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HomeMy WebLinkAbout30031C0835D NOTES TO USERS LEGEND This map is for use in administering the National Flood Insurance Program.It MM SPECIAL FLOOD HAZARD AREAS SFHM) SUBJECT TO does not necessarily identify all areas subject to flooding, particularly from local INUNDATION BY THE 1%ANNUAL C ANCE FLOOD drainage sources of small size.The community map repository should be 71056'15.0" s06000m E s070o0m E JOINS PANEL 0645 s08000m E =09°oam E 110W'30.0" The 1%annual chance t1Wd(100-year flood),also known as the base flood,is the Flood Consulted for possible updated or additional flood hazard information. 45%5'00.0' 45°45'00.0' that has a 1%chance of being equaled or exceeded in any given year.The Special Mjh W Flood Hazard Area is the area subject to Flooding by the 1%annual chance flood.Areas To obtain more detailed information In areas where Base Flood Elevations .1, TANNE of Special Flood Hazard include Zones A,AE,AH,AD,AR,A99,V and VE.The Base (BFEs)and/or floodways have been determined,users are encouraged to consult ce h'd srRR"ffil E Flood Elevation is the water-surface elevation of the 1%annual Chance Flood. the Flood Profiles and Floodway Data and/or Summary of Stillwater Elevations ZONE A No Base Flood Elevations determined. tables caained within the Flood Insurance Study(FIS)report that accompanies ZONE AE Base Flood Elevatbns determined. this FIptRM. Users should be aware that BFEs shown on the FIRM represent 5066°0°"h N rounded whole-foot elevations. These BFEs are intended for flood insurance I� ZONEAH Rood depths of 1 to 3 feet(usually areas of ponding); Base Flood rating purposes only and should not be used as the sale source of flood Elevations determined. elevation information. Accordingly, flood elevation data presented in the FIS 13 1 O 1 7 16 ZONE AO Flood depths of 1 to 3 feet (usually sheet Flow on sloping terrain); report should be utilized in conjunction with the FIRM for purposes of h I O average depths determined. For areas of alluvial fan flooding,velocities construction and/or floodplain management. I also determined. ZONE AR Special Flood Hazard Area formerly protected from the 1%annual Coastal Base Flood Elevations shown onthis map apply only landward POpO chance Flood by a Flood control system that was subsequently of 0.0' North American Vertical Datum of 1988(NAVD 88). Users of this decertified. Zone AR indicates that the former flood control system is FIRM should be aware that coastal flood elevations are also provided in the Po° being restored to provide protection from the 1% annual chance or Summary of Stillwater Elevations table in the Flood Insurance Study report ee greater Flood. for this jurisdiction. Elevations shown in the Summary of Stillwater Elevations tee ZONE A99 Area to be protected from 1% annual chance Flood by a Federal table should be used for construction and/or floodplain management purposes — — flood protection system under construction; no Base Flood Elevations when they are higher than the elevations shown on this FIRM. determined. ZONE V Coastal Flood sone with velocity hazard(wave action); no Base Flood Boundaries of the floodways were computed at cross sections and interpolated r Elevations determined. between cross sections. The floodways were based on hydraulic considerations ' I ZONE VE Coastal flood zone with velocity heard (wave action); Base Flood with regard to requirements of the National Flood Insurance Program. Floodway ' Elevations determined. widths and other pertinent floodway data are provided in the Flood Insurance Study report for this jurisdiction. FLOODWAY AREAS IN ZONE AE Certain areas not in Special Flood Hazard Areas may be protected by flood +I The floodway,is the channel of a stream plus any adjacent floodplain areas that must be control structures. Refer to Section 2.4 "Flood Protection Measures" of 5065 0°"N a ' kept free of encroachment so that me 1%annual chance Flood can be carried without the Flood Insurance Study report for information on flood control structures \ ' I substantial increases in Flood heights. for this jurisdiction. OTHER FLOOD AREAS The projection used in the preparation of this map was Universal Transverse -- yDPo Mercator (UTM) zone 12. The horizontal datum was NAD83, GRS1980 24 21 zoNEx I Areas of 0.z% shoal chance Flood; areas of 1%ageual chance Flood spheroid. Differences in datum, spheroid, projection or UTM zones used in SHADO`N average depths of less man 1 foot car with drainage areas less man the production of FIRMS for adjacent jurisdictions may result in slight positional square mile; and areas protected by levees trap 1%annual chance differences in map features across jurisdiction boundaries. These differences I 19 AOkvpk20 Nev=� fly' do not affect the accuracy of this FIRM. OTHER AREAS z Flood elevations on this map are referenced to the North American Vertical ZONE X Areas determined to be outside the 0.2%annual chance Flood lain. Datum of 1988. These flood elevations must be compared to structure and oe r`em p ground elevations referenced t0 the same vertical datum. For information z `ce ��q� S ZONE D Areas in which Flootl hazards are undetermined,but possible. regarding conversion between the National Geodetic Vertical Datum of 1929 O and the North American Vertical Datum of 1988, visit the National Geodetic I y ® COASTAL BARRIER RESOURCES SYSTEM(CBRS)AREAS Survey website at httpi/—.ngs.noaa.gov/ or contact the National Geodetic z' Survey at the following address: OTHERWISE PROTECTED AREAS(OPAS) NGS Information Services cBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas. NOAA,N/NGS12 National Geodetic Survey +I Floodplain boundary SSMC-3,M9202 so64 00 floodway boundary 1315 East-West Highway Silver Spring,MD 20910-3282 - - Zone D boundary •���������������• CBRS and OPA boundary To obtain current elevation,description,and/or location information for bench marks shown on this map, please contact the Information Services Branch of the 0�Boundary dividing Special Flood Hazard Areas of different National Geodetic Survey at (301) 713-3242, or visit its website at Base Flood Elevations,Flood depths or flood wocaies. httpJ/—.ngs.noaa.gov/. 513— Base Flood Elevation line and value;elevation in feet* Base map information shown on this FIRM was provided in digital format by the I (EL 987) Base Flood Elevation value where uniform within zone; Gallatin County GIS Department. elevation in t* GALLATINCOUNTY Referenced to the North American Vertical Datum of 198E(NAVD 88) a `rose section line This map reflects more detailed and up-to-date stream channel configurations UNINCORPORATED AREAS a�J 23 - -� Trensect line than those shown on the previous FIRM for this jurisdiction. The floodplains 3000'�'7 and floodways that were transferred from the previous FIRM may have been Geographic coordinates referenced to the Nam American adjusted to conform to these new stream channel configurations. As a 9790730",32°2'30" Datum of 1983(NAD 83) result, the Flood Profiles and Floodway Data tables in the Flood Insurance y�a PUR 4275°0°'"N 1000meter Universal Transverse Mercator Itl flea,cone 12 Study report(which contains authoritative hydraulic data)may reflect stream m 25 grid channel distances that differ from what is shown on this map. o eBIDceB CANYON mono 30 29 28 6000000 M 5000-foot grid Lida: Alabama State Plane coordinate Corporate f pub shown on this map are boo a ne the best data available so63000m system,east zone(FIPSZONE 0101), Transverse Mercator at the time of publication.Because changes due to annexations or de-annexations m may have occurred after this map was published,map users should contact I " DX5510 eahcn mark(see explanation in Notes to users section of appropriate community officials to verity current corporate limit locations. z X this FIRM panel) ZONE D d M7.5 Please refer to the separately printed Map Index for an overview map of the m River Mile county showing the layout of map panels;community map repository addresses; rHOF egK O Z MAP REPOSITORIES and a Listing of Communities table containing National Flood Insurance Program cP c cl.ouo Nwe dates for each community as well as a listing of the panels on which each m'm' v/+/4 ao4o Refer to Map Repositories list on Map Index community is located. m EFFECTIVE DATE OF COUNTYWIDE Contact the FEMA Map Service Center at 1-800-358-9616 for information on °a FLOOD INSURANCE RATE MAP available products associated with this FIRM. Available products may include (S)OFSepte R er2,2o11 previously issued Leiters of Map Change, a Flood Insurance Study report, EFFECTIVE DATES)OF REVISIONS)TO THIS PANEL and/or digital versions of this map.The FEMA Map Service Center may also be reached by Fax at 1-800-358-9620 and its website at httpJ/www.msc.fema.gov/. If you have questions about this map or questions concerning the National HFEE aEq N Flood Insurance Program in general,please call 1-877-FEMA MAP(1-877-336-2627) or visit the FEMA website at http://—.fema.gov/. 9oy LANE For canmun'dy map revision history prior to countywide mapping,refer to the Community O p Story table located in the Float Insurance Stud report for this I Map Hi yjurisdiction. a0 Odom — c To determine if flood insurance is available in this community, contact your 62 N- � insurance agent or call the National Flood Insurance Program at 1-800-638-6520. 4iD ILe1Hlh OS6 OPO LIMIT OF STUDY /NT MAP SCALE 1"=1000'P 9ogo 600 0 1000 �(jpp FEET METERS 300 36 31 32 33 eQ ZONE a PANEL 0835D O ° ud eP° FIRM0 TV ? RSE¢ I+ I+ IM FLOOD INSURANCE RATE MAP 61Won N- I+ � GALLATIN COUNTY, o MONTANA T.1 s. T 1 s AND INCORPORATED AREAS T.2 S. rE<c` T.2 S. POOK x Ro. DELL RDA D PANEL 835 OF 1725 D (SEE MAP INDEX FOR FIRM PANEL LAYOUT) rtNro I m CONTAINS: ti COMMUNITY NUMBER PANEL SUFFIX CAD LATI DALN COUNTY 30W27 0935 D aI P �DOC g I+ of sO60O0°m N 1 "ODk POPO + 6 m g 4 lo Notice to Usual:The Map Numbar shown below slhoua be Used when planing map o,do,,;the community Number shown above should ba used on msurence applications for the subject mmuniry. ULioeyA�� MAP NUMBER w,I ® , 30031CO835D 45'41'15.0' xm 4b•arts.o' o' EFFECTIVE DATE 110'56'15.0' JOINS PANEL 0845 nosz'ao.o' FxaND se°� SEPTEMBER 2,2011 Federal Emergency Management Agency