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Henna Khan,Project Planner <br /> Page 2 <br /> May 28, 2026 <br /> • If the area of construction is located within a Regulatory Floodway as delineated on the <br /> FIRM, any development must not increase base flood elevation levels. The term <br /> development means any man-made change to improved or unimproved real estate, <br /> including but not limited to buildings,other structures, mining,dredging, filling, <br /> grading, paving,excavation or drilling operations,and storage of equipment or <br /> materials. A hydrologic and hydraulic analysis must be performed prior to the start of <br /> development and must demonstrate that the development would not cause any rise in <br /> base flood levels. No rise is permitted within regulatory floodways. <br /> • Upon completion of any development that changes existing Special Flood Hazard Areas, <br /> the NFIP directs all participating communities to submit the appropriate hydrologic and <br /> hydraulic data to FEMA for a FIRM revision. In accordance with 44 CFR, Section 65.3, <br /> as soon as practicable, but not later than six months after such data becomes available, a <br /> community shall notify FEMA of the changes by submitting technical data for a flood <br /> map revision. To obtain copies of FEMA's Flood Map Revision Application Packages, <br /> please refer to the FEMA website at https://www.fema.2ov/flood-maps/change- <br /> yourflood-zone/paper-application-forms. <br /> Please Note: <br /> Many NFIP participating communities have adopted floodplain management building <br /> requirements which are more restrictive than the minimum federal standards described in 44 <br /> CFR. Please contact the local community's floodplain manager for more information on local <br /> floodplain management building requirements. The San Joaquin County floodplain manager can <br /> be reached by calling V.Venki Narasimhalu, Senior Water Resources Engineer at(209) 953- <br /> 7611. <br /> If you have any questions or concerns,please do not hesitate to contact Gabriel Riggle of the <br /> Mitigation staff at gabriel.riggle(c�,fema.dhs.gov. <br /> Sincerely, <br /> X I N G L I U Datea2026 05,29 14:5253-0T00' <br /> Xing Liu, Branch Chief <br /> Floodplain Management and Insurance Branch <br /> w .fema.gov <br />