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I however, the nearest well system is located approximately three-fourths mile to the southeast Well information is included in the EDR report in Appendix G Shaw performed a search for nearby wells using the State of California's Geotracker program, which includes the S3CEHD records, and the State of California's Division of Water Resources (DWR) records for current and former wells within 2,000 feet of the site According to the DWR records, eleven wells are located within 2,000 feet of the site The nearest two wells are located approximately 650 feet to the north, in Lincoln Park These wells were installed in 1948 and 1989 for the City of Tracy for a municipal water supply source According to the City of Tracy Public Works Department, the well installed in 1989 is still in use The DWR records state that the well has a sanitary seal to 250 feet bsg, and is screened from 490 feet to 980 feet bsg The remaining nine wells in the DWR records were located over 1,500 feet from the site No wells were identified using the Geotracker program At the time of this report, however, no public water supply wells are being shown on the program Copies of the DWR reports are included in Appendix H of this report lie On April 7 and 8, 2003, Shaw personnel conducted a door to door well survey in an attempt to identify any drinking water or irrigation wells within a 500-foot radius of the property No wells were discovered in the survey A total of 57 properties were included in the survey radius, with persons at 30 of the properties responding The properties consisted of residential and commercial properties There were no visual indications observed of any wells on the properties Table 6 summarizes the survey data Figure 7 depicts the surrounding properties included in the survey r Accordingto the Cit of Trac Department of Public Works potable water for the site and Y Y p , surrounding vicinity comes from the Delta Mendota Canal and nine groundwater wells located throughout the city The nearest municipal supply wells are located over 314-mile to the southwest and southeast of the site The Delta Mendota Canal is located over five miles to the south of the site r • CNCD104-28-031SHARE\US3703-0027 doe 13