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• ORDER NO. R5-2006-0054 INDIVIDUAL DISCHARGER CONDITIONAL WAIVER OF WASTE DISCHARGE REQUIREMENTS FOR DISCHARGES FROM IRRIGATED LANDS -2- Whether an individual discharge of waste from irrigated lands may affect the quality of the waters of the State depends on the quantity of the discharge, quantity of the waste, the quality of the waste, the extent of treatment, soil characteristics, distance to surface water, depth to groundwater, crop type, management practices and other site-specific factors. These individual discharges may also have a cumulative effect on waters of the State. Waste discharges from some irrigated lands have impaired and will likely continue to impair the quality of the waters of the State within the Central Valley Region if not subject to regulation pursuant to the Porter -Cologne Water Quality Control Act (codified in Water Code Division 7), Water Code Section 13263 requires the Central Valley Water Board to prescribe WDRs, or waive WDRs, for the discharge. The WDRs must implement relevant water quality control plans and the Water Code. 9. Water Code Section 13269(x) provides that the Central Valley Water Board may waive the requirements to submit a RWD and to obtain WDRs for a specific discharge or specific type of discharge, if the Central Valley Water Board determines that the waiver is consistent with any applicable water quality control plan and such waiver is in the public interest. Water Code Section 13269 further provides that any such waiver of WDRs shall be conditional, must include monitoring requirements unless waived, may not exceed five years in duration, and may be terminated at any time by the Central Valley Water Board. 10. As authorized by Water Code Section 13269, this Order conditionally waives the requirement to file RWDs and obtain WDRs for Dischargers, as defined in Attachment A, who comply with the Individual Discharger Conditional Waiver of Waste Discharge Requirements for Discharges from Irrigated Lands. Some Dischargers will seek coverage under the Individual Discharger Conditional Waiver, and some Dischargers will seek coverage under the Coalition Group Conditional Waiver by joining a Coalition Group. 11. Attachment A to this Order identifies plans and policies, which contain regulatory requirements that apply to the discharge of waste from irrigated lands. Attachment A also provides definitions of terms for purposes of this Order and an Information Sheet that clarifies the "tributary rule." 12. The Conditional Waiver is for Dischargers who enroll as individuals to comply with the Water Code and the Central Valley Water Board's pians and policies. 13. Consistent with Water Code sections 13267 and 13269, this Girder requires the implementation of a monitoring and reporting program (MRP) as set forth in MRPOrder No. R5-2003-0827 that is intended to determine the effects of irrigated lands on water quality, to support the development and implementation of the Conditional Waiver, to verify the adequacy and effectiveness of the Conditional Waiver's conditions, and to evaluate each Discharger's compliance with the terms and conditions of the Conditional