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<br />mm~ANTA <br />ANA <br /> <br />Environmental G:t1ecklist <br />CE~ Compliance <br /> <br />Issues & Supporting Information Sources <br /> <br />Potentially <br />Significant <br />Impact <br /> <br />D. Create or contribute runoff water which would D <br />exceed the capacity of existing or planned <br />stormwater drainage systems or provide substantial <br />additional sources of polluted run-off? <br /> <br />E. Otherwise substantially degrade water quality? D <br /> <br />F. Place housing within a 100-year floodplain, as D <br />mapped on a federal Flood Hazard Boundary or <br />Flood Insurance Rate Map or other flood hazard <br />delineation map? <br /> <br />G. Place within a 100-year floodplain structures which D <br />would impede or redirect flood flows? <br /> <br />H. Expose people or structures to a significant risk of D <br />loss, injury, or death involving flooding, including <br />flooding as a result of the failure of a levee or dam. <br /> <br />I. Result in an increase in pollutant discharges to D <br />receiving waters? Consider water quality <br />parameters such as temperature, dissolved <br />oxygen, turbidity and other typical storm water <br />pollutants (e.g. heavy metals, pathogens, <br />petroleum derivatives, synthetic organics, <br />sediment, nutrients, oxygen-demanding <br />substances, and trash) <br /> <br />J. Result in significant alteration of receiving water D <br />quality during or following construction? <br /> <br />K. Could the proposed project result in increased D <br />erosion downstream? <br /> <br />L. Result in increased impervious surfaces and D <br />associated increased runoff? <br /> <br />M. Create a significant adverse environmental impact D <br />to drainage patterns due to changes in runoff flow <br />rates or volumes? <br /> <br />N. Tributary to an already impaired water body, as D <br />listed on the Clean Water Act Section 303(d) list: If <br />so, can it result in an increase in any pollutant of <br />which the water body is already impaired? <br /> <br />31A~23 <br /> <br />Less than <br />Significant <br />with <br />Mitigation <br />Incorporated <br /> <br />D <br /> <br />[gJ <br />D <br /> <br />D <br /> <br />D <br /> <br />[gJ <br /> <br />[gJ <br /> <br />[gJ <br /> <br />[gJ <br /> <br />[gJ <br /> <br />[gJ <br /> <br />Less Than <br />Significant <br />Impact <br /> <br />[gJ <br /> <br />D <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />No <br />Impact <br /> <br />D <br /> <br />D <br />[gJ <br /> <br />[gJ <br /> <br />[gJ <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br /> <br />D <br />