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CENTRAL VALIV REGIONAL WATER QUALIPOONTROL BOARD 7 July 1999 DISCHARGER: Libbey Owens Ford Company LOCATION & COUNTY: Lathrop, San Joaquin County CONTACT(S): Jon Weiss INSPECTION DATE: 25 June 1999 INSPECTED BY: Patricia Leary ACCOMPANIED BY: Jon Weiss OBSERVATIONS AND COMMENTS: Pilkington Libbey Owens Ford (LOF) is regulated by Waste Discharge Requirements Order No. 91-056 (NPDES No. CA0004839), adopted on 22 February 1991. The Order expired on 1 February 1996, but the permit conditions continue in force in accordance with 40 CFR 122.6. LOF manufactures float glass, tempered automotive glass, and laminated auto glass. The site is not connected to municipal sanitary or storm sewer systems. Process wastewater, sanitary wastewater from a small package plant, and storm water runoff are currently placed in a reservoir and then disposed on land behind the facility, or used for lawn irrigation around the plant site. Although LOF has an NPDES permit, it has not discharged to the San Joaquin River during the term of the current permit, and has no plans to reinstate a river discharge at this time. We toured the grounds outside the plant site, beginning at the concrete-lined reservoir used to collect and blend the various wastewaters from the facility. Water in the pond was relatively clear, with little algae growth apparent. Discharges from the reservoir can be directed to vacant land south of the glass plant or to irrigate lawn areas in front of the plant. The vacant land is divided into two areas, north and south. At the time of the inspection, water was being land placed on the north area. It was saturated, with no odors or nuisance conditions apparent. The southern land area had not been irrigated in a long time, as evidenced by the lack of vegetation and dry conditions. The lawn areas irrigated with wastewater include areas inside a fence at the facility,as well as lawn areas adjacent to Louise Ave. The lawn area inside the fence is accessible to employees at LOF,but is not accessible to the general public. There are two lawn areas adjacent to Louise Ave which are accessible to the public. One lawn area is at the entrance to the plant site,next to the security office. The lawn was very green, and has been regularly irrigated with effluent. A larger lawn area across the front of the plant was turning brown from lack of irrigation. Jon Weiss indicated that the irrigation system for that area had broken and needed to be repaired. Approved: I t;,,K\VA��