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California Regional Water Quality Control Board <br /> QW; <br /> Central Valley Region <br /> W Karl E.Longley,ScD,P.E.,Chair (a <br /> Linda S.Adams 11020 Sun Center Drive 4200,Rancho Cordova,California 95670-6114 Arnold <br /> Secretaryjor Phone(916)4643291 •FAX(916)464-4645 Schwarzenegger <br /> Gorsrnor <br /> Eevtronmental http.//www.waterbouds.ca.gov/ocntralvallcy <br /> Protection D <br /> 17 August 2009 <br /> A 1 Zi33 <br /> Mr. Steve Gittings _ <br /> Deputy Municipal Utilities Director/Wastewater " <br /> City of Stockton <br /> 2500 Navy Drive <br /> Stockton, CA 95206-1191 <br /> DESTRUCTION OF GROUNDWATER MONITORING WELL MW-4, STOCKTON REGIONAL <br /> WASTEWATER CONTROL FACILITY, SAN JOAQUIN COUNTY <br /> Thank you for the 4 August 2009 submittal of the Monitoring Well Destruction Work Plan <br /> (Work Plan) for The City of Stockton Regional Wastewater Control Facility (RWCF). <br /> Central Valley Regional Water Quality Control Board staff has reviewed The Work Plan. The <br /> Work Plan proposes the destruction of groundwater monitoring well MW-4 at The City of <br /> Stockton RWCF, because well MW-4 is no longer active and was replaced by groundwater <br /> monitoring well MW-8. <br /> We concur with the Work Plan and approve the destruction of groundwater monitoring well <br /> MW-4 provided you follow the requirements of the San Joaquin County Environmental Health <br /> Department. Please submit a well closure report to the Central Valley Regional Water Quality <br /> Control Board to my attention after completion of field activities. <br /> If you have any questions regarding this approval or other NPDES permit-related <br /> requirements, please contract me via telephone number (916) 464-4824 or email address <br /> gperreira@waterboards.ca.gov. <br /> yleen Perreira, P.E. <br /> Water Resource Control Engineer <br /> Delta/San Joaquin NPDES Permitting Unit <br /> cc: Mr. John H. Kramer, PhD, Condor Earth Technologies, Inc., Stockton <br /> California Environmental Protection Agency <br /> CRecycled Paper <br />