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Initial Study and Negative Declaration <br /> Government Code 65962.5 (Cortese List). Therefore, it would be a less-than- <br /> significant impact. <br /> e-f. The project site is located approximately 3.7 miles from the nearest airport <br /> runway at the Livermore Municipal Airport and is not located within the Airport <br /> Influence Area (AIA) indicated in the Livermore Municipal Airport's Airport <br /> Land Use Compatibility Plan or within the vicinity of a private airstrip. <br /> Therefore, these would be no-impact. <br /> g-h. The project site is located in an urbanized area and modifications to the <br /> property would not impair implementation of or physically interfere with an <br /> adopted emergency response plan or emergency evacuation plan. No <br /> roadways in the vicinity of the site would be modified as part of the project. <br /> Wildlands do not exist within or adjacent to the subject site. Therefore, these <br /> would be less-than-significant impacts. <br /> 5.9. HYDROLOGY AND WATER QUALITY <br /> ENVIRONMENTAL SETTING <br /> The National Pollutant Discharge Elimination System (NPDES) was established in the <br /> Clean Water Act to regulate municipal and industrial discharges to surface waters <br /> of the U.S. Non-point sources originate and diffuse over a wide area rather than <br /> from a definable point. Two types of non-point source discharges are controlled <br /> by the NPDES program: discharges caused by general construction activities, and <br /> discharge to the municipal storm water system. The project site does not contain <br /> creeks, wetlands, or other water bodies, and is almost completely covered with <br /> impervious surfaces. <br /> STANDARDS OF SIGNIFICANCE <br /> For purposes of this environmental document, an impact is considered significant if <br /> the proposed project would: <br /> • Substantially degrade water quality or violate any water quality objectives <br /> set by the State Water Resources Control Board due to increased sediments <br /> or other contaminants generated by consumption and/or operation <br /> activities; <br /> • Expose people or property to the risk of injury and damage in the event of a <br /> 100-year flood. <br /> Less Than <br /> Significant <br /> Potentially Impact With Less Than <br /> Significant Mitigation Significant No <br /> Issues Impact Incorporated Impact Impact <br /> 29 <br />