Laserfiche WebLink
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 -South of Mossdale MW-SS <br /> Groundwater Elevation Well <br /> � <br /> 15 abandoned <br /> 0 <br /> 0 <br /> o z 10 <br /> ai (U 5 <br /> W � <br /> GJ � <br /> H 0 <br /> 3 � <br /> v <br /> -5 <br /> c7o c <br /> .0 <br /> M -10 <br /> 4. <br /> a) Ln 1.0 r� W M O c-I N M � Ln l0 r� W M O c I N M � Ln l0 r*1 W M O c-I N M Tt Ln <br /> - 01 01 01 T T O O O O O O O O O O <br /> co ra ca co co co co ro ro ca co co co co ro ro co co co co co ro ra ca co co co co ca ra co <br /> Date <br /> MW-S5 <br /> Measuring Point NGVD 29 NAVD 88 <br /> M P 14.08 16.47 <br /> Groundwater Groundwater <br /> Date Sampled DTW(ft) Elevation Elevation <br /> ft,NGVD 29 ft,NAVD 88 <br /> 6/16/2005 24.48 -10.40 -8.01 <br /> 7/29/2005 20.50 -6.42 -4.03 <br /> 11/4/2005 19.89 -5.81 -3.42 <br /> 2/16/2006 16.37 -2.29 0.10 <br /> 5/9/2006 13.04 1.04 3.43 <br /> 9/11/2006 10.63 3.45 5.84 <br /> 9/29/2015 12.39 1.69 4.08 <br /> 12/7/2016 11.92 2.16 4.55 <br /> 11/29/2017 9.7 4.38 6.77 <br /> 6/20/2018 11.90 2.18 4.57 <br /> Abbreviations: <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.,January 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 /> (c)Well destruction was coordinated by ENGEO, Inc.Well was abandoned on 20 June 2018. <br /> EKI Environment &Water, Inc. <br /> July 2023 Page 145 of 145 EKI B90088.03 <br />