SITE INFORMATION AND CORRESPONDENCE

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WASTE DISCHARGE REQUIREMENTS -3- WOODBRIDGE SANITARY DISTRICT SAN JOAQUIN COUNTY 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 0.5 million gallons/day. 2. Objectionable odors originating at this facility shall not be perceivable beyond the limits of the wastewater treatment and disposal areas. 3. Neither the treatment nor the discharge shall cause a nuisance or condition of pollution as defined by the California Water Code, Section 13050. 4. As a means of discerning compliance with Discharge Specification No. 2, the dissolved oxygen content in the upper zone (1 foot) of wastewater in ponds shall not be less than 1.0 mg/l. 5. The treatment facilities shall be designed, constructed, operated, and maintained to prevent inundation or washout due to floods with a 100-year return frequency. 6. Ponds 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 minimised through control of water depth, harvesting, or herbicides. c. Dead algae, vegetation, and debris shall not accumulate on the water surface. 7. Public contact with wastewater shall be precluded through such means as fences, signs, and other acceptable alternatives. 8. Ponds shall have sufficient capacity to accommodate allowable wastewater flow and design seasonal precipitation and ancillary inflow and infiltration. Freeboard shall never be less than two feet, measured vertically. 9. On or about 1 October of each year, available pond storage capacity shall at least equal the volume necessary to comply with Discharge Specification B.8.