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City of Ripon Well#12 <br /> - Nitrate Study Report May 31,2006 <br /> A number of observations indicated that the DWR information was not highly accurate. For example, the <br /> well log for Well 12 was not present in the files at the DWR. Also, as described above, the logs did not <br /> reflect current property addresses. Finally, after attempting to contact well owners from some of the logs, <br /> SGI determined that many of the wells located by the DWR search no longer existed. Because of these <br /> problems with accuracy, information collected from the DWR was not used extensively for developing <br /> sampling recommendations. <br /> 2.3 Information from the City of Ripon <br /> SGI also obtained information about possible wells in the vicinity of Well 12 from the City. SGI and City <br /> Staff met to review aerial photos of the area in the immediate vicinity of Well 12. Properties with known <br /> domestic wells were inspected in these photos. After viewing the photos, SGI continued to work with the <br /> City to obtain owner and contact information for the properties with the known domestic wells. <br /> 2.4 Contact with Well Owners <br /> Following the meeting with the City and property owner information for the wells located from the City <br /> aerial photos being obtained, SGI called the well owners to obtain information about each well including <br /> screened interval, depth of seal, and current use. SGI used this information to develop sampling <br /> recommendations. <br /> R4�+naA 1_ReWl1 Ox 2-2 Ma Source Group,Ill{& <br />