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WASTE DISCHARGE REQUIREMENTS ORDER N0,R5-2002-0225 ALPINE PACKING COMPANY,INC. 17 WASTEWATER TREATMENT SYSTEM, SAN JOAQUIN COUNTY 5. Wastewater conveyance lines shall be clearly marked as such. Wastewater controllers, valves, etc., shall be posted with advisory signs; all equipment shall be of a type, or secured in such a manner, that permits operation by authorized personnel only. 6. Public contact with wastewater shall be precluded through such means as fences, signs, and other acceptable alternatives. Signs with proper wording of sufficient size shall be placed at areas of access and around the perimeter of the land treatment unit to alert the public of the use of wastewater. 7. The land treatment unit shall be managed to prevent breeding of mosquitoes. More specifically: a. All applied wastewater must infiltrate completely within 24 hours. b. Ditches not serving as wildlife habitat should be maintained free of emergent, marginal, and floating vegetation. c. Low pressure pipelines, unpressurized pipelines, and ditches that are accessible to mosquitoes shall not be used to store wastewater. 8. The Discharger may not discharge wastewater to the land treatment unit 24 hours before predicted precipitation, during periods of precipitation, and for at least 24 hours after cessation of precipitation, or when soils are saturated. 9. Application of wastewater to the land treatment unit shall only occur by flood irrigation on furrows graded so as to achieve uniform distribution, minimize ponding and provide for tailwater control. Furrow runs shall be no longer and slopes shall be no greater than what permits reasonably uniform infiltration and maximum practical irrigation efficiency. The minimum furrow slope shall not be less than 0.2%. Application by sprinkler is acceptable if the land treatment unit has been prepared and if the application complies with all other requirements of this order. 10. The land treatment unit shall be allowed to dry for at least 72 hours from the end of wastewater application unless more frequent irrigation is required for crop health. 11. Application of wastewater to the land treatment unit shall be performed in accordance with the approved LTU Operation and Maintenance Plan submitted pursuant to the provisions. 12. There shall be no standing water in the land treatment unit 24 hours after wastewater is applied, except during periods of heavy rains sustained over two or more consecutive days. 13. The wastewater discharge shall not occur within a 50-foot wide buffer zone along any property lines adjacent to properties developed with residences. 14. The resulting effect of the wastewater discharge on the soil pH shall not exceed the buffering capacity of the soil profile.