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HYDROLOGY AND WATER QUALITY(SECTION 4.5) Significant Impact Impact 4.5-4: The proposed project would incrementally increase surface runoff from additional impervious surfaces and provide and additional source of polluted runoff, but would not exceed the capacity of the storm drain system. Finding Changes or alterations have been required in, or incorporated into, the project which mitigate or avoid the significant effects on the environment. Facts in Support of Finding The City of Pleasanton has adopted the following measures which will reduce potential surface runoff impacts to a less-than-significant level: Mitigation Measure 4.5-4: The project sponsor, working with the Alameda Countywide Clean Water Program, shall implement a program to educate buyers about the potential water quality effects of stormwater pollution and effective measures to prevent the generation of stormwater pollutants from residential land uses. At a minimum, the program shall address stormwater pollutants such as hazardous materials commonly used in household applications; spilled oil, fuel, and other fluids such as antifreeze from vehicles; construction debris; landscape chemicals such as pesticides, herbicides, and copper-based algaecides; used packing materials: paint products; trash and litter; excess irrigation; and car washing. Educational materials developed under this program shall identify alternative products that are more environmentally friendly as well as methods to control stormwater pollutants at their source. The materials shall also be consistent with materials available from the Alameda Countywide Clean Water Program and shall be provided to the buyer at the time of purchase. TRAFFIC AND CIRCULATION(SECTION 4.6) Significant Impact Impact 4.6-2: The project would result in long-term traffic increases at local intersections and incrementally degrade level of service operation at these intersections. Finding Changes or alterations have been required in, or incorporated into, the project which mitigate or avoid the significant effects on the environment. Facts in Support of Finding The City of Pleasanton has adopted the following measures which will reduce potential impacts related to long-term traffic increases to a less-than-significant level: Mitigation Measure 4.6-2: The project's impact on study intersections would be mitigated by the payment of traffic impact fees, which is proposed by the project applicant. The need to signalize the Sunol Boulevard/l-680 Northbound Ramp and Sunol Boulevard/I-680 Southbound Ramp intersections have been identified in the City's General Plan as future planned improvements to which the project would contribute through the payment of traffic impact fees. With signalization, these intersections would operate at acceptable service levels, reducing this impact to a less-than-significant level. LUND RANCH II(PUD-25)RESIDENTIAL PROJECT 14 FINDINGS