ARCHIVED REPORTS_1989-2005 - Laserfiche WebLink

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1� WASTE DISCHARGE REQUIREMENTS FORWARD INCORPORATED WASTE MANAGEMENT FACILITY CLASS II LANDFILLS CLASS III LANDFILLS CLASS II SURFACE IMPOUNDMENT CLASS II LAND TREATMENT UNIT CLOSURE OF CLASS I LANDFILL SAN JOAQUIN COUNTY -14- individual as meeting the prescriptive standards and performance goals of Subchapter 15 and the approved project plans and specifications prior to waste discharge. WATER QUALITY PROTECTION STANDARDS 15. The concentrations of indicator parameters or waste constituents in waters passing through the Points of Compliance shall not exceed the "water quality protection standards" established pursuant to Monitoring and Reporting Program No. 89-148, which is attached to these waste discharge requirements. TA 9:1011 to I. Ll 0 AA1 TW 16. Waste management units shall be designed, constructed, and operated to prevent inundation or washout due to floods with a 100 -year return period. Class II surface impoundments, landfills, and related containment structures shall be constructed and maintained to prevent inundation, erosion; slope failure, washout, and overtopping under 1,000 -year, 24-hour precipitation conditions and the 100 -year wet season without using the required two feet of freeboard. Class III landfill units and related containment structures shall be constructed and maintained to prevent ponding, infiltration, inundation, erosion, slope failure, washout, and overtopping under 100 -year, 24-hour precipitation conditions. 17. Precipitation and drainage control systems shall be designed and constructed to accommodate the anticipated volume of precipitation and peak flows from surface runoff as follows: Classification Storm Size Class II WMUs 1,000 -year, 24-hour Class III WMUs 100 -year, 24-hour 18. Surface drainage from tributary areas and internal site drainage from surface or subsurface sources shall not contact or percolate through wastes.