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FIRMFLOOD INSURANCE RATE MAP
(SEE MAP INDEX FOR FIRM PANEL LAYOUT)CONTAINS:COMMUNITY NUMBER PANEL SUFFIX
Federal Emergency Management Agency
MAP REPOSITORYRefer to listing of Map Repositories on Map Index
EFFECTIVE DATE OF COUNTYWIDEFLOOD INSURANCE RATE MAP
EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANEL
For community map revision history prior to countywide mapping, refer to the Community MapHistory 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 callthe National Flood Insurance Program at 1-800-638-6620.
LEGENDSPECIAL FLOOD HAZARD AREAS (SFHAs) SUBJECT TOINUNDATION BY THE 1% ANNUAL CHANCE FLOOD
The 1% annual chance flood (100-year flood), also known as the base flood, is the flood thathas a 1% chance of being equaled or exceeded in any given year. The Special Flood HazardHazard include Zones A, AE, AH, AO, AR, A99, V, and VE. The Base Flood Elevation is thewater-surface elevation of the 1% annual chance flood.
ZONE AZONE AEZONE AH
ZONE AO
ZONE AR
ZONE A99
ZONE V
ZONE VE
No Base Flood Elevations determined.Base Flood Elevations determined.Flood depths of 1 to 3 feet (usual ly areas of ponding); Base F loodElevations determined.Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); averagedepths determined. For areas of alluvial fan f looding, velocities alsodetermined.Special Flood Hazard Area formerly protected from the 1% annual chanceflood by a flood control system that was subsequently decertified. Zone ARindicates that the former flood control system is being restored to provideprotection from the 1% annual chance or greater flood.Area to be protected from 1% annual chance flood by a Federal floodprotec t ion sys tem under const ruc t i on; no Base F l ood E levat ionsdetermined.Coastal flood zone with velocity hazard (wave action); no Base FloodElevations determined.Coastal f lood zone with veloc i ty hazard (wave act ion); Base FloodElevations determined.
FLOODWAY AREAS IN ZONE AEThe floodway is the channel of a stream plus any adjacent floodplain areas that must be kept freeof encroachment so that the 1% annual chance flood can be carried without substantial increasesin flood heights.
OTHER FLOOD AREAS
OTHER AREAS
COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREASOTHERWISE PROTECTED AREAS (OPAS)
ZONE X
ZONE XZONE D
Areas of 0.2% annual chance flood; areas of 1% annual chance flood withaverage depths of less than 1 foot or with drainage areas less than 1square mile; and areas protected by levees from 1% annual chance flood.
Areas determined to be outside the 0.2% annual chance floodplain.Areas in which flood hazards are undetermined, but possible.
CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas.
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1% annual chance floodplain boundary0.2% annual chance floodplain boundaryFloodway boundaryZone D boundaryCBRS and OPA boundaryBoundary dividing Special Flood Hazard Areas of different BaseFlood Elevations, flood depths or flood velocities.Base Flood Elevation line and value; elevation in feet*Base Flood Elevation value where uniform within zone; elevationin feet*
* Referenced to the North American Vertical Datum of 1988Cross section lineTransect lineGeographic coordinates referenced to the North American Datumof 1983 (NAD 83)1000-meter Universal Transverse Mercator grid values, zone 12
Bench mark (see explanation in Notes to Users section of thisFIRM panel)River Mile
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513(EL 987)
A, A,23( 23(87°07'45'', 32°22'30''
4276000mE
DX5510M1.5
Not ice to User: The Map Number shown below should beused when plac ing map orders ; the Community Numbershown above should be used on insurance applications forthe subject community.
MAP NUMBER
EFFECTIVE DATE
D
D
D
D
D
D
D
D
D
BearRiver
BlackSlough
MillRun
BearRiver
BearRiver
BearRiver
Great Salt Lake Tributary 3
Great Salt Lake Tributary 3
Great Salt Lake
Great Salt Lake
Great Salt Lake
FOREST ST
¦15
(83
(13
MONTANA RD
ARIZONA RD
WASH
INGTO
N RD
(13
(83
MULE RANCH RD
IDAHO RD
(13
(13
MULERANCH RD WASHINGTON
RD
NORTHFRONT RD
SOUTHFRONT RD
¦15
2000 W
3200 N
3000 N
2400 N
2000 N
1600
W
4800
W
3000
W
2800
W
4100
W
4000
W
3100
W
4000
W
3800
W
2400
W
4400 W
4400
W
4100 W
4100
W
3950
W
2400
W
3850
W
3000 W
4050
W
2000
W
2600
W
2400 N2300 N
2200 N
1600 N
1600 N
800 N800 N
2000 N
¦15
RAILROAD
RAILROAD
AIRPORT RD
T. 10 N. T. 9 N.
CITY OF CORINNEBOX ELDER COUNTY
T. 10 N. T. 9 N.
BOX ELDER COUNTY
CITY OF CORINNE
BOX ELDER COUNTYCITY OF CORINNE
BOX ELDER COUNTYCITY OF BRIGHAM CITY
BOX E
LDER
COUN
TYCIT
Y OF B
RIGHA
M CIT
Y
BOX ELDER COUNTYCITY OF
BRIGHAM CITY
CITY OF CORINNE
BOX ELDER COUNTY
CITY OF BRIGHAM CITY
BOX ELDER COUNTY
BOX ELDER COUNTYCITY OF BRIGHAM CITY
Box Elder CountyUnincorporated Areas
490005
City of Brigham City490006
!
City ofBrigham City
490006
City ofBrigham
City490006
!
City ofBrigham City
490006
!
City ofBrigham City
490006
!
City ofBrigham City
490006
City of Corinne490197
City of Corinne490197
City of Corinne490197
!
City ofCorinne490197
!
City ofBrigham City
490006
T. 10 N. T. 9 N.
R. 2 W.
R. 3 W.
R. 2 W.
R. 3 W.R. 2 W.
R. 3 W.
T. 10 N. T. 9 N.
3
8
1
9
6
7
2120
17
10
24
13 18
12
33
1924
13
15
10
4
5
31
12
36
36
3636 31
3332
32
16
3
1
MS0053
MS0060
MS0058
MS0059
MS0057
MS0056MS0052
MS0061
MS0051
ZONE A
ZONE A
ZONE A
ZONE X
ZONE A
ZONE A
ZONE X
ZONE A
ZONE A
ZONE A
ZONE A
ZONE A
ZONE A
ZONE X
ZONE X
ZONEX
ZONE A
ZONE X
ZONE X
ZONE X
ZONE X
!ZONE A
!
FLOODING EFFECTS FROMGREAT SALT LAKE
ZONEX
600000 FT
Area is the area subject to flooding by the 1% annual chance flood. Areas of Special Flood
KENTUCKYBRECKINRIDGE COUNTY,
5000-foot grid t icks: Utah State P lane coordinatesystem, north zone (FIPSZONE 4301), Lambert Conformal Conicprojection
NOTES TO USERSThis map is for use in administering the National Flood Insurance Program. It doesnot necessarily identify all areas subject to flooding, particularly from local drainagesources of small size. The community map repository should be consulted forpossible updated or additional flood hazard information.To obtain more detailed information in areas where Base Flood Elevations(BFEs) and/or floodways have been determined, users are encouraged to consultthe Flood Profiles and Floodway Data and/or Summary of Stillwater Elevationstables contained within the Flood Insurance Study (FIS) report that accompaniesthis FIRM. Users should be aware that BFEs shown on the FIRM representrounded whole-foot elevations. These BFEs are intended for flood insurance ratingpurposes only and should not be used as the sole source of flood elevationinformation. Accordingly, flood elevation data presented in the FIS report should beutilized in conjunction with the FIRM for purposes of construction and/or floodplainmanagement.Boundaries of the floodways were computed at cross sections and interpolatedbetween cross sections. The floodways were based on hydraulic considerationswith regard to requirements of the National Flood Insurance Program. Floodwaywidths and other pertinent floodway data are provided in the Floodway Data tableshown on this FIRM.Certain areas not in Special Flood Hazard Areas may be protected by floodcontrol structures. Refer to Section 2.4 "Flood Protection Measures" of the FloodInsurance Study report for information on flood control structures for thisjurisdiction.The projection used in the preparation of this map was State Plane Utah North4301 Horizontal datum was NAD 83, GRS80 spheroid. Differences in datum,spheroid, projection or UTM zones used in the production of FIRMs for adjacentjurisdictions may result in slight positional differences in map features acrossjurisdiction boundaries. These differences do not affect the accuracy of this FIRM.Flood elevations on this map are referenced to the North American Vertical Datumof 1988. These flood elevations must be compared to structure and groundelevations referenced to the same vertical datum. For information regardingconversion between the National Geodetic Vertical Datum of 1929 and the NorthAmerican Vertical Datum of 1988, visit the National Geodetic Survey website athttp://www.ngs.noaa.gov/ or contact the National Geodetic Survey at the followingaddress:NGS Information ServicesNOAA, N/NGS12National Geodetic SurveySSMC-3, #92021315 East-West HighwaySilver Spring, Maryland 20910-3282(301) 713-3242To obtain current elevation, description, and/or location information for benchmarks shown on this map, please contact the Information Services Branch of theNational Geodetic Survey at (301) 713-3242, or visit its website athttp://www.ngs.noaa.gov/.Base map information shown on this FIRM was provided in digital format by theU.S. Farm Service National Agriculture Imagery Program (NAIP), dated summer2006, and by the U.S. Geological Survey Digital Orthophoto Quadrangles, dated1993 and later, produced at a scale of 1:24000. The data was obtained from theState Geographic Information Dataset (SGID) maintained by the AutomatedGeographic Reference Center (AGRC).Based on updated topographic information, this map reflects more detailed and up-to-date stream channel configurations and floodplain delineations than thoseshown on the previous FIRM for this jurisdiction. As a result, the Flood Profiles andFloodway Data tables may reflect stream channel distances that differ from what isshown on the map. Also, the road to floodplain relationships for unrevised streamsmay differ from what is shown on previous maps.Corporate limits shown on this map are based on the best data available at thetime of publication. Because changes due to annexations or de-annexations mayhave occurred after this map was published, map users should contact appropriatecommunity officials to verify current corporate limit locations.Please refer to the separately printed Map Index for an overview map of thecounty showing the layout of map panels; community map repository addresses;and a Listing of Communities table containing National Flood Insurance Programdates for each community as well as a listing of the panels on which eachcommunity is located.Contact the FEMA Map Service Center at 1-800-358-9616 for information onavailable products associated with this FIRM. Available products may includepreviously issued Letters of Map Change, a Flood Insurance Study report, and /ordigital versions of this map. The FEMA Map Service Center may also be reachedby Fax at 1-800-358-9620 and its website at http://msc.fema.gov/.If you have questions about this map or questions concerning the National FloodInsurance Program in general, please call 1-877-FEMA MAP (1-877-336-2627) orvisit the FEMA website at http://www.fema.gov/business/nfip/.
MAP SCALE 1" = 1000'
PANEL 1815D
PANEL 1815 OF 3500
49003C1815D
BOX ELDER COUNTY,UTAHAND INCORPORATED AREAS
407000mE 408000mE 409000mE 410000mE 411000mE
4595000mN
4596000mN
4597000mN
4598000mN
4599000mN
4601000mN
1470000 FT 1475000 FT 1480000 FT 1485000 FT
3710000 FT
3715000 FT
3720000 FT
3725000 FT
500 0 1000 2000FEET
300 0 300 600METERS
JOIN
S PAN
EL 18
18
JOIN
S PAN
EL 17
95
JOINS PANEL 1805
JOIN
S PAN
EL 18
20
JOINS PANEL 2275
1815 D490005BOX ELDER COUNTY1815 D490006BRIGHAM CITY, CITY OF1815 D490197CORINNE, CITY OF
41° 33' 45"112° 07' 30"
41° 33' 45"112° 03' 45"
41° 30' 00"112° 07' 30" 41° 30' 00"
112° 03' 45"
4600000mN
SEPTEMBER 29, 2010
SEPTEMBER 29, 2010