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Henna Khan,Project Planner <br /> San Joaquin County <br /> Page 2 <br /> May 14, 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.gov/flood-maps/change- <br /> ,yourflood-zone/paper-app 1 ication-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 Lodi floodplain manager can be reached by <br /> calling Charles Swimley,Director of Public Works, at(209) 333-6706. The San Joaquin County <br /> floodplain manager can be reached by calling V.Venki Narasimhalu, Senior Water Resources <br /> Engineer at(209) 953-7611. <br /> If you have any questions or concerns,please do not hesitate to contact Gabriel Riggle of the <br /> Mitigation staff at gabriel.rigglegfema.dhs.gov. <br /> Sincerely, <br /> X I N G L I U Dade:202 05.1911X46 48I 07'00' <br /> Xing Liu,Branch Chief <br /> Floodplain Management and Insurance Branch <br /> www.feina.gov <br />