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Comment 1. 2. 3. 4. 5. 6. 7. Comment Letter California Regional Water Quality Control Board December 19, 2003 Response The Mitigated Negative Declaration prepared for the proposed project includes mitigation requiring the applicant to receive approval of a NPDES Permit for onsite dewatering activities and the discharge of groundwater effluent into the local storm water system. The Mitigated Negative Declaration prepared for the proposed project includes mitigation requiring the applicant to show proof of coverage under NPDES General Construction Activity Storm Water Permit. The preliminary hydrology report prepared for the proposed project identifies that the project would increase the surface water flows from the project site by 6.39 CFS. The project site is situated within a developed office center with existing drainage facilities. According to the City's Public Works Department, the existing drainage facilities would be able to accommodate increased surface water runoff from the project site. Comment Noted. The Mitigated Negative Declaration prepared for the proposed project includes mitigation requiring the applicant to prepare a NPDES post- construction storm water management plan per the Orange County Drainage Area Management Plan that includes all structural and non- structural Best Management Practices. See above response. As mentioned above the Mitigated Negative Declaration prepared for the proposed project includes mitigation requiring the applicant to receive approval of a NPDES Permit for onsite dewatering activities and the discharge of groundwater effluent into the local storm water system. CUP 04-24/DA 04-3mM 04-5 SPR 04-6NA 04-11/Z0A 04-5 EXHIBIT 21 pfJ5e-155