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CALIFORNIA icEGIONAL WATER QUALITY CONTROL BOARD CENTRAL VALLEY REGION 3443 Routier Road, Suite A Sacramento, CA 95827-3098 NOTICE OF PUBLICATION OF TENTATIVE WASTE DISCHARGE REQUIREMENTS FOR STAGNO'S MEAT COMPANY NEW DISCHARGE TO LAND SAN JOAQUIN COUNTY Richard A. Stagno has proposed installation of a slaughterhouse, to be known as Stagno's Meat Company, at a former poultry facility approximately 2 miles northwest of Lathrop and 1.3 miles east of the San Joaquin River in San Joaquin County. The facility occupies 13.5 acres and will contain holding pens, a slaughterhouse, a manure storage area, a wastewater treatment pond, a stormwater detention pond, and a designated disposal area(cropland), consisting of about 9 acres. Approximately 500 animals will be slaughtered daily consisting primarily of market pigs, but also calves, sheep, and goats. Five types of wastes will be produced as part of the facility operations: manure solids,manured wastewater, slaughterhouse wastewater, whole blood, and solid animal wastes. Manure solids from the holding pens will be scraped to a concrete lined, covered manure storage area where it will be subsequently transported off-site. Manured wastewater will also be produced from periodic washdowns of the pens. Slaughterhouse operations will produce the other three types of wastes: rinsewaters,blood, and solid animal wastes. Rinsewaters will be derived from animal, carcass, and kill-floor rinsings. These rinsewaters will comprise the vast majority of the wastewater, estimated to be approximately 14,500 gallons daily. Whole blood will be captured and stored in a tank for edible food processing and will not be discharged to the wastewater treatment pond. Solid animal wastes will consist of the discarded portions of the carcasses (offal), and the fats, oils, and greases (FOG), which are part of the wastewater produced during slaughterhouse operations. These animal liquids will be treated using a septic tank and a screened grease trap. Offal, FOG, and screenings will not be discharged to the wastewater treatment pond, but will be collected for rendering. Wastewaters from the slaughterhouse holding pens, animal, carcass, and kill-floor rinsings will be pumped to a wastewater treatment pond lined with 30-mil high-density polyethylene plastic. There will be approximately 5 feet of separation between the base of the pond and groundwater. Wastewater in the treatment pond will be periodically discharged to the designated disposal area where sudangrass is to be triple-cropped. Under these Waste Discharge Requirements,monitoring of the wastewater treatment pond effluent, cropland soil, and groundwater will be required. Manure solids will be required to be transported off- site due to the limited acreage for wastewater disposal. A Monitoring and Reporting Program will require that records of off-site manure transactions, monitoring results, and any descriptions of corrective actions taken during the previous year,be submitted in an annual report. c:'ckwf iles\agriculwm\agwdrs\sw gno\pubnot ice