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WASTE DISCHARGE REQUIREMENTS SAN JOAQUIN COUNTY SERVICE AREA 31 AMADOR CORPORATION CALIFORNIA STOP WASTEWATER FACILITY SAN JOAQUIN COUNTY -5- 2. Oils, greases, waxes, or other materials to form a visible film or coating on the water surface or on the stream bottom. 3. Oils, greases, waxes, floating material (liquids, solids, foams, and scums) or suspended material to create a nuisance or adversely affect beneficial uses. 4. Toxic substances in concentrations that produce detrimental physiological responses in human, plant, animal, or aquatic life. 5. Acute toxicity in the receiving waters including the mixing zone. 6. Chronic toxicity in the receiving water outside the mixing zone. 7. Un -ionized ammonia (NH3) to exceed 0.025 mg/l (as N). 8. Esthetically undesirable discoloration. 9. Fungi, slimes, or other objectionable growths. 10. Turbidity to increase more than 10 percent over background levels. 11. -The normal ambient pH to fall below 6.5, exceed 8.5, or change by more than 0.5 units. 12. Deposition of material that causes nuisance or adversely affects beneficial uses. 13. The normal ambient temperature to be increased more than 5°F. 14. Taste or odor -producing substances to impart undesirable tastes or odors to fish flesh or other edible products of aquatic origin or to cause nuisance or adversely affect beneficial uses. 15. Violation of any applicable water quality standard for receiving waters adopted by the Board or the State Water Resources Control Board pursuant to the CWA and regulations adopted thereunder. E. Provisions: 1. The Discharger shall not allow pollutant -free wastewater to be discharged into the collection, treatment, and disposal system in amounts that significantly diminish the system's capability to comply with this Order. Pollutant -free wastewater means rainfall, ground water, cooling waters, and condensates that are essentially free of pollutants.