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DEC. 1. 2004 3: 20PM KS 2U9-94b-U29b IVU. U4Ub r. LCL <br /> f � <br /> CENTRAL VALLEY REGIONAL WATER QUALITY CONTROL BOARD <br /> 7�N' PO AT }, <br /> DISCHARGER: Woodbridge Sanitary District <br /> LOCATION & COUNTY: Woodbridge, San Joaquin County <br /> CONTACT(S): Hat'old Rolvbach, Woodbridge Sanitary,District Board Director <br /> INSPECTION DATE: 7 October 2004 <br /> INSPECTED BY: Tim O'Brien/CVRWQCB <br /> ACCOMPANIED BY: <br /> OBSERVATIONS AND COMMENTS: <br /> The facility appeared to be in acceptable condition however, violations of I''ie Waste Discharge <br /> Requirements (WDRs)were observed. Based on the lack of wastewater in some of the <br /> evaporationJpercolation ponds, the wastewater system appeared to have adequate capacity for the winter <br /> season. Odors were not noticed except locally at 11ie headworks and Imhoff tanks. All ponds had at least <br /> two feet of freeboard. <br /> A number of the wastewater ponds had excessive growth of duckweed or other plants, a violation of the <br /> WDRs. Dried sludge was stockpiled ttt the lmljoff tanks. The dried sludge must be removed prior to the <br /> rainy season or covered to prevent generation of leachate. <br /> SUMMARY: <br /> In general, the facility appeared to be in adequate condition but excessive weed grmxilt in some ponds <br /> needs to be corrected and stockpiled dried sludge requires removal or protection from rainfall to prevent <br /> generation of leachate. <br /> �n <br /> 4�Tinioth} R. O'Btien <br /> Engineering Geologist <br />