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Table 2-1 (continued) Summary of Impacts and Mitigation Measures (Applicable to Program and Project-Specific Impacts) Q ; Impact Significance Mitigation Measure Significance 0 before Mitigation after Mitigation o 4.8 Water Quality m = 4.8.1.Water Quality—Potential Temporary Construction- PS 4.8-1.Water Quality—Potential Temporary Construction-Related LTS y Related Water Quality Effects.Temporary construction-related Water Quality Effects.The College Park developers shall consult disturbances within the College Park site could result in the with the Central Valley RWQCB to acquire the appropriate regulatory Cn discharge of contaminated stormwater and non-stormwater approvals that may be necessary to obtain Section 401 water quality discharges to drainage systems and ultimately the Mountain House certification,ensure compliance with the SWRCB statewide NPDES Creek channel and Old River.A potentially significant impact would stormwater permit for general construction activity and the Central occur. Valley RWQCB NPDES permit for construction dewatering activity, and obtain any other necessary site-specific WDRs or waivers d issued pursuant to the Porter-Cologne Act.As required under the NPDES stormwater permit for general construction activity,the project applicant shall prepare a SWPPP and any other necessary engineering plans and specifications for pollution prevention and control.The SWPPP and other appropriate plans shall: �, ► Identify and specify the use of erosion and sediment control BMPs,means of waste disposal,implementation of approved local plans,non-stormwater management controls,permanent postconstruction BMPs,and inspection and maintenance responsibilities; ► Specify the pollutants that are likely to be used during construction that could be present in stormwater drainage and non-stormwater discharges; Specify BMP inspection protocols to ensure that the BMPs are effective and ensure that the monitoring is conducted if nonvisible pollutants are inadvertently discharged into stormwater. Identify construction techniques that will reduce the potential for runoff; ► Identify the erosion and sedimentation control measures to be implemented; Specify spill prevention and contingency measures; ► Identify the types of materials used for equipment operation; rn ► Identify measures to prevent or clean up spills of hazardous 3 mm materials used for equipment operation and hazardous waste;