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2.0 SENSITIVE RECEPTOR SURVEY 1 To evaluate possible health and safety impacts from petroleum hydrocarbons in soil and ' groundwater beneath the site, Ramage Environmental surveyed potential sensitive receptors within 2,000-feet of the site (site vicinity) The survey included a review of water well completion reports at the California Department of Water Resources (DWR), contact with the City of Manteca Department of Public Works and South San Joaquin Irrigation District(SSJID), and a tour of the site vicinity For the site vicinity, no water well completion reports were found at DWR However, further research identified three operating water supply wells within the site vicinity Two of these wells are operated by the city of Manteca for drinking water supply, and the other is operated by Manteca High School for all campus uses Appendix A includes a base map showing the locations of the three identified wells, and a table summarizing any well construction data No well completion reports were available for the identified wells ' According to the City of Manteca Department of Public Works, the city provides water service throughout the site vicinity The city operates 15 water supply wells throughout the city, including two within the site vicinity The city well#19 is located near the corner of Powers Avenue and Marin Street, approximately 1,700 feet west of the site, and the city well#5 and water tower are located approximately 1,900 feet northwest of the site The total depth of both of these wells exceeds 300 feet The city of Manteca water well locations are shown on a map, also included in Appendix A 1 The nearest school to the site is Manteca High School approximately 500 feet to the north The school campus occupies most of the northeast quadrant of the site vicinity According to Mr Chuck Christian, the head custodian, the school supplies all of its own water from a single water well located near the northeast corner of the Agriculture Building, approximately 1,000 feet ' northeast of the site This well was located during the survey and was found to be operational Well construction details were not available The well location is also shown on the base map included in Appendix A The SSJID also operates a network of groundwater wells within the city of Manteca for large volume irrigation supply According to SSJID records, none of their wells are located within the site vicinity, however, three of their wells do exist within one mile of the site 1 6