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WASTE DISCHARGE REQUIREMENTS ORDER NO. • -25 MUSCO FAMILY OLIVE COMPANY AND THE STUDLEY COMPANY WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY 2. All of the following reports shall be submitted pursuant to Section 13267 of the California Water Code and shall be prepared by a registered professional as described by Provision G.1. a. By 1 October 2002, the Discharger shall submit a report describing the following: i. The installation of sufficient aerators in both the 1-million gallon and the 114-million gallon ponds such that the requirements of Discharge Specification No. B.5 will be continuously met. ii. How and when a portable sprayer tank will be used to provide rapid odor suppression around the banks and water surface of the ponds. iii. The installation and location of sufficient flow meters to comply with the flow measurement requirements of Monitoring and Reporting Program No. iv. The retrofitting of the irrigation system such that all sprayfields can be operated with short (i.e., 15 minute) irrigation durations. b. By 21 October 2002, the Discharger shall submit a workplan for characterization of groundwater quality at the 114 million gallon storage pond and percolate quality under the LTUs. The Groundwater Monitoring Well and Pan Lysimeter Workplan shall describe the installation of additional wells to allow evaluation of groundwater quality upgradient and downgradient of the 114-million gallon storage pond. Monitoring wells shall be constructed to yield representative samples from the uppermost layer of the uppermost aquifer and to comply with applicable well standards. In addition, the workplan shall describe the installation of an adequate number of pan lysimeters to determine percolate quality in areas unaffected by wastewater application as well as in areas to which wastewater is applied. The workplan shall be consistent with, and include the items listed in, the first section of Attachment D, "Items to be Included in a Monitoring Well Installation Workplan and a Monitoring Well Installation Report of Results." C. At least 60 days prior to allowing stormwater to bypass the 114-million gallon storage pond, the Discharger shall submit a technical report that describes specific numerical water quality criteria to determine if the bypass of stormwater around the storage pond is protective of surface water quality. Upon approval of the Executive Officer,wastewater that is consistent with the criteria may be discharged past the 114-million gallon storage pond. The discharge must remain in compliance with all stormwater permit requirements. d. By 5 December 2002, the Discharger shall submit a BPTC Salinity Source Reduction Plan for each waste constituent. The report shall describe each process that generates wastewater, the estimated daily flow for each waste stream, and chemical characterization of each waste stream. The report shall determine BPTC measures for each waste stream and discuss the potential for reducing the overall wastewater salinity by reducing or changing chemical additives, changing housekeeping practices, changing the process, segregation of high strength waste streams, and separate treatment and/or disposal of high strength waste streams. The report shall provide a specific schedule subject to the approval of the Executive Officer for implementation of BPTC measures needed to assure full compliance with the Effluent and Groundwater Limitations of this Order.