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Environmental Checklist CEQA Compliance Less than Significant Potentially with Less Than Significant Mitigation Significant No Issues 8~ Supporting Information Sources Impact Incorporated Impact Impact D. Create or contribute runoff water which would ^ ^ ® ^ exceed the capacity of existing or planned stormwater drainage systems or provide substantial additional sources of polluted run-off? E. Otherwise substantially degrade water quality? ^ ® ^ ^ F. Place housing within a 100-year floodplain, as ^ ^ ^ mapped on a federal Flood Hazard Boundary or Flood Insurance Rate Map or other flood hazard delineation map? G. Place within a 100-year floodplain structures which ^ ^ ^ would impede or redirect flood flows? H. Expose people or structures to a significant risk of ^ ^ ^ loss, injury, or death involving flooding, including flooding as a result of the failure of a levee or dam. I. Result in an increase in pollutant discharges to ^ ® ^ ^ receiving waters? Consider water quality parameters such as temperature, dissolved oxygen, turbidity and other typical storm water pollutants (e.g. heavy metals, pathogens, petroleum derivatives, synthetic organics, sediment, nutrients, oxygen-demanding substances, and trash) J. Result in significant alteration of receiving water ^ ® ^ ^ quality during or following construction? K. Could the proposed project result in increased ^ ® ^ ^ erosion downstream? L. Result in increased impervious surfaces and ^ ® ^ ^ associated increased runoff? M. Create a significant adverse environmental impact ^ ® ^ ^ to drainage patterns due to changes in runoff flow rates or volumes? N. Tributary to an already impaired water body, as ^ ® ^ ^ listed on the Clean Water Act Section 303(d) list: If so, can it result in an increase in any pollutant of which the water body is already impaired? 3 ~-~23