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M m <br /> X p <br /> CD D <br /> n <br /> c <br /> CD <br /> CO <br /> Table 2-2 <br /> Summary of Impacts and Mitigation Measures <br /> v <br /> Significance Significance <br /> Impacts Before Mitigation Measures After <br /> Mitigation Mitigation <br /> Furthermore,the cooling tower or equivalent technology will be <br /> designed to cool treated effluent to meet all California Thermal Plan <br /> objectives that were established,in part,to be protective of beneficial <br /> uses including cold water fish habitat.The cooling tower or <br /> equivalent technology cooling capacity of 15°F would achieve an <br /> effluent temperature within 3°F to 4°F of the ambient river <br /> temperature. <br /> Before the design of the cooling tower or equivalent technology is <br /> finalized,the City of Manteca will obtain the approval of the <br /> RWQCB indicating that the cooling tower or equivalent technology <br /> design is adequate to address concerns regarding discharge of higher <br /> temperature treated effluent into the San Joaquin River. <br /> The cooling tower or equivalent technology will be constructed, <br /> °D installed,and operated in accordance with the approved final design <br /> prior to operating the WQCF at the expanded capacity(i.e.,greater <br /> than 9.87 mgd ADWF). <br /> W <br /> 4.13-3: Population-or Community-level Effects to Fish or LTS No mitigation is necessary. LTS <br /> Macroinvertebrates from the Incremental Increase in <br /> CD <br /> v Downstream Water Temperatures(Fully Mixed Condition). <br /> pThe proposed project would result in small incremental increases <br /> 0 in the fully mixed San Joaquin River/Delta water temperatures <br /> v downstream of the discharge outfall.Under all conditions above <br /> critical water year flow rates,the proposed project at full build- <br /> 0 out condition would result in a fully mixed regime downstream <br /> CD <br /> of the discharge that is near equivalent to that under the existing <br /> permitted condition(<l%effluent contribution).These effluent <br /> CO contributions would result in negligible incremental increases in <br /> downstream water temperatures.Based on these findings,the <br /> proposed project would have a less-than-significant impact to <br /> 0 CO fully mixed lower San Joaquin River/Delta water temperatures. <br /> o <br /> Cn <br /> � v <br /> v Cn <br /> m m <br /> v �u <br /> LTS=Less than Significant S=Significant PS=Potentially Significant SU=Significant and Unavoidable <br />