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MOUNT4,,USE NEIGHBORHOODS K AND L INRIAL STUDY AFFE N oix A Person/ Timing or Monitoring Agency Frequency of Impact, Mitigation Measure Requirements Responsible° Monitoring' h) An estimate shall be made of the wastewater volume that may seep from the Documentation from CVRWQCB,SJCDPW DP for wastewater wastewater storage ponds,and an assessment of potential flow paths from pond seepage CVRWQCB. treatment plant shall be determined for the interim and potential permanent reclamation sites. The result of the assessment shall be submitted to the CVRWQCB for determination of whether agricultural drain discharge from land irrigated with reclaimed water would be regulated as a point-source discharge under the NPDES program. The determination by the CVRWQCB shall be provided in the reclamation plan. If it appears likely that the CVRWQCB would regulate the agricultural drain discharge,then assurance that the discharge would be allowed must be documented prior to approval of the reclamation plan M4.4.2.3 a)Beneficial reuse of sewage sludge shall be implemented to the maximum extent possible Review of plan. SJCDPW,MHCSD SP An inadequate wastewater sludge treatment and to minimize sludge disposal at a landfill or at a dedicated site disposal system could adversely impact water b) Interim Disposal. If the sludge meets acceptance criteria of a specific landfill,the sludge Review SJCDPW SP resources and public health. Scarce municipal shall be initially disposed of at an appropriately permitted landfill. Sludge shall meet documentation of landfill space may be occupied by sludge if nonhazardous classification and shall be dried to a minimum of 50 percent solids priorto sludge disposal. alternative disposaVreuse options were not disposal at a landfill. The duration of landfill disposal shall not exceed two years from the aggressively pursued, startup of the activated sludge treatment process,unless the sludge disposal program described in Implementation e)concludes that landfill disposal of wastewater sludge is the only viable option. - c)If landfill disposal of the wastewater sludge were proposed,an agreement or"will serve' Review SJCCDD,SJCDPW SP letter with a landfill that would accept the sludge for at least the next five years shall be documentation from provided with the Initial Wastewater Sludge Disposal Plan or subsequent specific plan. If disposal site. land spreading ordedicated land disposal were proposed,then guarantees of adequate acres for sludge disposal for at least the next five years must be provided. Provisions for sludge disposal shall be updated annually so that there are always firm provisions for disposal for at least five years into the future. M4.4.2.4 a)The wastewater treatment and storage pond levees shall be capable of withstanding a Review pond design. MHCSD DP Failure of the levees around wastewater maximum credible earthquake;ponds located within the 100-year Floodplain shall prevent treatment and storage ponds could cause inundation due to levee failure along Old River or other nearby waterways,be capable of flooding in the surrounding areas. withstanding the effects of flooding,and shall not impair the structural integrity of existing flood control levees. b)The detailed design of the wastewater treatment and storage pond levees shall be Review pond design. SJCBD DP included in the Reclamation Plan and initial Development Permit for the Wastewater Treatment Plant,and in all subsequent reclamation plans where additional ponds are proposed. The pond levees within the 100-year flood plain shall meet,as a minimum,the requirements of Section 65.10 Mapping of Areas Protected By Levee Systems,44 CFR Ch. I and the design standards specified herein. (11122111) A-5