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Home My WebLink About30031C0960D 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 11056Y5.0" 506000m E 507000m E JOINS PANEL 0845 s08000m E al000m E 110°52W.o" The 1%annual chance flood(loo-year Flood),also known n the base Flood,is the Flood consulted for possible updated or additional flood hazard information. 4537'30.0" 453730.0" 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 EIBV8110ns 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 c OEAq CIHIy 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 y I ZONE A No Base Flood Elevations determined. tables contained within the Flood Insurance Study(FIS)report that accompanies v ui ui this FIRM. Users should be aware that BFEs shown on the FIRM represent o ti run ZONE AE Base Flood Elevators determined. rounded whole-foot elevations. These BFEs are intended for flood insurance yo°' ooq ¢� 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 so Doom to Np I Elevations determined. elevation information. Accordingly, flood elevation data presented in the FIS 52 N + 9Egq +a + + + ZONE AD 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 verage depths determined. For areas of alluvial fan flooding,velocities construction and/or floodplain management. al so determined. ZONE AR Special Flood Hazard Area formerly protected from the 1%annual Coastal Base Flood Elevations shown onthis map apply only landward Nance Flood by a Flood control system that was subsequently of 0.0' North American Vertical Datum of 1988(NAVD 88). Users of this decertred. Zone AR indicates that the former Flood contrcl system is FIRM should be aware that coastal flood elevations are also provided in the I bang restored to provide protection from the 1% annual chance or Summary of Stillwater Elevations table in the Flood Insurance Study report BFv 36 31 32 33 greater Flood. for this jurisdiction. Elevations shown in the Summary of Stillwater Elevations v ZONE A99 Area to be pmbected from 1% annual chance Flood by a Federal table should be used for construction and/or floodplain management purposes I Flood protection system under construction; no Base Flood Elevations when they are higher than the elevations shown on this FIRM. determined. ZONE A ` ZONE Coastal Flood nine with velocity hazard(wave action); no Base Flood Boundaries of the floodways were computed at cross sections and interpolated Elevators 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 The flood ay 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 I kept free of encroachment so that the 1%annual chance Flood can be carried without the Flood Insurance Study report for information on flood control structures substantial increases in Flood heights. for this jurisdiction. so T.2 S. _ _ T.2 51 N — T_3 S. — T.3 S. 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 I 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 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 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 Vy ® COASTAL BARRIER RESOURCES SYSTEM(CBRS)AREAS the North American Vertical Datum of 1988, visit the National Geodetic Survey website at httpJ/www.ngs.noaa.gov/ or contact the National Geodetic Survey at the following address: �o OTHERWISE PROTECTED AREAS(OPAS) NGS Information Services p NOAA,N/NGS12 5 4 CBRS areas and OPAs are amalN located within or adjacent toSpecial Flood Hazard Areas. National Geodetic Survey c 1 6 Floodplain boundary SSMC-3,M9202 Flaadway boundary 1315 East-West Highway Nt Silver Spring,MD 20910-3282 so50Worn N + + + .....••.......... zone D boundary CBRS and OPA boundary To obtain elevation,description,and/or location information for bench marks shown onn this 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 velocities. 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 (EL 987) Base Flood Elevation value where uniform within zone; Gallatin County GIS Department. elevation in feet- Referenced to the North American Vertical Datum of 198E(NAVD 88) A A Cross sedim line This map reflects more detailed and up-to-date stream channel configurations 23 -------� Trensect line than those shown on the previous FIRM for this jurisdiction. The floodplains and floodways that were transferred from the previous FIRM may have been I Geographic coordinates referenced to the North American adjusted to conform to these new stream channel configurations. As a 9790730",322230" Datum of 1983(NAD 83) result, the Flood Profiles and Floodway Data tables in the Flood Insurance 4z75000mN IooOmeter Universal Transverse Mercator Itl[tics,cone 12 Study report(which contains authoritative hydraulic data)may reflect stream I 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 system,east zone(FIPSZONE 0101), Transverse Mercator 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 so4900°°h N + + as + + DX5510 Bench mark(see explanation in Notes to Users section of appropriate community officials to verity current corporate limit locations. z X this FIRM panel) Please refer to the separately printed Map Index for an overview map of the o a M7.5 lower Mile county showing the layout of map panels;community map repository addresses; w z and a Listing of Communities table containing National Flood Insurance Program 4 MAP REPOSITORIES dates for each community as well as a listing of the panels on which each a ZONE D Refer to Map Repositories list on Map Index community is located. z m EFFECTIVE DATE OF COUNTYWIDE Contact the FEMA Map Service Center at 1-800-358-9616 for information on 8 9 FLOOD INSURANCE RATE MAP available products associated with this FIRM. Available products may include 12 7 September 2,2o11 previously issued Leiters of Map Change, a Flood Insurance Study report, EFFECTIVE DATES)OF REVISION(S)TO THIS PANEL and/or digital versions of this map.The FEMA Map Service Center may also be GALLATIN COUNTY reached by Fax a[1-800-358-9620 and its websi[e at h6pJ/www.mso.fema.gov/. I UNINCORPORATED AREAS 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) or visit the FEMA website at http://-.fema.gov/. 300027 I For ca fIly map revision Nice s prior to muntywde mapping,refer to the Communitynce Map History table located in the Flood]nuance Study report for this jurisdiction. To determine if Flood available in this community, contact your in agent or call the National Flood Insurance Program at 1-800-638-6620. so48ocom N 4 MAP SCALE 1"=1000'500 0 1000 200p FEET METERS ® PANEL 0960D klik FIRM m FLOOD INSURANCE RATE MAP 504700in N 13 + 18 17 16 ® GALLATIN COUNTY, MONTANA m AND INCORPORATED AREAS PANEL 960 OF 1725 (SEE MAP INDEX FOR FIRM PANEL LAYOUT) I m CONTAINS: -- JI COMMUNITY NUMBER PANEL suFFlx GALLATIN COUNTY 11117 11 O ZONE D ED I+ I+ 5046000m N + + + 24 19 20 21 Notice to User:The Map NumWr shown below sIhoua be used when planing map o,do,,;the community Wmbar shown < mmuniry. above should W used on msurence applications for the subject oeyA�� MAP NUMBER .I ® , 30031CO960D 4533'45.0" Q�hL 4533'45.0" o' EFFECTIVE DATE 110°56'15.0" JOINS PANEL 0975 110-52'30.o" FxaND Se°� SEPTEMBER 2,2011 Federal Emergency Management Agency