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Appendix B- Historical Water Levels City of Lathrop <br /> Consolidated Treatment Facility <br /> Monitoring and Reporting Program R5-2016-0028-03 Rev 3 <br /> City of Lathrop - North of CLSP NMW-1 <br /> Groundwater Elevation <br /> 000 15 <br /> 0 <br /> o z 10 <br /> ai iv 5 <br /> W � <br /> (U <br /> f6 C <br /> 0 <br /> 3 � <br /> v <br /> -5 <br /> o c <br /> c7 0 <br /> M -10 <br /> 4. <br /> a) Ln lD r� 00 Ql O r-I N M LO lD r, 00 Ql O -1 N M :I- Ln lD r� W M O c-I N M -zl- Ln <br /> GJ 01 01 01 T T O O O O O O O O O O r- 1- 1- 1- 1- 1- 1- 1- <br /> co co co co co co co co co co co co co co co co co co co co co co co co co co co co co co co <br /> Date <br /> NMW-1 <br /> Measuring Point NGVD 29 NAVD 88 <br /> MP 14.51 16.895 <br /> Groundwater Groundwater <br /> Date Sampled DTW(ft) Elevation Elevation <br /> ft,NGVD 29 ft,NAVD 88 <br /> 7/17/2005 26.82 -12.32 -9.93 <br /> 7/19/2006 22.50 -8.00 -5.61 <br /> Abbreviations: <br /> CLSP=Central Lathrop Specific Plan <br /> DTW=depth to water <br /> ft=feet <br /> MP=measuring point <br /> NAVD 88=North American Vertical Datum of 1988 <br /> NGVD 29= National Geodetic Vertical Datum of 1929 <br /> Notes: <br /> (a) MP elevation reported by ENGEO, Inc.,October 2005. <br /> (b) Reported elevations referenced to NGVD 29 and converted to NAVD 88 by adding 2.39 ft. Datum conversion factor determined <br /> from National Geodetic Survey Vertcon website and is an average for the area. (www.ngs.noaa.gov/TOOLS/Vertcon/vertcon.html) <br /> EKI Environment &Water, Inc. <br /> July 2023 Page 7 of 145 EKI B90088.03 <br />