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WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-0028 -39- WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2004-0028 -40- CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS CITY OF MANTECA,CITY OF LATHROP AND DUTRA FARMS WASTEWATER QUALITY CONTROL FACILITY WASTEWATER QUALITY CONTROL FACILITY SAN JOAQUIN COUNTY SAN JOAQUIN COUNTY If the State Board and the Regional Water Quality Control Boards are given the authority 11. Biosolids shall not be applied to land subject to erosion during a flood,or having a surface to implement regulations contained in 40 CFR 503,this Order may be reopened to slope in excess of fifteen percent. incorporate appropriate time schedules and technical standards. The Discharger must comply with the standards and time schedules contained in 40 CFR 503 whether or not 12. Biosolids shall comply with either Class A or Class B pathogen reduction standards as they have been incorporated into this Order. listed in 40 CFR 503. 4. The Discharger is encouraged to comply with the"Manual of Good Practice for 13. Biosolids shall comply with one of the Vector Attraction Reduction standards as listed in Agricultural Land Application of Biosolids"developed by the California Water 40 CFR 503.33. Environment Association. 14. Biosolids shall not be applied to land in amounts which cause the following lifetime 5. The discharger shall comply with the attached Monitoring and Reporting Program cumulative loading rates to be exceeded: No.R5-2004-0028 biosolids monitoring requirements. Cumulative Loading Rates On-site Biosolids Disposal Limitations: Constituent k ectare lbs./acre Arsenic 41 37 6. The discharge of tailwater or field runoff within 30 days after application of biosolids is Cadmium 39 35 prohibited for application areas where biosolids has not been incorporated into the soil and Chromium 3000 2672 there is not sufficient vegetation in the application area and along the path of runoff to Copper 1500 1336 prevent movement of biosolids particles from the application site. Lead 300 267 Mercury 17 1 15 7. The direct or indirect discharge of biosolids to surface waters or surface water drainage Molybdenum 18 16 Nickel 420 374 course is prohibited. Selenium 100 89 Zinc 2800 2494 8. The discharge of waste classified as"hazardous"or"designated"as defined in Title 23, California Code of Regulations,Section 2521(a)and Section 2522(a),is prohibited. 15. Biosolids shall not be deposited to flooded,frozen or water-saturated ground,or during 9. The onsite application of biosolids at rates in excess of the nitrogen requirements of the periods of heavy rainfall. vegetation or at rates that would cause the excess nitrogen or metals to leach to ground 16. Objectionable odor originating at this facility shall not be perceivable beyond the limits o water,is prohibited. All sources(wastewater,fertilizers,biosolids)of nitrogen and metals the property owned or controlled by the discharger. to the application area must be included in the analysis of the total loading rate. 17. Staging areas and biosolids application shall be at least: 10. The onsite discharge of biosolids with pollutant concentrations greater than those shown below is prohibited: a. 10 feet from property lines. b. 500 feet from domestic water supply wells. Constituent Ceiling Concentration C. 50 feet from non-domestic water supply wells. M weight d. 20 feet from public roads. Arsenic 75 e. 100 feet from surface waters. Cadmium 85 f 100 feet from residential buildings. Chromium 3000 Copper 4300 Lead 840 18. After the last application of biosolids in each field,the Discharger shall ensure the Mercury 57 following: Nickel 420 Selenium 100 a. For at least 30 days: Zinc 7500 (1)Public access to the application area is restricted; (2)Feed and fiber crops are not harvested;and