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WASTE DISCHARGE REQUIREMENTS ORDER NO. • 12 CITY OF LATHROP AND METROPOLITAN LIFE INSURANCE COMPANY CROSSROADS TREATMENT PLANT NO. 1,SAN JOAQUIN COUNTY [Note: Other prohibitions, conditions, definitions, and some methods of determining compliance are contained in the attached "Standard Provisions and Reporting Requirements for Waste Discharge Requirements"dated I March 1991.] 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 sewage from a sanitary sewer system at any point upstream of a wastewater treatment plant is prohibited. Discharge of treated wastewater downstream of the treatment plant shall only occur at the approved land application areas. 4. Discharge of waste classified as 'hazardous' under Section 2521, Chapter 15 of Title 23 or 'designated', as defined in Section 13173 of California Water Code is prohibited. 5. Application of recycled water shall be performed as described in Finding Nos. 19, 20, and 21; application at rates in excess of the crop nitrogen requirements, or at rates that would cause excess nitrogen, dissolved solids, or metals to leach to groundwater is prohibited. 6. Fodder and fiber crops produced in the land application area shall not be provided as feed for animals producing milk for human consumption. Use of the land application area as grazing pasture for animals producing milk for human consumption is prohibited. B. Discharge Specifications 1. The 30-day average treatment plant flow shall not exceed 200,000 gpd. Upon completion of the facility improvements (piping, signs, fences, grading, cropping, and lining the storage ponds)the Discharger shall submit a report prepared by a California licensed engineer describing the improvements. The report shall include the approval letters for the submittals to DHS required by Provision La. Upon approval of the report by the Executive Officer,the 30-day average treatment plant effluent flow shall not exceed 250,000 gpd. The flow rate limit shall be applied to the flow entering the headworks. 2. Wastewater treatment and use of recycled water shall not cause pollution or a nuisance as defined by Section 13050 of the California Water Code (CWC). 3. The discharge shall not cause the degradation of any water supply 4. Public contact with wastewater shall be precluded or controlled as appropriate through such means as fences, signs or acceptable alternatives. 5. No waste constituent shall be released or discharged, or placed where it will be released or discharged, in a concentration or in a mass that causes violation of the Groundwater Limitations.