FLOOD HAZARD INFORMATION

SPECIAL FLOOD

HAZARD AREAS

OTHER AREAS OF

FLOOD HAZARD

OTHER

AREAS

GENERAL

STRUCTURES

Without Base Flood Elevation (BFE)

With BFE or Depth

Regulatory Floodway

Area of Undetermined Flood Hazard

Areas Determined to be Outside the

0.2% Annual Chance Floodplain

Non-accredited Levee, Dike, or Floodwall

Zone A,V, A99

Zone AE, AO, AH, VE, AR

Zone X

Zone D

HTTP://MSC.FEMA.GOV

THE INFORMATION DEPICTED ON THIS MAP AND SUPPORTING

DOCUMENTATION ARE ALSO AVAILABLE IN DIGITAL FORMAT AT

NATIONAL FLOOD INSURANCE PROGRAMFLOOD INSURANCE RATE MAP

STRAFFORD COUNTY,

NEW HAMPSHIRE(ALL JURISDICTIONS)

PANEL 218 OF 405

Panel Contains:

COMMUNITY NUMBER PANEL SUFFIX

MAP NUMBER

MAP REVISED

VERSION NUMBER

2.2.2.1

SEE FIS REPORT FOR ZONE DESCRIPTIONS

Cross Sections with 1% Annual Chance

Water Surface Elevation (BFE)

Coastal Transect

OTHER

FEATURES

Profile Baseline

Hydrographic Feature

Base Flood Elevation Line (BFE)

Limit of Study

Jurisdiction Boundary

18.2

Accredited or Provisionally Accredited

Levee, Dike, or Floodwall

Coastal Transect Baseline

SCALE

02180218 02190214

0310

02160212

0302

0217

0 1,000 2,000500Feet

1 inch = 500 feet 1:6,000

Map Projection:

New Hampshire State Plane Feet, FIPS Zone 2800, NAD1983;Western Hemisphere; Vertical Datum: NAVD88 or NGVD29

0 250 500125Meters

PANEL LOCATOR

NOTES TO USERS

Channel, Culvert, or Storm Sewer

E

E

4793000mN.

4792000mN.

4791000mN.

345

000mE

7344

000mE

7343

000mE

7

285000 FT .

280000 FT .

275000 FT .

1185000 FT

71180000 FT

7

43° 15’ 00"

70° 54’ 22.5"43° 15’ 00"

70° 56’ 15"

43° 16’ 52.5"

70° 56’ 15"43° 16’ 52.5"

70° 54’ 22.5"

E

E

E

E

E

E

E

LIMIT OFSTUDY

ZONE A

BLACKWATER RD CO

OK

RD

(Vertical Datum:

NAVD88)

(108

(108

City of Dover

330145

City of Rochester

330150(Vertical Datum:

NGVD29)

City of Somersworth

330151(Vertical Datum:

NGVD29)

ZONE A

OLD

DO

VE

R R

OC

HE

STE

R R

D

ZONE A

RO

CHESTER H

ILL R

D

Blackwater Brook

(16

WHITEHOUSE RD

OLD

DO

VER

RD

HAVE

N H

LL R

D

17.5

0.2% Annual Chance Flood Hazard, Areas

of 1% annual chance flood with average

depth less than one foot or with drainage

areas of less than one square mile

Future Conditions 1% Annual

Chance Flood Hazard

Area with Reduced Flood Risk due to Levee

See Notes.

Zone X

Zone X

Zone X

33017C0218E

PRELIMINARY

4/9/2014

StraffordCounty

For information and questions about this map, available products associated with this FIRM including historic versions of this FIRM, how to order products or the National Flood Insurance Program in general,

please call the FEMA Map Information eXchange at 1-877-FEMA-MAP (1-877-336-2627) or visit the FEMA Map Service Center website at http://msc.fema.gov. Available products may include previously issued Lettersof Map Change, a Flood Insurance Study Report, and/or digital versions of this map. Many of these products

can be ordered or obtained directly from the website. Users may determine the current map date for each FIRM panel by visiting the FEMA Map Service Center website or by calling the FEMA Map Information eXchange.

Communities annexing land on adjacent FIRM panels must obtain a current copy of the adjacent panel as well asthe current FIRM Index. These may be ordered directly from the Map Service Center at the number listed above.

For community and countywide map dates refer to the Flood Insurance Study report for this jurisdiction.

To determine if flood insurance is available in the community, contact your Insurance agent or call the National

Flood Insurance Program at 1-800-638-6620.

Base map information shown on this FIRM was provided in digital format by the United States Geological Survey

(USGS). This information was derived from digital orthophotography at a 1-foot resolution from photography dated2010.

DOVER, CITY OF(Vertical Datum: NAVD88)

330145 0218 E

ROCHESTER, CITY OF(Vertical Datum: NGVD29)

330150 0218 E

SOMERSWORTH, CITY OF(Vertical Datum: NGVD29)

330151 0218 E

NO SCREEN

Flood elevations on this map are referenced to either the National Geodetic Vertical Datum of 1929 (NGVD29) orthe North American Vertical Datum of 1988 (NAVD88). Please refer to the title section on the lower right portionof this map to determine which datum is used for each community displayed on this panel. Additional informationis available in Section 3 of the accompanying Flood Insurance Study report. Note that flood elevations must be

compared to structure and ground elevations referenced to the same vertical datum. For information regardingconversion between the National Geodetic Vertical Datum of 1929 (NGVD29) and the North American VerticalDatum of 1988 (NAVD88), visit the National Geodetic Survey website at http://www.ngs.noaa.gov or contact the

National Geodetic Survey at the following address:

NGS Information Services

NOAA, N/NGS12 National Geodetic Survey SSMC-3, #9202

1315 East-West Highway Silver Spring, Maryland 20910-3282 (301) 713-3242