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CLEARWATER G P. O U P ] N C Eet,t ental Sen efts 5.0 WELL SEARCH In a letter dated August 21, 1996, the PHS/EHD stated that a sensitive receptor survey must be conducted in the vicinity of the Conrady property in order to "satisfy the investigative phase and closure requirements" and to qualify the site for "low- risk" designation The initial stage of the sensitive receptor survey consisted of a search of the DWR files in order to locate wells within 2000 feet of the site In addition, the current sources of Stockton's public water supply were identified 5.1 Department of Water Resources On September 24, 1996 Clearwater requested permission from the PHS/EHD to conduct a search of the DWR files On September 30, 1996, Mr Michael Infurna of the PHS/EHD approved the Well Driller's Reports Inspection Request and Agreement (Appendix C) After receiving pre-approval of the costs from the client and the Underground Storage Tank Cleanup Fund (USTCF), Clearwater conducted a search of the files at the DWR office in Sacramento on December 20, 1996 The search was limited to files covering portions of Sections 3, 4, and 10 in Township I North, Range 6 East, the area that would include a 2000-foot radius of the site Data from eight well files indicated that the wells were within Sections 3, 4, and 10 (area of interest) Table 2 and Figure 5 present the well data and show the approximate well locations One of the eight wells is located in Victory Park, possibly within 2000 feet of the Conrady property On December 30, 1996, Clearwater contacted Mr Scott Esszn, Superintendent of the Stockton City Parks and Recreation Department According to Mr Essun, the well located in Victory Park is used to supply irrigation water only The well has never been used as a source of drinking water, public drinking water is supplied to Victory Park by the City of Stockton DWR records indicate that five wells are located within the area of interest but outside a 2000-foot radius of the site Two of the wells are abandoned, one is used for domestic water, and one is used for irrigation No information was given regarding the use of the fifth well (it was installed in 1909) DWR files indicate that two additional wells were located In the area of interest, but the well addresses shown in the records are not within the area of interest One well was reportedly located in front of Franklin High School, however, Franklin High School is located at 300 North Gertrude Street (outside the area of interest) Information contained in the DWR files also indicate that a hole 68 feet deep, used D-101 4Q96 4 January 2, 1997