SU0007632 SSNL - Laserfiche WebLink

Home Browse Search

Septic Permit History in the Vicinity �7 - �� Based on a recent review of septic permits on file at the San Joaquin County /3J Environmental Health Department for nearby properties, the septic systems in the area l �3. > appear to utilize leach lines and seepage pits. The septic permits can be found in Appendix 4 of this report. Expected On-Site Maximum Septic Tank Usage Maximum expected usage on the Site will be from the proposed religious assembly. / Septic system design should be based on the On-Site Wastewater Disposal Standards (2003) or other engineering recommendations. Ground Water Information Depth and Gradient LOGE reviewed ground water depth and elevation information available from the San Joaquin County Flood Control and Water Conservation District to determine the ground water levels near the Site. Data from fall of 2008 and spring of 2009 were the most recent available from this source. According to these maps (Plates 5 through 8), the ground water table is 70 to 80 feet below ground surface and flows down to the northeast at a rate of 4.5 to 5.7 feet per mile in the vicinity of the Site. Potential Ground Water Contamination Issues The Soil Suitability Study is not intended to be an investigation into ground-water contamination sources, and no such investigation was conducted. Many sources can contribute to ground water contamination, including leaking underground storage tanks, agricultural activities, dairies, septic systems, and storm water infiltration. Agricultural activities and the use of septic systems in the area are known ground water contamination sources with the potential to impact the Site. On-Site Wells One domestic well exists on the Site, as depicted on Plate 2. One well permit was / found during a recent file review at San Joaquin County Environmental Health Z• ') Department. The permit, from September 1982, was for a pump replacement at the domestic well. However, the permit is labeled as expired. Water Sample A water sample was collected from the domestic well on the Site on October 21, 2009 C�{3� by David Welch. The sample was to be analyzed for Nitrate and dibromochloropropane (DBCP) per San Joaquin County Environmental Health Department policy. LOGE0914 Page