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11 October 2019 <br />AGE Project No. 19-4782 <br />Page 6 of 14 <br /> 4.3. ON-SITE EXISTING WELL DESCRIPTION <br /> <br />There is one existing water supply well on the adjacent property at 17699 ST RT 120. <br />The well is located along the southwest property boundary of 17699 ST RT 120 and the <br />subject property. The well currently provides water for agricultural purposes to the subject <br />property. However, in accordance with San Joaquin County Community Development <br />Title, Section (9-1115.8(b)) provision of water to a residence from an offsite private, <br />domestic water well located on a separate recorded parcel is prohibited. <br /> <br />The well was installed in September 2011 under EHD permit number SR63382. The well <br />is constructed to a total depth of 314 feet bsg with a 6-inch diameter plastic casing and <br />0.45-inch well screen installed from 294 to 314 feet. The grout seal is installed to 200 feet <br />bsg and the static water level in the well following completion on 14 September 2011 was <br />67 feet. The well is currently used to service 17699 ST RT 120. A well completion report <br />and EHD permit for the well is presented in Appendix B. <br /> <br /> <br />4.4. CONSTITUENTS BEING TESTED FOR IN THE WATER SAMPLE <br /> <br />Nitrate (NO3) constituents were tested in the existing groundwater supply well at <br />17699 ST RT 120. <br /> <br /> <br />4.5. GROUNDWATER SAMPLE COLLECTION <br /> <br />On 18 July 2019, a sample of the drinking water supplied by the current groundwater <br />supply well at 17699 ST RT 120 was collected in an unpreserved 0.5-liter plastic <br />container. The groundwater sample container was properly labeled, placed in a chilled <br />container and transported under chain-of-custody protocols to McCampbell Analytical, <br />Inc. (MAI), a California Environmental Laboratory Accreditation Program (ELAP)-certified <br />laboratory. The sample was analyzed for Nitrate as Nitrogen (N) and Nitrate as NO3-. <br /> <br /> <br />4.6. GROUNDWATER ANALYTICAL REPORT <br /> <br />Nitrate as N was detected at 2.7 milligrams per liter (mg/l) and Nitrate as NO3- was <br />detected at 12 mg/l in the water sample. The MAI laboratory report with quality <br />assurance/quality control (QA/QC) reports and chain-of-custody form are provided in <br />Appendix C. <br /> <br /> <br />5.0. SOIL PROFILE <br /> <br />An OWTS Permit was issued for the site by the EHD on 03 July 2019 to perform a <br />percolation test (Appendix D). On 18 July 2019, a 4-inch diameter hand auger was utilized