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Home My WebLink About30031C0828D 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 ilivoloo.y. 501000m E JOINS PANEL 0830 s02000m E 110'58'07.5" The 1%annual chance flood(100-year flood),also known as the base flood,is the Flood Consulted for possible updated or additional flood hazard information. 45°43'07.5" 45°43'07.5" that has a 1%chance of being equaled or exceeded in any given year.The Special 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 of Special Flood Hazard include Zones A,AE,AM,AD,AR,A99,V and VE.The Base (BFEs)and/or floodways have been determined,users are encouraged to consult 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 contained within the Flood Insurance Study(FIS)report that accompanies NOTE:MAP AREA SHOWN ON THIS PANEL IS LOCATED this FIRM. Users should be aware that BFEs shown on the FIRM represent WITHIN TOWNSHIP 1 SOUTH,RANGE 6 EAST AND ZONEAE Base Flood Elevations determined. rounded whole-foot elevations. These BFEs are intended for flood insurance TOWNSHIP 2 SOUTH,RANGE 6 EAST. ZONE AM Flood 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 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 a verage depths determined. For areas of alluvial fan flooding,velocities construction and/or floodplain management. rZ8 27 also determined. ZONE AR Special FOOd Hoard Ared formerly protected from the 1%annual Coastal Base Flood Elevations shown onthis map apply only landward chance Flood by a Flood control system that w subsequently of 0.0' North American Vertical Datum of 1988(NAND 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 iANe being restored to provide protection from the 1% annual chance or Summary of Stillwater Elevations table in the Flood Insurance Study report y greater Flood. for this jurisdiction. Elevations shown in the Summary of Stillwater Elevations 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 protectlon system under construction; no Base Flood Elevations when they are higher than the elevations shown on this FIRM. determined. ZONE V Coastal Flood zone with velocity hazard(wave action); no Base Flood Boundaries of the floodways were computed at cross sections and interpolated Elevations determined. between cross sections. The floodways were based on hydraulic considerations 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 The floodway,is me channel of a stream glue any adjacent floodplain areas that must be Certain areas not in Special Flood Hazard Areas may be protected by flood GALLATIN COUNTY con roll structures. Refer to Section 2.4 "Flood Protection Measures" of UNINCORPORATED AREAS kept free of encroachment so that the 1%annual chance flood can be m,ded without the Flood Insurance Study report for information on flood control structures ey substantial increases in Flood heights. for this jurisdiction. '°Ss 300027 0 OTHER FLOOD AREAS (UTM The projection used in the preparation of this map was Universal Transverse P Mercator (UTM) zone 12. The horizontal datum was NAD83, GRS1980 ZONE Areas of o.z% annual chance Flood; a s of 1%annual chance Flood spheroid. Differences in datum, spheroid, projection or UTM zones used in with average depths of less man 1 foot a with drainage areas less than the production of FIRMS for adjacent jurisdictions may result in slight positional 1 square mile; and areas protected by levees from 1%annual chance su62 uom N I square d. differences in map features across jurisdiction boundaries. These differences do not affect the accuracy of this FIRM. Q OTHER AREAS Flood elevations on this map are referenced to the North American Vertical ZONE X Areas determined to be outside the 0.2%annual chance Floodplain. Datum of 1988. These flood elevations must be compared to structure and ground elevations referenced t0 the same vertical datum. For information ZONE D Areas in which Flootl hazards are undetermined,but possible. regarding conversion between the National Geodetic Vertical Datum of 1929 and the North American Vertical Datum of 1988, visit the National Geodetic ® COASTAL BARRIER RESOURCES SYSTEM(CBRS)AREAS Survey website at httpi/—.ngs.noaa.gov/ or contact the National Geodetic 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 48 National Geodetic Survey umrt of DETAILED sTuov ••--- FlIdplain boundary SSM -3,#9 es Highway �B ono •••"'qoF Floodway boundary 1 Po, - - Zone D boundary Silver Spring,MD 20910-3282 Y K y eBIocER cANvoN Rono r° ZONE A /`^°tip Lyman 0 CBRS Boundary and dividing ding Spa ary To obtain current elevation,description,and/or location information for bench marks Creek o Q '...487g �/- �—Boundary divdl Special Flood Hazard Areas of different shown on this map, please contact the Information Services Branch of the 11-, National Geodetic Survey at (301) 713-3242, or visit its website at V > 4 1 D 33 L Base Food Elevations,Flood depths or Rood velocities. httpJ/—.ngs.noaa.gov/. 4805 coo 4876 34 ^^^^�513^^^^� 4820 Base Flood Elevation ne and value;elevaton in feet* r m Base map information shown on this FIRM was provided in digital format by the o G Bridger Creek (EL 987) Base Rood Elevation value where uniform within zone; Gallatin CountyGIS Department. b M r7 ,•q elevation in fee* ZONEAE 4868 A 673 *Referenced to the North American Vertical Datum of 198E(NAVD 88) ro v 4795 a 9 �0 o h 1:1 /p � � W A A cross sectim line ,t This map reflects more detailed and up-to-date stream channel configurations m = N A�. ff 4848 v C o N 23 23 Trensect line than those shown on the previous FIRM for this jurisdiction. The floodplains 0��n v m f m or 4871 -------� m v and floodways that were transferred from the previous FIRM may have been srr„rrur° " ZONE AE \ v A ceogrepnic coordinates; referenced ro me Nam Amman adjusted to conform to these new stream channel configurations. As a ,� ro o •• �y 979T7'30",32°2'30" Geog of 19oo(NAD 83) result, the Flood Profiles and Floodway Data tables in the Flood Insurance �m yk Study report(which contains authoritative hydraulic data)may reflect stream mac° I NPRG 4275000mN 1000me[er Universal Transverse Mercator grid ticks,one Iz channel distances that differ from what is shown on this map. °' 4^�/ t 4849 O / 4819 48 6000000 M 20 h 5000-foot d tide: Alabama State Plane coordinate ceo M 9 p5N System,ea9 zone(RPSZONE 0101), Transverse Mercator Corporate limits shown on this map are based on the best data available e at the time of publication.Because changes due to annexations or de-annexations Z o. o m may have occurred after this map was published,map users should contact < DX5510 Bench mark(see explanation in Notes to Users section of a appropriate community officials to verify current corporate limit locations. rn i x this FIRM panel) Z a M1.5 Please refer to the separately printed Map Index for an overview map of the O River mile county showing the layout of map panels;community map repository addresses; so ,o,m � z and a Listing Of Communities table Containing National Flood Insurance Program 61 N MAP REPOSITORIES dates for each community as well as a listing of the panels on which each Rater to Map Repositories Ilet on Map Index community is located. EFFECTIVE DATE OF COUNTYWIDE Contact the FEMA Map Service Center at 1-800-358-9616 for information on FLOOD INSURANCE RATE MAP available products associated with this FIRM. Available products may include September 2,2011 previously issued Letters of Map Change, a Flood Insurance Study report, EFFECTIVE DATE(S)OF REVISION(S)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 Flood Insurance Program in general,please call 1-877-FEMA MAP(1-877-336-2627) T.1 S. or visit the FEMA website at http://—.fema.gov/. T,1 S. For community map revision history prior ro countywide mapping,refer to the Community T.2 S. T.2 S. Map History table located in the Flood Insurance Study report for this jurisdiction. To determine if flood insurance is available in this community, contact your insurance agent or call the National Flood Insurance Program at 1-800-638-6620. GALLATIN COUNTY Q UNINCORPORATED AREAS MAP SCALE 1"=500' 300027 250 0 500 10%ET METERS ® PANEL 0828D klik FIRM V m FLOOD INSURANCE RATE MAP N GUI mG ® GALLATIN COUNTY, m MONTANA m60soam N 4 3 m AND INCORPORATED AREAS PANEL 828 OF 1725 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) m CONTAINS: COMMUNITY NUMBER PANEL SUFFIX GALLATIN COUNTY 11117 11 D BOZEMAN,CITY OF S... cus D CITY OF BOQZEMAN�— Notice m Neer:The Mep NumUer how,below shoud bit 300028 Used when placing map o,do,,;r the community Number shown above should ba used on msuance applications for the subject � mmuniry. BIG GULCH DRIVE pOyA��T MAP NUMBER ® ,I 30031CO828D 4541'15.0" 45°4115.0" o1\' .,� EFFECTIVE DATE illroov0.0" JOINS PANEL0836 11W58'07.5• F ND se SEPTEMBER 2,2011 Federal Emergency Management Agency