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Section 5 <br />surface runoff in a manner which would result in substantial erosion <br />or siltation on-or off-site? <br />5. Would the project create or contribute runoff water which would <br />exceed the capacity of existing or planned storm water drainage <br />systems or provide substantial additional sources of polluted runoff. <br />6. Would the project otherwise degrade water quality? <br />7, Would the project place within a 100 -year flood hazard structures <br />which would impede or redirect flood flows. <br />5.7,4 Project Impacts <br />IMPACT HWQ-1: Would the project violate Regional Water Quality Control <br />Board Water Quality standards or waste discharge standards? <br />Alternative 1: No Federal Action/No Project <br />Under Alternative 1, the project would not be implemented. Recycled water from <br />OCWD GWRS System would not be injected into the groundwater basin at <br />Centennial Park and there would be no potential for conflicts with the Santa Ana <br />River Basin Plan or RWQCB standards regarding use of GWRS recycled water <br />to replenish the Orange County Groundwater Basin. <br />Alternative 2: Proposed Project <br />The Source of water for the Mid Basin Centennial Park Injection Well Project <br />Would be advanced recycled water from GWRS water treatment plant. The use of <br />the GWRS recycled water for groundwater replenishment would be permitted <br />under RWQC13 Order RS-2004-0002, and subsequent amendment 88 -2008- <br />0058. These two permits specify water recycling requirements for the GWRS. <br />Compliance with the Regional Water Quality Control Board permit requirements <br />would ensure that the use of GWRS as the source of water for the Mid Basin <br />Centennial Park Injection Well Project would not violate Regional Water Quality <br />Control Board recycled water quality standards, <br />Beneficial Uses <br />The Greenville Banning Flood Control Channel and Centennial Lake are not <br />included, in the Basin Plan and have not been identified for beneficial uses. <br />Therefore, no conflicts with beneficial uses for these two bodies would occur. <br />Santa River Reach 1 has been identified for REC 1 and REC 2 Beneficial Uses <br />and Intermittently Beneficial Uses for Warm and Rare Waters. The Proposed <br />Project would not discharge waters or materials or involve any activities that <br />would be in conflict with Beneficial Uses established for Santa Ana River Reach <br />1. <br />rrm Mid Basin Centennial, Park A'1&_r2Vf6 Project Final EIR 5-109 <br />