VOLUME 2 OF 5
Federal Emergency Management AgencyFLOOD INSURANCE STUDY NUMBER
33011CV002A
HILLSBOROUGH COUNTY, NEW HAMPSHIRE (ALL JURISDICTIONS) COMMUNITY NAME COMMUNITY NUMBER AMHERST, TOWN OF 330081 ANTRIM, TOWN OF 330082 BEDFORD, TOWN OF 330083 BENNINGTON, TOWN OF 330084 BROOKLINE, TOWN OF 330180 DEERING, TOWN OF 330085 FRANCESTOWN, TOWN OF 330086 GOFFSTOWN, TOWN OF 330087 GREENFIELD, TOWN OF 330209 GREENVILLE, TOWN OF 330088 HANCOCK, TOWN OF 330089 HILLSBOROUGH, TOWN OF 330090 HOLLIS, TOWN OF 330091 HUDSON, TOWN OF 330092 LITCHFIELD, TOWN OF 330093 LYNDEBOROUGH, TOWN OF 330218 MANCHESTER, CITY OF 330169 MASON, TOWN OF 330221 MERRIMACK, TOWN OF 330095 MILFORD, TOWN OF 330096 MONT VERNON, TOWN OF 330224 NASHUA, CITY OF 330097 NEW BOSTON, TOWN OF 330098 NEW IPSWICH, TOWN OF 330099 PELHAM, TOWN OF 330100 PETERBOROUGH, TOWN OF 330101 SHARON, TOWN OF 330192 TEMPLE, TOWN OF 335781 WEARE, TOWN OF 330235 WILTON, TOWN OF 330102 WINDSOR, TOWN OF 335780
Hillsborough County
Initial Countywide FIS Effective Date: September 25, 2009
NOTICE TO FLOOD INSURANCE STUDY USERS
Communities participating in the National Flood Insurance Program have established repositories of flood hazard data for floodplain management and flood insurance purposes. This Flood Insurance Study (FIS) may not contain all data available within the repository. It is advisable to contact the community repository for any additional data. Part or all of this FIS may be revised and republished at any time. In addition, part of this FIS may be revised by the Letter of Map Revision process, which does not involve republication or redistribution of the FIS. It is, therefore, the responsibility of the user to consult with community officials and to check the community repository to obtain the most current FIS components. Initial Countywide FIS Effective Date: September 25, 2009
TABLE OF CONTENTS – Volume 1
Page
1.0 INTRODUCTION 1
1.1 Purpose of Study 1
1.2 Authority and Acknowledgments 1
1.3 Coordination 6
2.0 AREA STUDIED 7
2.1 Scope of Study 7
2.2 Community Description 9
2.3 Principal Flood Problems 10
2.4 Flood Protection Measures 11
3.0 ENGINEERING METHODS 13
3.1 Hydrologic Analyses 13
3.2 Hydraulic Analyses 34
3.3 Vertical Datum 42
4.0 FLOODPLAIN MANAGEMENT APPLICATIONS 43
4.1 Floodplain Boundaries 43
4.2 Floodways 45
5.0 INSURANCE APPLICATIONS 95
6.0 FLOOD INSURANCE RATE MAP 97
7.0 OTHER STUDIES 97
8.0 LOCATION OF DATA 101
9.0 BIBLIOGRAPHY AND REFERENCES 101
i
ii
TABLE OF CONTENTS - Volume 1 - continued
Page
FIGURES Figure 1 - Floodway Schematic 95
TABLES Table 1 – Initial and Final CCO Meetings 6 Table 2 - Streams Studied by Detailed Methods 7 Table 3 – Scope of Revision 8 Table 4 – Letters of Map Correction 9 Table 5 - Summary of Discharges 20-33 Table 6 - Summary of Stillwater Elevations 34 Table 7 – Manning’s “n” values 40-41 Table 8 - Floodway Data Table 46-93 Table 9 - Community Map History 98-100
TABLE OF CONTENTS – Volume 2
EXHIBITS Exhibit 1 - Flood Profiles Autumn Brook Panels 01P-03P Baboosic Brook Panels 04P-15P Bartemus Brook Panel 16P Beards Brook Panels 17P-24P Beaver Brook No. 1 Panels 25P-29P Beaver Brook No. 2 Panels 30P-34P Bettys Brook Panels 35P-37P Black Pond Brook Panels 38P-42P Bog Brook Panels 43P-45P
TABLE OF CONTENTS – Volume 2 - continued
EXHIBITS - continued Exhibit 1 - Flood Profiles (continued) Bowman Brook Panels 46P-51P Caesars Brook Panels 52P-53P Chase Brook Panels 54P-57P Contoocook River Panels 58P-71P Deering Reservoir Panels 72P-73P East Branch of Baboosic Brook Panel 74P Ferguson Brook Panels 75P-76P Gambol Brook Panels 77P-80P Golden Brook Panels 81P-84P Gorham Brook Panel 85P Great Brook No. 1 Panels 86P-89P
TABLE OF CONTENTS – Volume 3
EXHIBITS - continued Exhibit 1 - Flood Profiles (continued) Great Brook No. 2 Panels 90P-91P Great Cohas Brook Panels 92P-95P Gumpas Pond Brook Panels 96P-103P
Gumpas Road Brook Panels 104P-106P Hartshorn Brook Panel 107P Hassells Brook Panels 108P-109P Holts Brook Panel 110P Hosley Brook Panel 111P Island Pond Brook Panels 112P-113P Joe English Brook Panels 114P-116P Limit Brook Panel 117P Lyle Reed Brook Panel 118P McQuade Brook Panels 119P-123P McQuade Brook Split Flow Panel 124P Merrimack River Panels 125P-136P Middle Branch Piscataquog River Panels 137P-144P Mill Brook Panels 145P-159P Moose Brook Panel 160P Nashua River Panels 161P-163P Naticook Brook Panels 164P-166P Nesenkeag River Panels 167P-171P New Meadow Brook Panels 172P-173P Nissitissit River Panels 174P-175P North Branch Panels 176P-178P North Branch Contoocook River Panels 179P-181P North Channel Piscataquog River Panel 182P
iii
TABLE OF CONTENTS –Volume 4
EXHIBITS - continued Exhibit 1 - Flood Profiles (continued)
Nubanusit Brook Panels 183P-194P Otter Brook Panels 195P-205P Otter Lake Brook Panels 206P-208P Ox Brook Panel 209P Parkhurst Brook Panel 210P Peacock Brook Panels 211P-212P Pennichuck Brook Panels 213P-220P Piscataquog River Panels 221P-240P Pointer Club Brook Panels 241P-245P Pulpit Brook Panels 246P-248P Purgatory Brook Panels 249P-252P Riddle Brook Panels 253P-256P Salmon Brook Panels 257P-260P Sand Brook Panels 261P-267P Second Brook Panels 268P-271P
TABLE OF CONTENTS – Volume 5
EXHIBITS - continued Exhibit 1 - Flood Profiles (continued)
Shedd Brook Panels 272P-277P Sherburn Mill Brook Panels 278P-280P Simpson Mill Brook Panels 281P-282P Souhegan River Panels 283P-309P South Branch Piscataquog River Panels 310P-320P Spit Brook Panels 321P-323P Stony Brook Panels 324P-335P Tioga River Panels 336P-344P Tributary A Panel 345P Tributary B No. 1 Panels 346P-347P Tributary B No. 2 Panels 348P-353P Tucker Brook Panels 354P-358P Witches Brook Panels 359P-362P
Exhibit 2 - Flood Insurance Rate Map Index Flood Insurance Rate Map
iv
282
286
290 290
294 294
298 298
302 302
306 306
310 310
0.00 0.02 0.04 0.06 0.08 0.10 0.12 0.14 0.16 0.18 0.20 0.22
ELEV
ATIO
N IN
FEE
T (N
AVD
88)
STREAM DISTANCE IN MILES ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
Y M
A NAG
EMEN
T AG
ENC Y
HIL L
SBO R
OUGH
COU
N TY,
NH
(ALL
JU R
ISDI
C TIO
NS)
F LOO
D PR
O FIL
ES
AUTU
MN
B ROO
K
01P
A B
DEPO
T ST
R EET
CHU R
CH S
TREE
T
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
1% ANNUAL CHANCE BACKWATER FROM PISCATAQUOG RIVER
MOU
TH A
TPI
SCAT
AQUO
G RI
VER
298
300
302 302
304 304
306 306
308 308
310 310
312 312
0.22 0.24 0.26 0.28 0.30 0.32 0.34 0.36 0.38 0.40 0.42 0.44
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILE ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
AUTU
MN
B ROO
K
02P
C D
NORT
HM
AST
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
302
304
306 306
308 308
310 310
312 312
314 314
316 316
0.44 0.46 0.48 0.50 0.52 0.54 0.56 0.58
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILE ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
AUTU
MN
B ROO
K
03P
E
LIM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
90
100
110 110
120 120
130 130
140 140
150 150
160 160
170 170
180 180
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
04P
AB C D
CONF
L UEN
CEW
ITH
SOUH
EGAN
RIVE
R
ABA N
DONE
DRA
ILR O
ADBR
I DGE
OFBA
B OOS
ICBR
OOK
FOOT
BRID
G E
EAST
BRAN
CHOF
BAB O
OSIC
B ROO
K
U.S .
ROUT
E3
MCG
AWBR
IDG E
ROAD
F.E.
EVE R
ETT
TURN
PIKE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE FLOOD BACKWATER FROM MERRIMACK RIVER
CONF
LUEN
CEOF
EAS T
CHAN
NEL
DIVE
RGEN
CEOF
140
145
150 150
155 155
160 160
165 165
170 170
175 175
180 180
185 185
6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 13000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
05P
E F
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
145
150
155 155
160 160
165 165
170 170
175 175
180 180
185 185
190 190
13000 13500 14000 14500 15000 15500 16000 16500 17000 17500 18000 18500 19000 19500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
06P
G
BEDF
ORD
R OAD
ABAN
DONE
D
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
BRID
GE
145
150
155 155
160 160
165 165
170 170
175 175
180 180
185 185
190 190
19500 20000 20500 21000 21500 22000 22500 23000 23500 24000 24500 25000 25500 26000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
07P
H I
TWIN
BRID
GERO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
(ABA
NDON
ED)
150
155
160 160
165 165
170 170
175 175
180 180
185 185
190 190
195 195
26000 26500 27000 27500 28000 28500 29000 29500 30000 30500 31000 31500 32000 32500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
08P
J K
L
CONF
LUEN
CEW
ITH
R IDD
LEB R
OOK
WIR
ERO
A D
CONF
L UEN
CEW
ITH
MC Q
UADE
BROO
K
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
160
170
180 180
190 190
200 200
210 210
220 220
230 230
240 240
250 250
32500 33000 33500 34000 34500 35000 35500 36000 36500 37000 37500 38000 38500 39000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
09P
M
N
BEDF
ORD
R OAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
180
185
190 190
195 195
200 200
205 205
210 210
215 215
220 220
225 225
39000 39500 40000 40500 41000 41500 42000 42500 43000 43500 44000 44500 45000 45500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
10P
O
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
185
190
195 195
200 200
205 205
210 210
215 215
220 220
225 225
230 230
45500 46000 46500 47000 47500 48000 48500 49000 49500 50000 50500 51000 51500 52000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
11P
P
Q
BEAN
ROA D
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
185
190
195 195
200 200
205 205
210 210
215 215
220 220
225 225
230 230
52000 52500 53000 53500 54000 54500 55000 55500 56000 56500 57000 57500 58000 58500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
12P
R
S
ABAN
D ONE
DR A
ILRO
ADAB
UTM
ENTS
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
195
200
205 205
210 210
215 215
220 220
225 225
230 230
235 235
240 240
58500 59000 59500 60000 60500 61000 61500 62000 62500 63000 63500 64000 64500 65000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
13P
T U V
X
WOO
DWAR
DRO
AD
SNOW
MOB
ILE
B RID
GE
STO W
ELL
R OAD
DAM
DAM
(TOW
NLIN
E)
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
W
210
215
220 220
225 225
230 230
235 235
240 240
245 245
250 250
255 255
65000 65500 66000 66500 67000 67500 68000 68500 69000 69500 70000 70500 71000 71500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
14P
Z
AA
CAM
PRO
ADB R
IDGE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATIONY
CONF
L UEN
CEO F
JOE
E NGL
ISH
BROO
K
220
225
230 230
235 235
240 240
245 245
250 250
255 255
260 260
265 265
71500 72000 72500 73000 73500 74000 74500 75000 75500 76000 76500 77000 77500 78000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BABO
O SIC
B ROO
K
15P
AB
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
BABO
OSIC
LAKE
OUTL
ET
154
156
158 158
160 160
162 162
164 164
166 166
168 168
170 170
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH NASHUA RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B ART
E MUS
B ROO
K
16P
A B C D E F
CULVERT
TRAI
L
CULVERT
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
BART
EMU S
B ART
EMU S
TRAI
L
NAS H
UARI
V ER
CONF
L UEN
CEW
ITH
1% ANNUAL CHANCE BACKWATER FROM NASHUA RIVER
LIM
ITOF
DETA
ILE D
STUD
Y
540
550
560 560
570 570
580 580
590 590
600 600
610 610
620 620
630 630
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
17P
A
B
STAT
ERO
UTE
202
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE BACKWATER FROM CONTOOCOOK RIVER
CONF
L UEN
CEW
ITH
CONT
O OCO
OKRI
VER
570
580
590 590
600 600
610 610
620 620
630 630
640 640
650 650
660 660
1.20 1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
18P
C D
E
F G H
I
OLD
S TAT
ERO
UTE
9
NEW
S TAT
ERO
UTE
9
BEAR
DRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
CEOF
NOR T
HBR
A NCH
CON F
LUEN
C EOF
SHED
DBR
OOK
600
610
620 620
630 630
640 640
650 650
660 660
670 670
680 680
690 690
2.40 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.20 3.30 3.40 3.50 3.60
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
19P
J KSH
EDD
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
650
660
670 670
680 680
690 690
700 700
710 710
720 720
730 730
740 740
3.60 3.70 3.80 3.90 4.00 4.10 4.20
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
20P
L
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
720
730
740 740
750 750
760 760
770 770
780 780
790 790
800 800
810 810
4.20 4.30 4.40 4.50 4.60
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
21P
M
BEAR
DRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
760
770
780 780
790 790
800 800
810 810
820 820
830 830
840 840
850 850
4.60 4.70 4.80 4.90 5.00 5.10 5.20 5.30 5.40 5.50 5.60 5.70 5.80
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
22P
N O
GLEA
SON
FALL
SRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
805
810
815 815
820 820
825 825
830 830
835 835
840 840
845 845
850 850
5.80 6.00 6.20 6.40 6.60 6.80 7.00 7.20 7.40 7.60 7.80 8.00 8.20
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
23P
P Q R
DANF
ORT H
CORN
ERS
ROA D
UNN A
MED
R OAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
830
835
840 840
845 845
850 850
855 855
860 860
865 865
870 870
875 875
8.20 8.40 8.60 8.80 9.00 9.20 9.40 9.60 9.80 10.00 10.20 10.40 10.60 10.80
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAR
DSBR
OOK
24P
S T U V
COOL
EDGE
R OAD
JONE
SHI
LLR O
AD
UNN A
MED
R OAD
L IM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
100
105
110 110
115 115
120 120
125 125
130 130
135 135
140 140
145 145
4.50 4.70 4.90 5.10 5.30 5.50 5.70 5.90 6.10 6.30 6.50 6.70 6.90 7.10
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 1
25P
A B C D E
F
NEW
MEA
DOW
BROO
K
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
CEOF
STAT
EBO
UNDA
RY
100
105
110 110
115 115
120 120
125 125
130 130
135 135
140 140
145 145
7.10 7.30 7.50 7.70 7.90 8.10 8.30 8.50 8.70 8.90 9.10 9.30 9.50 9.70
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 1
26P
G H I J
K
WIL
L OW
STR E
ET
BRID
GEST
R EET
NAS H
UARO
AD
CONF
LUEN
CEOF
GUM
PAS
ROAD
BROO
K
CON F
LUEN
C EOF
TONY
SBR
OOK
GOL D
ENBR
OOK
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
CEOF
110
115
120 120
125 125
130 130
135 135
140 140
145 145
150 150
155 155
9.70 9.90 10.10 10.30 10.50 10.70 10.90 11.10 11.30 11.50 11.70 11.90 12.10 12.30
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 1
27P
L M N O P Q
R
MAR
SHRO
AD
HUTC
H INS
ONRO
AD
MIL
LDA
M
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
125
130
135 135
140 140
145 145
150 150
155 155
160 160
165 165
170 170
12.30 12.50 12.70 12.90 13.10 13.30 13.50 13.70 13.90 14.10 14.30 14.50 14.70 14.90
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 1
28P
S T U V W X
Y
TALL
ANT
ROAD
CAST
LEHI
LLR O
AD
MIL
LD A
MRE
MAI
NS
MAM
MOT
HR O
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
145
150
155 155
160 160
165 165
170 170
175 175
180 180
185 185
190 190
14.90 15.10 15.30 15.50 15.70 15.90 16.10 16.30 16.50 16.70 16.90 17.10 17.30 17.50
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H( A
LLJU
RISI
DIC T
IONS
)
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 1
29P
Z AA AB AC AD AE
AF
BIDL
EBR
IDGE
ROAD
STAT
ERO
UTE
111
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
200 200
210 210
220 220
230 230
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 2
30P
A B
MER
RIM
A CK
ROA D
BRID
G E
CONF
L UEN
CEW
ITH
1% ANNUAL CHANCE BACKWATER FROM SOUHEGAN RIVER
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
SOUH
EGAN
R IVE
R
200 200
210 210
220 220
230 230
240 240
6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 13000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 2
31P
C
FOOT
BRID
G E
BOST
O NPO
STRO
AD
STAT
ERO
UTE
101
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
220 220
230 230
240 240
250 250
13500 14000 14500 15000 15500 16000 16500 17000 17500 18000 18500 19000 19500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 2
32P
D E
HORA
CEG R
EELE
YHI
GHW
A Y
MAC
KHI
LLR O
AD
T HOR
NTO N
SFE
R RY
ROAD
CON F
LUEN
CEW
ITH
T RIB
UTA R
YD
STAT
ERO
UTE
101
DAM
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
13000
230 230
240 240
250 250
260 260
270 270
280 280
20000 20500 21000 21500 22000 22500 23000 23500 24000 24500 25000 25500 26000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 2
33P
F
BOST
O NPO
STRO
AD
BEAV
ERDA
M
CONF
L UEN
CEW
ITH
CULVERT
BOST
O NPO
STRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CAES
AR'S
BROO
K
19500
(APP
ROXI
MAT
ELO
CATI
ON)
260
270
280 280
290 290
300 300
310 310
320 320
330 330
340 340
350 350
26000 26500 27000 27500 28000 28500 29000 29500 30000 30500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BEAV
ERBR
OOK
NO. 2
34P
G H I
NEW
B OST
ONRO
AD
NEW
B OST
ONRO
AD
L IM
ITOF
DEAT
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
237
239
241 241
243 243
245 245
247 247
249 249
251 251
0 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JOE ENGLISH BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BETT
YSBR
OOK
35P
A B C
D
JOE
ENGL
ISH
B ROO
K
PINE
R OAD
BRID
GE
STAT
EHI
GHW
A Y10
1LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
CEW
ITH
CULVERT
1% ANNUAL CHANCE BACKWATER FROM JOE ENGLISH BROOK
GREE
L EY
HIGH
WAY
241
243
245 245
247 247
249 249
251 251
253 253
255 255
257 257
259 259
3200 3450 3700 3950 4200 4450 4700
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JOE ENGLISH BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BETT
YSBR
OOK
36P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
253
255
257 257
259 259
261 261
263 263
265 265
267 267
4500 4750 5000 5250
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JOE ENGLISH BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BETT
YSBR
OOK
37P
E
STAT
EHI
GHW
A Y10
1
L IM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
GREE
L EY
HIGH
WAY
840
850
860 860
870 870
880 880
890 890
900 900
910 910
920 920
930 930
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT SHEDD BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B LAC
KPO
NDBR
OOK
38P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
FLOOD PROFILES ARE TOO CLOSETHE 2% AND 1% ANNUAL CHANCE
TO BE SHOWN SEPARATELY
MOU
THA T
SHED
DBR
OOK
880
890
900 900
910 910
920 920
930 930
940 940
950 950
960 960
970 970
0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65 0.70 0.75 0.80
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT SHEDD BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B LAC
KPO
NDBR
OOK
39P
A
STAT
ERO
UTE
31
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
THE 2% AND 1% ANNUAL CHANCEFLOOD PROFILES ARE TOO CLOSE
TO BE SHOWN SEPARATELYIN THIS AREA
SECO
N DNE
WH A
MPS
H IRE
TUR N
PIKE
900
910
920 920
930 930
940 940
950 950
960 960
970 970
980 980
990 990
0.55 0.60 0.65 0.70 0.75 0.80 0.85 0.90 0.95 1.00 1.05 1.10 1.15 1.20
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT SHEDD BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B LAC
KPO
NDBR
OOK
40P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
900
910
920 920
930 930
940 940
950 950
960 960
970 970
980 980
990 990
1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 1.55 1.60 1.65 1.70 1.75 1.80
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT SHEDD BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B LAC
KPO
NDBR
OOK
41P
B
C
FOOT
BRI D
GE(B
R EAC
HED )
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
910
920
930 930
940 940
950 950
960 960
970 970
980 980
990 990
1000 1000
1.75 1.80 1.85 1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT SHEDD BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
B LAC
KPO
NDBR
OOK
42P
D
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIM
ITOF
DETA
ILE D
STUD
Y
260
270
280 280
290 290
300 300
310 310
320 320
330 330
340 340
350 350
0 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOG
BRO O
K
43P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATIONA B
1% ANNUAL CHANCE BACKWATER FROM THE PISCATAQUOG RIVER
MOU
THAT
PISC
ATAQ
UOG
RIVE
R
PLEA
S ANT
STRE
ET
280
290
300 300
310 310
320 320
330 330
340 340
350 350
360 360
370 370
3250 3500 3750 4000 4250 4500 4750 5000 5250 5500 5750 6000 6250 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOG
BRO O
K
44P
C D E
BOG
ROA D
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
330
340
350 350
360 360
370 370
380 380
390 390
400 400
410 410
420 420
6500 6750 7000 7250 7500 7750 8000 8250 8500 8750 9000 9250 9500 9750
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOG
BRO O
K
45P
F G
BOG
ROA D
LIM
I TOF
DETA
ILED
S TUD
YLEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
100
110
120 120
130 130
140 140
150 150
160 160
170 170
180 180
190 190
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
46P
A B C D
E
F G H
ACCE
SSRO
AD
DAM
DAM
SHER
ATON
-WAY
FARE
R
USRO
UTE
3
STAT
ERO
UTE
101
MER
R IM
ACK
R IVE
R
FRED
ERIC
KE
EVER
ETT
TURN
P IKE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE BACKWATER FROM MERRIMACK RIVER
CONF
LUEN
CEW
ITH
CULVERT
COVE
RED
FOOT
BRID
GE
B UIL
DING
DAM
FIRS
TFL
OOR
ELE V
ATIO
N
CUL
VERT
CULVERT
170
175 175
180 180
185 185
190 190
6500 7000 7500 8000 8500 9000 9500 10000 10500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
47P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
180
185
190 190
195 195
200 200
205 205
210 210
215 215
220 220
225 225
10500 11000 11500 12000 12500 13000 13500 14000 14500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
48P
I
STAT
ERO
U TE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
101
CULVERT
200
205
210 210
215 215
220 220
225 225
230 230
235 235
14000 14500 15000 15500 16000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
49P
J K
OLD
BEDF
ORD
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CULVERT
220
225 225
230 230
235 235
240 240
245 245
250 250
255 255
15500 16000 16500 17000 17500 18000 18500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
50P
L M
N
DONA
LDST
R EET
PRI V
ATE
ROAD
STA T
ERO
U TE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
114
230
235 235
240 240
245 245
250 250
255 255
18000 18500 19000 19500 20000 20500 21000 21500 22000 22500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
BOW
MAN
B ROO
K
51P
O P
LIM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
230
235
240 240
245 245
250 250
255 255
260 260
265 265
270 270
275 275
0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BEAVER BROOK No 2
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HILL
SBOR
OUG H
CO,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
CAES
A RS
B ROO
K
52P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE BACKWATER FROM BEAVER BROOK NO. 2
BEAV
E RBR
OOK
NO.2
CON F
LUEN
C EW
ITH
SMA L
LFO
O TBR
IDGE
OVER
D AM
S PIL
LWAY
A
255
260
265 265
270 270
275 275
280 280
285 285
290 290
295 295
300 300
6500 7000 7500 8000 8500 9000 9500 10000 10500 11000 11500 12000 12500 13000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BEAVER BROOK No 2
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HILL
SBOR
OUG H
CO,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
CAES
A RS
B ROO
K
53P
B
ROAD
BRID
GEL I
MIT
OFDE
TAIL
E DST
UDY
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
MON
TVE
RNON
80
90
100 100
110 110
120 120
130 130
140 140
150 150
160 160
170 170
0 400 800 1200 1600 2000 2400 2800 3200 3600 4000 4400 4800 5200
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS
F LOO
DPR
O FIL
ES
CHA S
EBR
OOK
54P
A B C
D
PRIV
ATE
DAM
STAT
ERO
UTE
3A
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE FLOOD BACKWATER FROM MERRIMACK RIVER
140
145
150 150
155 155
160 160
165 165
170 170
175 175
180 180
185 185
5200 5600 6000 6400 6800 7200 7600 8000 8400 8800 9200 9600 10000 10400
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS
F LOO
DPR
O FIL
ES
CHA S
EBR
OOK
55P
E F G H
MAR
CLA
N E
DAM
CONF
LUEN
CEO F
CAM
PBEL
LBR
O OK
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
150
155
160 160
165 165
170 170
175 175
180 180
185 185
190 190
195 195
10400 10800 11200 11600 12000 12400 12800 13200 13600 14000 14400 14800 15200 15600
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS
F LOO
DPR
O FIL
ES
CHA S
EBR
OOK
56P
I J K
ALBE
QUER
QUE
A VEN
UE
CON F
LUEN
C EOF
TRIB
UTAR
YB1
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
155
160
165 165
170 170
175 175
180 180
185 185
190 190
195 195
200 200
15600 16000 16400 16800 17200 17600 18000 18400 18800 19200 19600 20000 20400 20800
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MERRIMACK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS
F LOO
DPR
O FIL
ES
CHA S
EBR
OOK
57P
L M N O
PILG
RIM
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIM
ITOF
DETA
ILE D
STUD
Y
510
520
530 530
540 540
550 550
560 560
570 570
580 580
590 590
600 600
130.16 130.36 130.56 130.76 130.96 131.16 131.36 131.56 131.76 131.96 132.16 132.36 132.56 132.76
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
58P
A B
OLD
US20
2&
NH9
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
C EOF
SAND
BRO O
K
COUN
TYBO
UNDA
RY
530
540
550 550
560 560
570 570
580 580
590 590
600 600
610 610
620 620
132.76 132.96 133.16 133.36 133.56 133.76 133.96 134.16 134.36 134.56 134.76 134.96 135.16 135.36
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
59P
C D E F
BRID
GEST
R EET
BOS T
ONAN
DM
AIN E
RAIL
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
COM
PANY
D AM
HILL
S BOR
OUG H
MAN
UFAC
TURI
NG
BEA R
DSBR
O OK
CON F
LUEN
CEOF
540
550
560 560
570 570
580 580
590 590
600 600
610 610
620 620
630 630
135.36 135.56 135.76 135.96 136.16 136.36 136.56 136.76 136.96 137.16 137.36 137.56 137.76 137.96
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
60P
G H I
J
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
540
550
560 560
570 570
580 580
590 590
600 600
610 610
620 620
630 630
137.96 138.16 138.36 138.56 138.76 138.96 139.16 139.36 139.56 139.76 139.96 140.16 140.36 140.56
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
61P
K L
M
SECO
N DNE
WH A
MPS
H IRE
TUR N
PIKE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
550
560
570 570
580 580
590 590
600 600
610 610
620 620
630 630
640 640
140.56 140.76 140.96 141.16 141.36 141.56 141.76 141.96 142.16 142.36 142.56 142.76 142.96 143.16
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
62P
N O P Q R S
T
NORT
HBE
NNIN
GTO N
BRID
GE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
560
570
580 580
590 590
600 600
610 610
620 620
630 630
640 640
650 650
143.16 143.36 143.56 143.76 143.96 144.16 144.36 144.56 144.76 144.96 145.16 145.36 145.56 145.76
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
63P
U V W X Y
Z
DEPO
TST
R EET
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
L UEN
CEO F
GREA
TBR
OOK
NO.1
560
570
580 580
590 590
600 600
610 610
620 620
630 630
640 640
650 650
145.76 145.96 146.16 146.36 146.56 146.76 146.96 147.16 147.36 147.56 147.76 147.96 148.16 148.36
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
64P
AA AB
AC
AD AE
AF
AG
AH
STAT
ERO
UTE
31
(HIG
HLE
VEL
B RID
GE)
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATIONBO
STON
AND
MAI
N ERA
ILRO
AD
HIG H
GATE
D AM
610
620
630 630
640 640
650 650
660 660
670 670
680 680
690 690
700 700
147.56 147.76 147.96 148.16 148.36 148.56 148.76 148.96 149.16 149.36 149.56 149.76 149.96 150.16
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
65P
AI AJ AK
AL
AM AN AO AP
AQ
AR
BENN
INGT
ONB R
IDGE
MON
A DNO
CKDA
M
POW
D ER
MIL
LDA
M
BOS T
ONAN
DM
AIN E
RAIL
ROAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
PIER
CEDA
M
640
650
660 660
670 670
680 680
690 690
700 700
710 710
720 720
730 730
150.96 151.16 151.36 151.56 151.76 151.96 152.16 152.36 152.56 152.76 152.96 153.16 153.36 153.56
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
66P
AS AT AU
AV AW
FORE
STRO
AD
CAVE
NDER
R OAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
630
640
650 650
660 660
670 670
680 680
690 690
700 700
710 710
720 720
153.56 153.76 153.96 154.16 154.36 154.56 154.76 154.96 155.16 155.36 155.56 155.76 155.96 156.16
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
67P
AX
AY
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
LUEN
C EOF
OTTE
RBR
O OK
650
660
670 670
680 680
690 690
700 700
710 710
720 720
730 730
740 740
156.16 156.36 156.56 156.76 156.96 157.16 157.36 157.56 157.76 157.96 158.16 158.36 158.56 158.76
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
68P
AZ BA
BB
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
660
670
680 680
690 690
700 700
710 710
720 720
730 730
740 740
750 750
158.76 158.96 159.16 159.36 159.56 159.76 159.96 160.16 160.36 160.56 160.76 160.96 161.16 161.36
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
69P
BC BD BE BF
BG BH
NORT
HVI
LLAG
EDA
M
MA I
NST
REET
TRAN
SCRI
PTDA
M
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
U.S.
ROUT
E20
2
CON F
LUEN
C EOF
NUBA
NUSI
TB R
OOK
700
710
720 720
730 730
740 740
750 750
760 760
770 770
780 780
790 790
161.36 161.56 161.76 161.96 162.16 162.36 162.56 162.76 162.96 163.16 163.36 163.56 163.76 163.96
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
70P
BI BJ BK BL
BM
STAT
ERO
UTE
101
MOR
RISO
NR O
AD
NOON
EDA
M
O LD
POW
E RS
BRID
GERO
A D
SHA R
ONRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
770
780
790 790
800 800
810 810
820 820
830 830
840 840
850 850
860 860
163.96 164.16 164.36 164.56 164.76 164.96 165.16 165.36 165.56 165.76 165.96 166.16 166.36 166.56
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE NEWBURYPORT LIGHT, MASSACHUSETTS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
C ONT
O OCO
OKRI
VER
71P
BN BO
DRUR
YRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
COUN
TYBO
UNDA
RY
880
890
900 900
910 910
920 920
930 930
940 940
950 950
960 960
970 970
5.45 5.55 5.65 5.75 5.85 5.95 6.05 6.15 6.25 6.35 6.45 6.55 6.65 6.75
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE DEERING CORPORATE LIMITS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
D EER
ING
RES E
RVOI
R
72P
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
DEER
ING
RESE
RVOI
RDA
M
890
900
910 910
920 920
930 930
940 940
950 950
960 960
970 970
980 980
6.65 6.75 6.85 6.95 7.05 7.15 7.25 7.35 7.45 7.55 7.65 7.75 7.85 7.95
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE DEERING CORPORATE LIMITS
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
D EER
ING
RES E
RVOI
R
73P
LIM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
80
90
100 100
110 110
120 120
130 130
140 140
150 150
160 160
170 170
0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BABOOSIC BROOK
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
EAS T
BRA N
CHOF
BABO
OSI C
BRO O
K
74PDI
VERG
ENCE
WIT
HBA
B OOS
ICB R
OOK
FOOT
BRID
G E
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONF
L UEN
CEW
ITH
BABO
OSIC
BROO
K
1% ANNUAL CHANCE BACKWATER FROM THE MERRIMACK RIVER
700
705
710 710
715 715
720 720
725 725
730 730
735 735
740 740
745 745
17000 17500 18000 18500 19000 19500 20000 20500 21000 21500 22000 22500 23000 23500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
FERG
U SON
B ROO
K
75P
A B
C
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIM
ITOF
DETA
ILE D
STUD
Y
720
725
730 730
735 735
740 740
745 745
750 750
755 755
760 760
765 765
23500 24000 24500 25000 25500 26000 26500 27000 27500 28000 28500 29000 29500 30000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
FERG
U SON
B ROO
K
76P
D E
F
G
STAT
ERO
UTE
137
SAN D
HILL
R OAD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIM
ITOF
DETA
ILE D
STUD
Y
445
450
455 455
460 460
465 465
470 470
475 475
480 480
485 485
0 200 400 600 800 1000 1200 1400 1600 1800 2000 2200 2400
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GAM
B OL
BROO
K
77P
A
B
GREE
NVIL
LER O
AD
CONF
L UEN
CEW
ITH
STAT
ERO
UTE
31
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
SOUH
EGAN
R IVE
R
1% ANNUAL CHANCE BACKWATER FROM SOUHEGAN RIVER
475
480
485 485
490 490
495 495
500 500
505 505
510 510
515 515
2400 2600 2800 3000 3200 3400 3600 3800 4000 4200 4400 4600 4800
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GAM
B OL
BROO
K
78P
C
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
505
510
515 515
520 520
525 525
530 530
535 535
540 540
545 545
550 550
4800 5000 5200 5400 5600 5800 6000 6200 6400 6600 6800
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GAM
B OL
BROO
K
79P
D
RUSS
E LL
HILL
ROAD
DAM
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
540
545 545
550 550
555 555
560 560
565 565
570 570
6800 7000 7200 7400 7600 7800 8000 8200 8400 8600 8800 9000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SOUHEGAN RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GAM
B OL
BROO
K
80P
E
LIM
ITOF
DETA
ILE D
STUD
Y
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
110
114
118 118
122 122
126 126
130 130
134 134
138 138
142 142
146 146
0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 1.10 1.20 1.30
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH BEAVER BROOK NO. 1
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GOLD
ENBR
OOK
81P
A B C
D
CONF
LUEN
C EW
ITH
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
BEAV
ERBR
O OK
NO. 2
1% ANNUAL CHANCE BACKWATER EFFECTS FROM BEAVER BROOK NO. 1
114
118
122 122
126 126
130 130
134 134
138 138
142 142
146 146
150 150
1.30 1.40 1.50 1.60 1.70 1.80 1.90 2.00 2.10 2.20
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH BEAVER BROOK NO. 1
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GOLD
ENBR
OOK
82P
E F G
HOBB
SRO
AD
CON F
LUEN
C EOF
CON F
LUEN
C EOF
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
1% ANNUAL CHANCE BACKWATER EFFECTS FROM BEAVER BROOK NO. 1
ISLA
NDPO
N DBR
OOK
TAL L
ANT
ROAD
BRO O
K
114
118
122 122
126 126
130 130
134 134
138 138
142 142
146 146
150 150
2.20 2.30 2.40 2.50 2.60 2.70 2.80 2.90 3.00 3.10 3.20 3.30
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH BEAVER BROOK NO. 1
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GOLD
ENBR
OOK
83P
H I
CONF
LUEN
C EOF
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
SIM
PSON
MIL
LBR
OOK
126
130
134 134
138 138
142 142
146 146
150 150
154 154
158 158
162 162
3.30 3.40 3.50 3.60 3.70 3.80 3.90 4.00 4.10 4.20 4.30 4.40 4.50
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE CONFLUENCE WITH BEAVER BROOK NO. 1
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GOLD
ENBR
OOK
84P
J K
MOE
CKEL
ROAD
MOE
CKEL
ROAD
OLD
DAM
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
COUN
TYBO
UNDA
RY
COUN
TYBO
UNDA
RY
COUN
TYBO
UNDA
RYCO
N FLU
ENC E
OFLO
WEL
LBR
OOK
270
280
290 290
300 300
310 310
320 320
330 330
340 340
350 350
360 360
0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50 0.55 0.60 0.65
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN MILES ABOVE MOUTH AT PISCATAQUOG RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
GORH
AMB R
OOK
85P
A B C D E
NORT
HM
AST
ROAD
PARK
ERST
ATIO
NRO
AD
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
MOU
THA T
PISC
ATAQ
UOG
RIVE
R
L IM
ITOF
DETA
ILE D
STUD
Y
STAT
ERO
UTE
114
560
570
580 580
590 590
600 600
610 610
620 620
630 630
640 640
650 650
0 250 500 750 1000 1250 1500 1750 2000 2250 2500 2750 3000 3250
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
G REA
TBR
OOK
NO. 1
86P
A B
C D
WAT
ERST
R EET
CONF
L UEN
CEW
ITH
CON T
OOCO
O KRI
VER
1% ANNUAL CHANCE BACKWATER FROM CONTOOCOOK RIVER
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
610
620
630 630
640 640
650 650
660 660
670 670
680 680
690 690
700 700
3250 3500 3750 4000 4250 4500 4750 5000 5250 5500 5750 6000 6250 6500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
G REA
TBR
OOK
NO. 1
87P
E F
G
H I J K
MAI
NST
REET
PRIV
ATE
BRID
GE
PRI V
ATE
DAM
HIG H
STRE
ET
PEDE
S TRI
ANB R
IDGE
VEH I
CLE
BRI D
GE
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
650
660
670 670
680 680
690 690
700 700
710 710
720 720
730 730
740 740
4750 5000 5250 5500 5750 6000 6250 6500 6750 7000 7250 7500 7750 8000
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
G REA
TBR
OOK
NO. 1
88P
L M N O P Q
SUM
MER
STRE
ET
DAM
FOOT
BRID
G E
WE S
TST
REET
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
670
680
690 690
700 700
710 710
720 720
730 730
740 740
750 750
760 760
6250 6500 6750 7000 7250 7500 7750 8000 8250 8500 8750 9000 9250 9500
ELEV
ATIO
NIN
FEET
(NAV
D88
)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH CONTOOCOOK RIVER
FEDE
RAL
EME R
GENC
YM
A NAG
EMEN
TAG
ENC Y
HIL L
SBO R
OUGH
C OUN
TY,N
H(A
LLJU
RISD
ICTI
ONS )
F LOO
DPR
O FIL
ES
G REA
TBR
OOK
NO. 1
89P
R S
GROV
EST
R EET
DAM
LEGEND0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIM
ITOF
DETA
ILE D
STUD
Y