SITE INFORMATION AND CORRESPONDENCE

Home Browse Search

WASTE DISCHARGE REQUIREMENTS -5- COUNTY OF SAN JOAQUIN COUNTY SERVICE AREA NO. 31 FLAG CITY WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY 8. Public contact with wastewater shall be precluded through such means as fences, signs, and other acceptable alternatives. 9. Ponds shall have sufficient capacity to accommodate allowable wastewater flow and design seasonal precipitation and ancillary inflow and infiltration during the nonirrigation season. Design seasonal precipitation shall be based on total annual precipitation using a return period of 100 years, distributed monthly in accordance with historical rainfall patterns. 10. Pond freeboard shall never be less than two feet (measured vertically to the lowest point of overflow). 11. On or about 1 October of each year, available pond storage capacity shall at least equal the volume necessary to comply with Discharge Specification No. 9. C. Solids Disposal: 1. Collected screenings, sludges, and other solids removed from liquid wastes shall be disposed of in a manner that is consistent with Title 27,Division 2, Subdivision I of the California Code of Regulations and approved by the Executive Officer. 2. Any proposed change in sludge or solids use or disposal practice from a previously approved practice shall be reported to the Executive Officer at least 90 days in advance of the change. D. Groundwater Limitations: The discharge shall not cause the underlying groundwater to: 1. Be degraded. 2. Contain chemicals,heavy metals, or trace elements in concentrations that adversely affect beneficial uses or exceed maximum contaminant levels specified in 22 CCR, Division 4, Chapter 15. 3. Exceed a most probable number of total coliform organisms of 2.2/100 ml over any seven- day period. 4. Exceed concentrations of radionuclides specified in 22 CCR,Division 4, Chapter 15.