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<br />mY~~ANTA <br />ANA <br /> <br />Environmental Checklist <br />For CEQA Compliance <br /> <br />Issues & Supporting Information Sources <br /> <br />C. Substantially alter the existing drainage pattern of <br />the site or area, including through the alteration of <br />the course of a stream or river, or substantially <br />increase the rate or amount of surface runoff in a <br />manner which would result in flooding on- or off- <br />site? <br /> <br />D. Create or contribute runoff water which would <br />exceed the capacity of existing or planned storm <br />water drainage systems or provide substantial <br />additional sources of polluted run-off? <br /> <br />E. Otherwise substantially degrade water quality? <br /> <br />F. Place housing within a 100-year floodplain, as <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 flooqplain structures which <br />would impede or redirect flood flows? <br /> <br />H. Expose people or structures to a significant risk of <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 <br />receiving waters? Consider water quality <br />parameters such as temperature, dissolved <br />oxygen, turbidity and other typicai 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 <br />quality during or following construction? <br /> <br />K. Could the proposed project result in increased <br />erosion downstream? <br /> <br />L Result in increased impervious surfaces and <br />associated increased runoff? <br /> <br />db\Env Form CEQA Chklst <br /> <br />AT~~5if1 B <br /> <br />Potentially <br />Significant <br />Impact <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />Potentially <br />Significant <br />Unless <br />Mitigation <br />Incorporated <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />~ <br /> <br />)Q <br />~ <br /> <br />o <br /> <br />Less Than <br />Significant <br />Impact <br /> <br />)zf <br /> <br />~ <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />K <br /> <br />No <br />Impact <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />x <br /> <br />>> <br />)( <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />o <br /> <br />Page 6 of 12 <br />