Laserfiche WebLink
California Regional Water Quality <br /> r Control Board-Central Valley Region <br /> 3443 Routier Rd , Suite "A" <br /> Sacramento, CA 95827 <br /> Re Quarterly Groundwater Monitoring Report, December 1999 <br /> 23569 South Santa Fe Rd <br /> Riverbank, CA 95367 <br /> This report presents the results of quarterly monitoring of groundwater at the referenced <br /> Ranch Market The subject site (Figure 41) was monitored on December 8, 1999 The <br /> groundwater was analyzed at Sherwood Laboratory of Hilmar, California, a state certified <br /> laboratory The certified analytical reports and completed chain-of-custody documents are <br /> attached to this report(Attachment #A) <br /> The analytical results of the groundwater samples collected at the site since January 23, <br /> 1998 are presented in Table 3 Monitoring data and groundwater elevations recorded at <br /> the site are summarized in Table 1 <br /> Findings <br /> Based on monitoring data collected at the site on December 28, 1999(see Figure 1), water <br /> levels have fallen approximately 1 3 feet as compared to the water levels recorded during <br /> the previous phase II Environmental Site Study(Dec 9, 1998) The groundwater flow <br /> direction recorded during this event is south, similar to the southwesterly flow direction <br /> recorded during the previous monitoring and sampling event The hydraulic gradient is <br /> approximately 0 0015 ft/ft The hydraulic gradient and groundwater flow direction are <br /> listed in Table 2 <br /> Table I <br /> Water Table Data <br /> 23569 South Santa Fe Road <br /> Riverbank, California <br /> Well No 1 2 3 4 <br /> TQC 9994 9850 9900 10000 <br /> (MSL) <br /> Date 12/9/98 <br /> Depth to Water 2636 2590 2646 2738 <br /> (FBGs) <br /> Groundwater Elevation 7258 7260 7254 7262 <br /> (MSL.) <br /> Date 12/28/99 <br /> Depth to Water 2766 2719 2778 2869 <br /> Groundwater Elevation <br /> (MSL) 7128 7131 7122 7131 <br /> TOC top of well casing <br /> rBQs &d below ground surface <br /> MSL mean sea level <br />