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DRAFT [TENTATIVE] WASTE DISCHARGE REQUIREMENTS ORDER R5-2023-OOXX 95 <br /> FORWARD, INC. <br /> FORWARD LANDFILL <br /> SAN JOAQUIN COUNTY <br /> STANDARD PROVISIONS & REPORTING REQUIREMENTS <br /> 7. Diversion and drainage facilities shall be designed, constructed, and <br /> maintained to [Title 27, § 20365(c)]: <br /> a. accommodate the anticipated volume of precipitation and peak <br /> flows from surface runoff and under the precipitation conditions for <br /> the waste management unit: <br /> b. effectively divert sheet flow runoff laterally, via the shortest <br /> distance, into the drainage and collection facilities; <br /> C. prevent surface erosion; <br /> d. control and intercept run-on, in order to isolate uncontaminated <br /> surface waters from water that might have come into contact with <br /> waste; <br /> e. take into account: <br /> L for closed waste management units and for closed portions <br /> of units, the expected final contours of the closed unit, <br /> including its planned drainage pattern; <br /> iii. for operating portions of waste management units other than <br /> surface impoundments, the unit's drainage pattern at any <br /> given time; <br /> iii. the possible effects of the waste management unit's <br /> drainage pattern on and by the regional watershed; <br /> iv. the design capacity of drainage systems of downstream and <br /> adjacent properties by providing for the gradual release of <br /> retained water downstream in a manner which does not <br /> exceed the expected peak flow rate at the point of discharge <br /> if there were no waste management facility; and <br /> If. preserve the system's function. The Discharger shall periodically <br /> remove accumulated sediment from the sedimentation or detention <br /> basins as needed to preserve the design capacity of the system. <br /> 8. Collection and holding facilities associated with precipitation and drainage <br /> control systems shall be emptied immediately following each storm or <br /> otherwise managed to maintain the design capacity of the system <br /> [Title 27, § 20365(d)]. <br />