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"The County has not adopted an air quality mitigation fee. However, the SJVAPCD recently adooted Rule 9510(Indirect Source Review), which will require developers to submit plans for review before construction can begin. The indirect source review program will also require developers to mitigate emissions of nitrogen oxides and PM10 either from project-implemented mitigation measures and/or from fees paid to fund other air qualiryprojects in order to offset emissions from development." No additional text changes are considered necessary. San Joaquin County Department of Public Works As requested by the commenter, the following clarification is made to page 3-14, 2nd full paragraph, to clarify the responsibility of the local agency in determining the boundaries of the 200-year flood hazard zone. In 2007, the State of California passed Senate Bill 5,which requires 200-year flood protection for urban or urbanizing areas. As part of the Senate Bill 5 process, the Department of Water Resources released preliminary maps that indicate portions of the project site are within the 200- year floodplain. While the State has net yet dote mond the official 200-year fleedplai„tea, flood hazard zone has not yet been determined,flood protection would be provided in the same manner in which 100-year flood protection is being provided, by raising the elevation through fill. The Mountain House Community Services District is responsible for determining the boundaries of the 200-year flood hazard zone and ensuring the necessary improvements are made to provide 200-year protection. As requested by the commenter,the following bullet is added to page 3-22 under"Approvals Required for the Project”to address the need for an encroachment permit for all work within 15 feet of the levee toe of Old River. Central Valley Flood Protection Board(encroachment permit for work within 15 feet of the Old River levee toe). As requested by the commenter,the following two text changes are made to clarify the datum used in the FEMA flood studies. On page 5-108: Flood Protection of Old River Engineered fill would be used to raise all building pads above the 100-year FEMA flood hazard zone. The FEMA-designated 100-year base flood elevation is 10.4 feet above ms', referenced to the North American Vertical Datum of 1988. On page 5-117,under Item g,the last sentence in the first paragraph: The current 100-year flood elevation for Old River is approximately 10.4 feet aboveffisi, referenced to the North American Vertical Datum of 1988. 5