SITE INFORMATION AND CORRESPONDENCE CASE 2

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• • . WASTE DISCHARGE REQUIREMENTS ORDER NO.R5-2003-0141 - 12- CALIFORNIA NATURAL PRODUCTS WASTEWATER TREATMENT FACILITY SAN JOAQUIN COUNTY B. Discharge Specifications: 1. Until improvements are made to the proposed 29.7 acre land application area, the annual average wastewater flow to the land application areas shall not exceed 250,000 gpd and the maximum monthly average flow to the land application areas shall not exceed 290,000 gpd. These flow limits will remain in effect until the additional land application areas improvements are completed and a technical report (as described in Provision G.2.a) has been submitted and approved by the Executive Officer. Upon approval of the technical report, the Discharger's flow limits will be as follows: a. The annual average wastewater discharge to land shall not exceed 370,000 gpd. The annual average flow rate shall be calculated on a calendar year basis. b. The maximum monthly average wastewater discharge to land shall not exceed 429,000 gpd. 2. Neither the treatment nor the discharge shall cause a condition of pollution or nuisance as defined by the California Water Code, Section 13050. 3. 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 Limitation, Section F. 4. Objectionable odors originating at this facility shall not be perceivable beyond the limits of the property owned by the Discharger. 5. As a means of discerning compliance with Discharge Specification No. B.4, the dissolved oxygen content of any ponded water shall not be less than 1.0 mg/L at any time. 6. The Discharger shall operate all systems and equipment to maximize treatment of wastewater and optimize the quality of the discharge. 7. The Discharger's wastewater treatment system and land application system shall be designed, constructed, operated, and maintained to prevent inundation or washout due to floods with a 100-year return frequency. C. Effluent Limitations 1. The maximum total nitrogen loading to the land application areas shall not exceed the agronomic rate for plant available nitrogen (PAN) for the type of crop to be grown, as specified in the most recent edition of the Western Fertilizer Handbook. PAN shall be calculated as 100 percent of the total nitrogen content of the waste, unless and until the Discharger demonstrates that another proportion is technically justified, as described in Provision G.14. 2. The maximum BODS loading to the land application areas shall not exceed any of the following: a. 300 lbs/acre on any single day;