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U.S. DEPARTMENT OF HOMELAND SECURITY <br />FEDERAL EMERGENCY MANAGEMENT AGENCY O.M.BN& 1660-0016 <br />RIVERINE HYDROLOGY & HYDRAULICS FORM Expires February 28, 2014 <br />PAPERWORK BURDEN DISCLOSURE NOTICE <br />Public reporting burden for this form is estimated to average 3.5 hours per response. The burden estimate includes the time for reviewing instructions, <br />searching existing data sources, gathering and maintaining the needed data, and completing, reviewing, and submitting the form. You are not <br />required to respond to this collection of Information unless a valid OMB control number appears in the upper right corner of this form, Send comments <br />regarding the accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of <br />Homeland Security, Federal Emergency Management Agency, 1800 South Bell Street, Arlington VA 20958-3005, Paperwork Reduction Project <br />(1660-0016), Submission of the form is required to obtain or retain benefits under the National Flood Insurance Program. Please do not send your <br />completed survey to the above address. <br />PRIVACY ACT STATEMENT <br />AUTHORITY: The National Flood Insurance Act of 1968, Public Law 90-448, as amended by the Flood Disaster Protection Act of 1973, Public Law <br />93-234, <br />PRINCIPAL PURPOSE(S): This information is being collected for the purpose of determining an applicant's eligibility to request changes to National <br />Flood Insurance Program (NFIP) Flood insurance Rate Maps (FIRM). <br />ROUTINE USE(S): The information on this form may be disclosed as generally permitted under 5 U.S.0 § 552a(b) of the Privacy Act of 1974, as <br />amended. This includes using this information as necessary and authorized by the routine uses published in DHSIFEMNNFIP/LOMA-1 National <br />Flood Insurance Program (NFIP); Letter of Map Amendment (LOMA) February 15, 2006, 71 FR 7990, <br />DISCLOSURE: The disclosure of information on this form Is voluntary; however, failure to provide the information requested may delay or prevent <br />FEMA from processing a determination regarding a requested charLge to a NFIP Flood Insurance Rate Maps (FIRM). <br />Flooding Source: Whiskey and Mercer Creek <br />Note: Fill out one form for each flooding source studied <br />A. HYDROLOGY <br />1. Reason for New Hydrologic Analysis (check all that apply) <br />❑ Not revised (skip to section B) ❑ No existing analysis ® Improved data <br />❑ Alternative methodology ❑ Proposed Conditions (CLOMR) ❑ Changed physical condition of watershed <br />2. Comparison of Representative 1% -Annual -Chance Discharges <br />Location Drainage Area (Sq. Mi.) Effective/FIS (cfs) Revised (cfs) <br />Upstream Study Limits Distributary NIA 667 <br />5'^ Ave Distributary 395 (combined) 506 <br />R Methodology for New Hydrologic Analysis (check all that apply) <br />❑ Statistical Analysis of Gage Records [] PrecipitationlRunoff Model 4 Specify Model: <br />® Regional Regression Equations ❑ Other (please attach description) <br />Please enclose all relevant models in digital format, maps, computations (including computation of parameters), and documentation to support the <br />new analysis. <br />4. Review/Approval of Analysis <br />If your community requires a regional, state, or federal agency to review the hydrologic analysis, please attach evidence of approval/review. <br />5. Impacts of Sediment Transport on Hydrology <br />Is the hydrology for the revised flooding source(s) affected by sediment transport? ❑ Yes 0 No <br />If yes, then fill out Section F (Sediment Transport) of Form 3. If No, then attach your explanation.. <br />FEMA Form 088-0-27A, (212011) Previously FEMA Form 81-89 MT -2 Form 2 Page 1 of 3 <br />