br />' of the wells with respect to the site are listed below <br />' SUMMARY OF WELL SURVEY DATA <br /> a ac$ff,,d�s# tat �� d"" z1t f'at s�fR 1� 6< g 'b ;°�R �" s t, <br /> VVellsC}Wn 3 � =%e�� ulE$ e i � � �l d ry t}� 1proxinfi�=Dl dance ands g 4 <br /> �i,> Well l.ocatton Total # Screen Interval r3 , <br /> ma; k a g nRb ap ra n A n $ si��4' a� ;�' <br /> 44� � CM3 Ii< '4. x a r e¢ �f � a ° i <br /> sxa Genc Direction o£Wel <br /> ud.ef .n x .� E <br /> �� l�C(Jtll� � t � t �' � <br /> �9 i� with Respect to', sublect`S3t� <br /> � r� <br /> Byron Peters Briggs Road 170 95 to 170 1,500 to 2,000 west of the site <br /> Byron Peters Briggs Road 200 NA 1,500 to 2,000 west of the site <br /> Byron Peters Briggs Road 198 NA 1,500 to 2,000 west of the site <br /> NA 1,500 to 2,000 west of the site <br /> John Smith Briggs Road 160 <br /> 1 <br /> `�W <br /> WALLACE KUHL <br /> Recycled p qw, Er AssoCIATEs INC <br />