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STATL OF CALIFORNIA—ENVIRONMENTAL P*CTION AGENCY PETE WILSON,Governor <br /> CALIFORNIA REGIONAL WATER QUALITY CONTROL BOARD— 00C�, <br /> CENTRAL VALLEY REGION _ <br /> 3443 ROUTIER ROAD,SUITE A <br /> SACRAMENTO,CA 95827-3098 <br /> PHONE: (916)255-3000 t"t+aum <br /> FAX: (916)255-3015 <br /> 5 January 1994 <br /> Mr. Jim Podesta <br /> City of Manteca <br /> Public Works Department <br /> 1001 W. Center St. <br /> Manteca, CA 95336 <br /> INSPECTION OF THE CITY OF MANTECA'S SLUDGE APPLICATION FIELDS, WDRs <br /> ORDER NO. 92-052, SAN JOAQUIN COUNTY <br /> We have recently completed an inspection of the City of Manteca's wastewater treatment plant's sludge <br /> disposal operations. Attached for your information is a copy of my Inspection Report for the 13 December <br /> 1993 inspection. <br /> No apparent violations of the Waste Discharge Requirements Order No. 92-052 (WDRs) were seen during <br /> our recent inspection. <br /> As part of this inspection we compared actual field conditions with what was approved in the Sludge Pre- <br /> Application Report. It appears there has been a significant change between the Pre-Application Report we <br /> approved and what Manteca has actually placed in its Field 3. Therefore, a technical report must be submitted <br /> to us by 15 February 1994 demonstrating the increased sludge loading and the changed crop will not <br /> cause the available nitrogen to exceed agronomic rates. We also reviewed the monitoring and reporting files <br /> submitted by Manteca for the sludge landspreading operations. It appears Manteca has not been monitoring <br /> the storm water/irrigation ditch because of our failure to establish the monitoring points. The attached <br /> inspection report establishes the monitoring points R-1 and R-2 for the Storm Water Runoff/Irrigation Return <br /> Water Monitoring. Quarterly storm water monitoring must begin immediately. <br /> If you should require any additional information please call me at(916) 255-3030. <br /> 1 ? <br /> MICHAEL H. MOSBACHER, P.E. <br /> Project Engineer <br /> I -- <br /> Attachment ' <br /> v <br /> M1Wmhm - <br /> cc Environmental Health Department, San Joaquin County C) :-� <br />