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WASTE DISCHARGE REQUIREMENTS -3- TRI VALLEY GROWERS, PLANT NO. 4 WASTEWATER DISPOSAL SITE STOCKTON, SAN JOAQUIN COUNTY C. The wastewater does not need to be managed according to 22 CCR, Division 4, Chapter 30, as a hazardous waste. 15. The Board has notified the Discharger and interested agencies and persons of its intent to prescribe waste discharge requirements for this discharge and has provided them with an opportunity for a public hearing and an opportunity to submit their written views and recommendations. 16. The Board, in a public meeting, heard and considered all comments pertaining to the discharge. ITIS HEREBY ORDERED that Order No. 88-147 is rescinded and Tri Valley Growers, its agents, successors, and assigns, in order to meet the provisions contained in Division 7 of the California Water Code and regulations adopted thereunder, shall comply with the following: A. Discharge Prohibitions: 1. Discharge of wastes to surface waters or surface water drainage courses is prohibited. 2. Bypass or overflow of untreated or partially treated waste is prohibited. 3. Discharge of waste classified as 'hazardous' or 'designated', as defined in Sections 2521(a) and 2522(a) of Chapter 15, is prohibited. B. Discharge Specifications: 1. The monthly average dry weather discharge flow shall not exceed 4.0 million gallons/day. 2. Objectionable odors originating at this facility shall not be perceivable beyond the limits of the retention ditch and the disposal areas. 3. As a means of discerning compliance with Discharge Specification No. 2, the dissolved oxygen content in the upper zone (1 foot) of wastewater in retention ponds shall not be less than 1.0 mg/l. 4. The treatment facilities shall be designed, constructed, operated, and maintained to prevent inundation or washout due to floods with a 100-year return frequency. 5. The retention ditch shall be managed to prevent breeding of mosquitos. In particular, a. An erosion control program should assure that small coves and irregularities are not created around the perimeter of the water surface. b. Weeds shall be minimized through control of water depth, harvesting, or herbicides.