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<br />not properly disposed of, the grease could potentially create <br />blockage of sewer lines, which could result in damages to both <br />public and private property. Additionally, the spillage could <br />potentially result water quality impacts. Such impacts could <br />potentially be in conflict with water quality standards <br />established by the State Regional Water Quality Control Board. <br />Additionally, during construction operations surface runoff on <br />the project site could be potentially degraded. <br /> <br />To reduce potential water quality impacts to a level considered <br />less than significant the following mitigation measure shall be <br />implemented. <br /> <br />Mitigation Measure <br /> <br />· Prior to issuance of a grading permit the applicant shall <br />prepare an NPDES post-construction storm water management <br />plan per Orange County Drainage Area Management Plan (DAMP) <br />that includes all structural and non-structural Best <br />Management Practices. <br /> <br />a. Submit and have approved a surface drainage/utility plan <br />that includes all Structural Best Management Practices. <br /> <br />b. Provide two copies of the Water Quality Management Plan <br />that includes a description of all-applicable Structural <br />and Non-Structural Best Management Practices, which may <br />apply to this project. <br /> <br />· Building plans shall reflect that the proposed project is <br />fitted with a grease interceptor to the size and capacity <br />as designated by the Building Safety Division of the City <br />of Santa Ana to mitigate impacts on the local sanitary <br />sewer system and regional water quality. Such grease <br />interceptor shall be regularly maintained so as to remain <br />fully functional. <br /> <br />(B.Q) No Impact <br /> <br />The proposed project would involve a limited amount of <br />excavation. It is anticipated that construction operations for <br />the proposed project would not require de-watering activities. <br />The long-term operation of the proposed project would not have <br />any impact on groundwater supplies. Additionally, the proposed <br />project would not interfere with ground water recharge because <br />the site is not located in an area that is not known to recharge <br />the ground water system. <br /> <br />10 <br /> <br />7~SZ:621 <br />