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California Regional Water Quality Control Board <br /> Central Valley Region L <br /> Robert Schneider,Chair <br /> Alan C.Lloyd,Ph.D. Arnold <br /> Agenev Snaclnp, Sacramento blain ofriee Schwaraenegger <br /> 11020 Sun Cm(e Drive#200.Rancho Cordova,Califomia 95670-6114 Gnnernar <br /> Phone(916)461-3291 •FAX(916)164-4645 <br /> help•J/waw..awrlio2rds.c2.gov/ccrinlvalley <br /> 7 July 2005 <br /> Mr. Warren Shannon <br /> Wastewater Systems Superintendent <br /> City of Manteca <br /> Public Works Department <br /> 1001 W. Center Street <br /> - _..Manteca CA_95337—_..___ — <br /> GROUNDWATER MONITORING WELL INSTALLATION WORKPLAN APPROVAL, CITY <br /> OF MANTECA WASTEWATER QUALITY CONTROL FACILITY, SAN JOAQUIN COUNTY <br /> Thank you for submitting your proposed workplan titled, Groundwater Monitor Well Installation <br /> RZorkplan for the City of Manteca T astewaler Quality Control Facility,by Condor Earth Technologies, <br /> Inc, dated 20 June 2005. The workplan is for installation of a background ground-vvatcr monitoring well, <br /> as required by Waste Discharge Requirements Order No, R5-2004-0028. Provisions H.S requires the <br /> City have an adequate groundwater monitoring well network to determine compliance with the <br /> Groundwater Limitations, including one or more background monitoring wells. Based on the City's <br /> evaluation of its current groundwater monitoring well network, it concluded that installation of a <br /> background monitoring well was necessary. Monitoring and Reporting Program R5-2004-0028 requires <br /> that prior to construction of groundwater monitoring wells, the City must submit plans and specifications <br /> to Regional Board staff for review and approval. The proposed workplan meets this requirement. <br /> The proposed location of the monitoring well and installation procedures identified in the workplan are <br /> acceptable. The City may proceed with construction of the monitoring well. If you have any questions, <br /> please contact me at(916)464-4772 or jdmarshall@waterboards.oa.gov. <br /> - 04, r <br /> FS D. MARSHALL <br /> rater Resources Control Engineer <br /> California Environmental Protection Agency <br /> Z3 Aecyc(ed Papar <br /> Tuesday,July 12,2005.max <br />