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2.0 ENVIRONMENTAL CHECKLIST Permit and develop aProject-specific SWPPP prior to commencement of any construction activities. Development of a SWPPP, implementation of Best Management Practices (BMPs), and compliance with SWRCB NPDES permit requirements would reduce potential impacts associated with sedimentation or pollutant concentrations in storm water runoff originating from construction activities. In addition, BMPs as required by Measure WQ-1 for erosion control, would avoid potential erosion and sedimentation impacts to storm drains and/or receiving waters. g,h,i) Executive Order 11988 requires federal agencies to prepare floodplain assessments for actions located within or affecting floodplains; Executive Order 11990 places similar requirements on actions in wetlands. Portions of the proposed pipelines are within 100-year and 500-year floodplain and a wetland; however, proposed construction would not affect drainage or flooding conditions. The Project does not propose homes or other habitable structures within the 100-year flood boundary. The Project does not include any new structures that would impede or redirect flood flows. Therefore, no impacts relative to flooding are anticipated. j) The Project area is not subject to seiches, tsunamis, or mudflows, and no impacts are anticipated. MITIGATION MEASURES Measure WQ-1: Best Management Practices shall be implemented to minimize potential water quality impacts during construction. The City shall require contractors to implement Best Management Practices (BMPs) for construction activities as specified by the California Storm Water Best Management Practices Handbook (Storm Water Quality Task Force, 1993) and/or the Manual of Standards for Erosion and Sediment Control Measures (ABAG, 1995}. The BMPs include measures guiding the management and operation of construction sites to control and minimize the potential . contribution of pollutants to storm runoff from these areas. These measures address procedures for controlling erosion and sedimentation and managing all aspects of the construction process to ensure control of potential water pollution sources. Erosion and sedimentation control practices typically include: ^ Limiting construction to the dry-weather months; ^ Installation of silt fencing and/or straw wattle; ^ Soil stabilization; ^ Revegetation; and ^ Runoff control to limit increases in sediment in storm water runoff (e.g., straw bales, silt fences, check dams, geofabrics, drainage swales, and sand bag dikes). Measure WQ-2: The Project shall be designed and operated in accordance with the applicable requirements of Title 22, All landscape irrigation systems shall be operated in accordance with the requirements of Title 22 of the California Code of Regulations and any reclamation permits issued by the California Regional Water Quality Control Board, San Francisco Bay Region. In addition, it is recommended that the golf course operators re-evaluate their present fertilizer loading rates to account for the nitrate level in the applied recycled water. San L,earKlro Rccycled W atcr Project 2-33 ESA /?A3193 Drak IS/MND