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Home My WebLink About30031C0837D 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 t1o°58'D7.5" 503"1"E JOINS PANEL 0829 104ocom E 110°58'15.0" 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°47'15.0" 45'41'15.0" 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,AH,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 1 ZONE A No Base Flood Elevations determined. tables contained within the Flood Insurance Study(FIS)report that accompanies this FIRM. Users should be aware that BFES shown on the FIRM represent 3 2 z0NEAE Base Flood Elevations determined. rounded whole-foot elevations. These BFES are intended for flood insurance ZONE AN 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 average depths determined. For areas of alluvial fan flooding,velocities construction and/or floodplain management. lso determined. ZONE AR Special Flood Hazard Area 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 fanner Flootl control system is FIRM should be aware that coastal flood elevations are also provided in the so59000m being restored to provide protection from me 1% annual chance or Summary of Stillwater Elevations table in the Flood Insurance Study report 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 Fedeml 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 m 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 fl00dway5 were based on hydraulic considerations ZONE VE Coastal Hood cone with velocity hazard (wave action); ease 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. GALLATIN COUNTY FLOODWAY AREAS IN ZONE AE Certain areas not in Special Flood Hazard Areas may be protected by flood UNINCORPORATED AREAS The flood ay is the channel of a stream plus any adjacent flootlplain areas that must be control structures. Refer to Section 2.4 "Flood Protection Measures" of kept free of encroadhment so that the 1%annual chance Flood can be carried without the Flood Insurance Study report for information on flood control structures 300027 substantial increases in Flood heights. for this jurisdiction. OTHER FLOOD AREAS The projection used in the preparation of this map was Universal Transverse Mercator (UTM) zone 12. The horizontal datum was NAD83, GRS1980 ZONE Areas of 0.2% annual chance Flood; areas of 1%annual chance Flood spheroid. Differences in datum, spheroid, projection or UTM zones used in with average depths of less than 1 foot or with drainage areas less man the production of FIRMS for adjacent jurisdictions may result in slight positional 1 square mile; and areas protected by levees from 1%annual chance differences in map features across jurisdiction boundaries. These differences flood. 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 to 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 1 rZ ® COASTAL BARRIER RESOURCES SYSTEM(CBRS)AREAS Survey website at httpi/www.ngs.noaa.gov/ or contact the National Geodetic Survey at the following address: 10 OTHERWISE PROTECTED AREAS(OPAS) NGS Information Services 1 1 CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas. NOAA,N/NGS12 National Geodetic Survey Floodplain boundary SSMC-3,M9202 Fl-dway boundary 1315 East-West Highway Silver Spring,MD 20910-3282 - - Zone D boundary aaaaa..aaaaaaaaaa CBRS and OPA boundary To obtain current elevation,description,and/or location information for bench marks o shown on this map, please contact the Information Services Branch of the POP 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 velocities. httpJ/—.ngs.noaa.gov/. 513— Base Flood Elevation line and value;elevation in a0 feet- Base Base map information shown on this FIRM was provided in digital format by the 58 (EL 987) Base Flood Elevation value where uniform within nine; Gallatin County GIS Department. elevation in feet- Referenced to the North American Vertical Datum of 198E(NAVD 88) NOTE:MAP AREA SHOWN ON THIS PANEL IS LOCATED A A Cross section line This map reflects more detailed and up-to-date stream channel configurations WITHIN TOWNSHIP 2 SOUTH,RANGE 6 EAST. than those shown on the previous FIRM For this jurisdiction. The floodplains t 23 ------- Trensect line and floodways that were transferred from the previous FIRM may have been Geographic coordinates referenced to the North American adjusted to conform to these new stream channel configurations. As a 97-0730",32°2'30" Datum Of 1983(NAD 83) result, the Flood Profiles and Floodway Data tables in the Flood Insurance 4z75000mN IOOOme[er Universal Transverse Mercator Itl[tics,cone 12 Study report(which contains authoritative hydraulic data)may reflect stream grid channel distances that differ from what is shown on this map. 6000000 M 5000-foot grid tides: Alabama State Plane coordinate Corporate limits shown on this map are based on the best data available ,o system,east zone(RPSZONE 0101), Transverse Me Cato � at the time of publication.Because changes due to annexations or de-annexations o may have occurred after this map was published,map users should contact DX5510 Banc mark(see explanation in Notes to users section of appropriate community officials to verity current corporate limit locations. Z z x this FIRM panel) Please refer to the separately printed Map Index for an overview map of the a a M1.5 lower Mile county showing the layout of map panels;community map repository addresses; z z and a Listing of Communities table containing National Flood Insurance Program --- 11 MAP REPOSITORIES dates for each community as well as a listing of the panels on which each D5 ZONE AE Refer to Map Repositories list on Map Index community is located. ' rceur cANvou RonD EFFECTIVE DATE OF COUNTYWIDE Contact the FEMA Map Service Center a[1-800-358-9616 for information on FLOOD INSURANCE RATE MAP ZONE September 2,2011 available products associated with this FIRM. Available products may include FLOODING EFFECTS FROM/ EFFECTIVE DATES)OF REVISION(,)TO THIS PANEL previously issued Letters of Map Change, a Flood Insurance Study report, EAST GALLATIN RIVER AE A and/or digital versions of this map.The FEMA Map Service Center may also be pP reached by Fax at 1-800-358-9620 and its website at httpJ/www.msc.fema.gov/. ti If you have questions about this map or questions concerning the National o- Flood Insurance Program in general,please call 1-877-FEMA MAP(1-877-336-2627) or visit the FEMA website at http://—.fema.gov/. 4895 For ca fIly map revision history prior to muntywiee mapping,refer to the Community 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 ZONE AE agent or call the National Flood Insurance Program at 1-800-638-6520. m� ICI EAST GALLATIN 4923 a Z n- R/VER 4898 PO �O Q92 ROSE CREEK ROAD MAP SCALE 1"=Soo' o`O o 250 0 500 1 w570o0m RRONTgGE b a hiMhT OF DETAILED STUDY FEET M ISO 15D ETERS Ro4� vh m m PANEL 0837D FAST GALLATIN Z 9q� RIVER klik 9p FIRM �axolzl o� m FLOOD INSURANCE RATE MAP 14 18 ® GALLATIN COUNTY, m MONTANA P m AND INCORPORATED AREAS PANEL 837 OF 1725 F (SEE MAP INDEX FOR FIRM PANEL LAYOUT) �I i m CONTAINS: COMMUNITY NUMBER PANEL SUFFIX �� j�lncc GALLATIN COUNTY 310021 111 D GALLATIN COUNTY � ZONE A UNINCORPORATED AREASED 300027 hCD 9 I O Notice ro User:The Map Numloar shown below sIhoua be abwa tzdlabausadponransurence api ati R Nor Iher So56Sam N subject POPG � mmuniry. OJ�ON oecA�� MAP NUMBER 22 23 MGpPR ® I 30031 CO837D 4539'22.5" 4639'22.V o1\' .,� EFFECTIVE DATE 110 58.07.5" JOINS PANEL 0839 nit oats o" F ND se SEPTEMBER 2,2011 Federal Emergency Management Agency