Volume 3 (PDF)

Federal Emergency Management Agency 
FLOOD INSURANCE STUDY NUMBER 
09011CV003B 
  
BOZRAH, TOWN OF 
COLCHESTER, TOWN OF 
EAST LYME, TOWN OF 
FRANKLIN, TOWN OF 
GRISWOLD, TOWN OF 
GROTON LONG POINT ASSOCIATION 
GROTON, CITY OF 
GROTON, TOWN OF 
JEWETT CITY, BOROUGH OF 
LEBANON, TOWN OF 
LEDYARD, TOWN OF 
LISBON, TOWN OF 
LYME, TOWN OF 
MONTVILLE, TOWN OF 
NEW LONDON, CITY OF 
NOANK FIRE DISTRICT 
NORTH STONINGTON, TOWN OF 
NORWICH, CITY OF 
OLD LYME, TOWN OF 
PRESTON, TOWN OF 
SALEM, TOWN OF 
SPRAGUE, TOWN OF 
STONINGTON, BOROUGH OF 
STONINGTON, TOWN OF 
VOLUNTOWN, TOWN OF 
WATERFORD, TOWN OF 
090094 
090095 
090096 
090154 
090173 
090167 
090126 
090097 
090098 
090155 
090157 
090172 
090127 
090099 
090100 
090129 
090101 
090102 
090103 
090139 
090156 
090105 
090193 
090106 
090143 
090107 
 
Volume 3 of 4 
Revised: 
August 5, 2013 
New London County 

 
 
 
 
 
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) 
report 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 report may be 
revised by the Letter of Map Revision process, which does not involve republication or redistribution of the 
FIS report.  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 report components. 
 
 
Initial Countywide FIS Effective Date:  July 18, 2011 
 
Revised Countywide FIS Date:  August 5, 2013 
 

i 
 
 
TABLE OF CONTENTS – Volume 1 – August 5, 2013 
 
Page 
 
1.0 
INTRODUCTION 
1 
1.1 
Purpose of Study 
1 
1.2 
Authority and Acknowledgments 
1 
1.3 
Coordination 
7 
 
2.0 
AREA STUDIED 
 9 
2.1 
Scope of Study 
9 
2.2 
Community Description 
19 
2.3 
Principal Flood Problems 
20 
2.4 
Flood Protection Measures 
26 
 
3.0 
ENGINEERING METHODS 
  28 
3.1 
Riverine Hydrologic Analyses 
28 
3.2 
Riverine Hydraulic Analyses 
47 
3.3 
Coastal Hydrologic Analyses 
54 
3.4 
Coastal Hydraulic Analyses 
56 
3.5 
Vertical Datum 
76 
 
4.0 
FLOODPLAIN MANAGEMENT APPLICATIONS 
78 
4.1 
Floodplain Boundaries 
78 
4.2 
Floodways 
80 
 
 
 
FIGURES 
 
Figure 1 – Transect Schematic 
59 
 
Figure 2 – Transect Location Map 
70 
 
Figure 3 – Floodway Schematic 
82 
 
 
 
 
 
 
 

ii 
 
TABLE OF CONTENTS – Volume 1 – continued 
    Page 
 
 
TABLES 
 
Table 1 – CCO Meeting Dates for Precountywide FIS 
7-8 
 
Table 2 – Flooding Sources Studied by Detailed Methods 
9-14 
 
Table 3 – Flooding Sources Studied by Approximate Methods 
15-18 
 
Table 4 – Letters of Map Change 
19 
 
Table 5 – Summary of Discharges 
35-46 
 
Table 6 – Summary of Pond Stillwater Elevations 
46-47 
 
Table 7 – Manning's "n" Values 
52-54 
 
Table 8 – Summary of Coastal Stillwater Elevations 
55 
 
Table 9 – Transect Descriptions 
60-69 
 
Table 10 – Transect Data 
71-76 
 
 
TABLE OF CONTENTS – Volume 2 – August 5, 2013 
 
Page 
 
5.0 
INSURANCE APPLICATIONS 
143 
 
6.0 
FLOOD INSURANCE RATE MAP 
144 
 
7.0 
OTHER STUDIES 
149 
 
8.0 
LOCATION OF DATA 
149 
 
9.0 
BIBLIOGRAPHY AND REFERENCES 
149 
 
 
 TABLES 
Table 11 – Floodway Data 
83-142 
 
Table 12 – Community Map History 
145-148 
 

iii 
 
TABLE OF CONTENTS – Volume 3 – August 5, 2013 
 
 
EXHIBITS 
 
Exhibit 1 - Flood Profiles 
 
Anguilla Brook  
 
 
 
 
 
Panels 1P-4P 
Beaver Brook (Town of Lyme)  
 
 
 
Panels 5P-6P 
Beaver Brook (Town of Sprague) 
  
 
 
Panels 7P-8P 
Birch Plain Creek  
 
 
 
 
 
Panels 9P-12P 
Blissville Brook  
 
 
 
 
 
Panels 13P-15P 
Bobbin Mill Brook   
 
 
 
 
Panel 16P 
Copps Brook  
 
 
 
 
 
Panels 17P-18P 
Day Meadow Brook   
 
 
 
 
Panel 19P 
Denison Brook  
 
 
 
 
 
Panels 20P-21P 
East Branch Eight Mile River  
 
 
 
Panels 22P-24P 
Eccleston Brook  
 
 
 
 
 
Panels 25P-26P 
Eight Mile River  
 
 
 
 
 
Panels 27P-29P 
Fishtown Brook  
 
 
 
 
 
Panels 30P-31P 
Flat Brook   
 
 
 
 
 
Panels 32P-33P 
Ford Brook   
 
 
 
 
 
Panels 34P-36P 
Fort Hill Brook  
 
 
 
 
 
Panels 37P-42P 
Fourmile River  
 
 
 
 
 
Panels 43P-46P 
Gardner Brook  
 
 
 
 
 
Panels 47P-49P 
Goldmine Brook  
 
 
 
 
 
Panel 50P 
Great Meadow Brook  
 
 
 
 
Panels 51P-53P 
Great Plain Brook  
 
 
 
 
 
Panel 54P 
Green Fall River  
 
 
 
 
 
Panels 55P-57P 
Harris Brook  
 
 
 
 
 
Panels 58P-61P 
Hunter Brook  
 
 
 
 
 
Panel 62P 
Jeremy River  
 
 
 
 
 
Panel 63P 
Joe Clark Brook  
 
 
 
 
 
Panels 64P-65P 
Jordan Brook  
 
 
 
 
 
Panels 66P-70P 
Judd Brook   
 
 
 
 
 
Panels 71P-74P 
Latimer Brook  
 
 
 
 
 
Panels 75P-82P 
Little River   
 
 
 
 
 
Panels 83P-84P 
Meadow Brook  
 
 
 
 
 
Panels 85P-88P 
Nevins Brook  
 
 
 
 
 
Panels 89P-90P 
Norwichtown Brook  
 
 
 
 
Panel 91P 
Oxoboxo Brook  
 
 
 
 
 
Panels 92P-95P 
 
 
 
 
 
 
 
 
 
 
 

iv 
 
TABLE OF CONTENTS – Volume 4 – August 5, 2013 
 
 
EXHIBITS – continued 
 
Exhibit 1 - Flood Profiles - continued 
 
Pachaug River  
 
 
 
 
 
Panels 96P-101P 
Pachaug River (Town of Voluntown)                                        Panels 102P-104P 
Pattagansett River   
 
 
 
 
Panels 105P-109P 
Pawcatuck River  
 
 
 
 
 
Panels 110P-111P 
Pine Swamp Brook   
 
 
 
 
Panel 112P 
Quinebaug River  
 
 
 
 
 
Panels 113P-116P 
Shewville Brook  
 
 
 
 
 
Panel 117P 
Shunock River  
 
 
 
 
 
Panels 118P-123P 
Spaulding Pond Brook  
 
 
 
 
Panels 124P-126P 
Susquetonscut Brook (Town of Franklin) 
 
 
Panels 127P-129P 
Susquetonscut Brook (Town of Lebanon)  
 
 
Panels 130P-132P 
Tenmile River  
 
 
 
 
 
Panels 133P-135P 
Thames River and Shetucket River   
 
 
Panel 136P 
Shetucket River  
 
 
 
 
 
Panels 137P-140P 
Trading Cove Brook  
 
 
 
 
Panels 141P-142P 
Tributary A   
 
 
 
 
 
Panels 143P-145P 
Tributary B   
 
 
 
 
 
Panel 146P 
Tributary C   
 
 
 
 
 
Panel 147P 
Tributary D   
 
 
 
 
 
Panel 148P 
Tributary F   
 
 
 
 
 
Panel 149P 
Whitford Brook (Town of Groton)  
 
 
 
Panels 150P-151P 
Whitford Brook (Town of Ledyard)   
 
 
Panel 152P 
Williams Brook  
 
 
 
 
 
Panels 153P-154P 
Yantic River  
 
 
 
 
 
Panels 155P-161P 
Yantic River East Channel                                             
Panel 162P 
 
 
 
 
 
Exhibit 2 - 
Flood Insurance Rate Map Index 
 
Flood Insurance Rate Map 

-5
 0
 5
 5
 10
 10
 15
 15
 20
 20
 25
 25
 30
 30
 35
 35
 40
 40
0
500
1000
1500
2000
2500
3000
3500
4000
4500
5000
5500
6000
6500
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH WEQUETEQUOCK COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
ANGUILLA BROOK
01P
A
B
C
D
E
F
G
GREENHAVEN ROAD
BRIDGE
BROAD STREET
BRIDGE
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONFLUENCE WITH WEQUETEQUOCK COVE
1% BACKWATER EFFECTS FROM FISHERS ISLAND SOUND

 15
 20
 25
 25
 30
 30
 35
 35
 40
 40
 45
 45
 50
 50
 55
 55
 60
 60
6500
7000
7500
8000
8500
9000
9500
10000
10500
11000
11500
12000
12500
13000
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH WEQUETEQUOCK COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
ANGUILLA BROOK
02P
H
I
J
K
L
ANGUILLA ROAD
PEQUOT TRAIL
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION

 30
 35
 40
 40
 45
 45
 50
 50
 55
 55
 60
 60
 65
 65
 70
 70
 75
 75
13000
13500
14000
14500
15000
15500
16000
16500
17000
17500
18000
18500
19000
19500
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH WEQUETEQUOCK COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
ANGUILLA BROOK
03P
M
N
O
P
ANGUILLA BROOK ROAD
INTERSTATE HIGHWAY 95
INTERSTATE HIGHWAY 95
BRIDGE
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
10%, 2%, AND 0.2% ANNUAL CHANCE FLOOD PROFILES NOT AVAILABLE IN THIS AREA

 40
 45
 50
 50
 55
 55
 60
 60
 65
 65
 70
 70
 75
 75
 80
 80
 85
 85
19500
20000
20500
21000
21500
22000
22500
23000
23500
24000
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH WEQUETEQUOCK COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
ANGUILLA BROOK
04P
Q
R
S
T
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
LIMIT OF DETAILED STUDY

ELEVATION IN FEET (NAVD 88)
55
50
45
40
35
30
25
20
15
10
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EIGHT MILE RIVER
Lud= 
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2000 2500 3000 3500 4000 45

ELEVATION IN FEET (NAVD 88)
85
va
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=
70
65
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406500 7000 7500 8000 8500 9000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EIGHT MILE RIVER

ELEVATION IN FEET (NAVD 88)
110
105
100
95
90
85
80
75
70
65
114 BAC R EFFECT FROM SHETUCKET RIVEF
= ! 105—— 125-+—=
= =a ac Y Pra
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ra ra \ ra \ ra an a ra \
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500 1000 1500 2000 2000 2500 3000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER

ELEVATION IN FEET (NAVD 88)
150
o C 
oO ca
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= = 
_ =
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140 = = 
135
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115 +o 
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1053000 3500 4000 4500 5000 5500 6000 6500 7000 75
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER

THIS REACH IS CONTROLLED BY WAVE EFFECTS;
PLEASE REFER TO THE ASSOCIATED DFIRM PANEL
FOR BASE FLOOD ELEVATIONS

ELEVATION IN FEET (NAVD 88)
30 -
1% BACKWATER EFFECTS FROM FISHERS ISLAND.SQUN
25
20
15
10 = 7 a — ps s
5 Sn 
0 
UNNI NS/W)
5 
|
oN oN
LF LG J
2600 3400 3600 3800 4000 4200 44
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BAKER COVE

ELEVATION IN FEET (NAVD 88)
40
1% BAGKWATER EFFECTS FROM FISHERS ISLAND SOUND |
|
35 <<
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= 09 r
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5200 5400 5600 5800 6000 6200 6400 6600 6800 70
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BAKER COVE

ELEVATION IN FEET (NAVD 88)
ol|=
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215
5
(=) oO
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45
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LN S 
157800 8000 8200 8400 8600 8800 9000 9200 9400
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH BAKER COVE

ELEVATION IN FEET (NAVD 88)
7—1% BACKWATER EFFECT FROM
/ SHETUCKET RIVER
oc 50 75
Fars >| 65 | |
Ob =| =
— — Oo =e
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r ill A
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500 1000 1500 1500 20
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET R

ELEVATION IN FEET (NAVD 88)
105
100
LLG
a
rT
fam) t
P
L
95 
— = _— - - + SS eS ee -— - J 
= = 5 = _ = =- = =
=
L
90 
THE 2% ANNUAL CHANCE FLOOD PROFILE | ff 
CH : ELEVAT 
_—
SH EPARATEL\ 
—
P —
85 ' 
q! ° 
I 
[ 
80
j |
i |
|
|
|
75 is
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70 z
65 
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4 |
Cc \ Cc \ Cc
LE J LF J L&
601500 3500 4000 4500 5000 5500 60
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER

ELEVATION IN FEET (NAVD 88)
135
130
co oo) 3 c
— = = = —
P— c c "
S : 
2 2} 2 2
125
120 e
en 
iad 7
re 7
a-s
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115 —_— Stn = —
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110 EG }
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t yp oo" y V
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105 ee eee ee 7
AO
aA
a
4
95 5 
| 
Y 
nN AN a
LJ L4J LK
90
7500 8000 8500 9000 9500 10000 10500 11000 11500 120
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET R

105
A
10
LAN
So
f
n
—
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—
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH YANTIC RIVER

-10
-5
 0
 0
 5
 5
 10
 10
 15
 15
 20
 20
 25
 25
 30
 30
 35
 35
0
500
1000
1500
2000
2500
3000
3500
4000
4500
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH QUIAMBOG COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
COPPS BROOK
17P
A
B
C
D
E
BRIDGE
BRIDGE
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONFLUENCE WITH QUIAMBOG COVE
1% BACKWATER EFFECTS FROM FISHERS ISLAND SOUND

 15
 20
 25
 25
 30
 30
 35
 35
 40
 40
 45
 45
 50
 50
 55
 55
 60
 60
4500
5000
5500
6000
6500
7000
7500
8000
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH QUIAMBOG COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
COPPS BROOK
18P
F
G
H
I
MISTUXET AVENUE
JERRY BROWN ROAD
BRIDGE
INTERSTATE HIGHWAY 95
LIMIT OF DETAILED STUDY
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
HIGH: 67.1
LOW: 64.1

ELEVATION IN FEET (NAVD 88)
230
225
220
215
210
205
200
195
190
185
STREAM DISTANCE IN FEET ABOVE RIVER ROAD
t
C
255 q 280
|
i|i
n
|
|
|
al
250 + 275 1
| /
| 1]
a Of |
|
|
| !
|
245 } 270
<r |
© Ae
|
CC
LL=— |
c ‘|
240 +} 265 t =
| | Pp
| | 5
i] | 5
235 H 260-4
Ha
il
A a
7 }
N |
|
230 255
// /
| |
|
|
225 250
| 
| 
/
| / 
220-+— 245
| FEC]
» ~~ [ 
oN e¢ Oo» ONIM Ny ai a '
LAD LORIE J LG) LH | 
2000 3000

ELEVATION IN FEET (NAVD 88)
295
290
285
280
275
270
265
260
255
250
STREAM DISTANCE IN FEET ABOVE STATE ROUTE 138
= 
Q 
Lu 
—al<r 
- 
am 
o 
= 
=a)
oo
CS
i 
<r
ws
i _ ike --— TT ===
-—-—T —<—
a 
= ——
500 1000 1500 2000 2500 3000 3500 40

ELEVATION IN FEET (NAVD 88)
310
305 305 —— 3
300 300 —— 3
295 295 — 3
d
a
Pr
—
o
290 — 290 — 3
— J 
- aA
a ya
,? 
ai a
LD
4 
— 
285 5 a > alll 285—— 30
ao - 
o LL 
—_ 7 a
ae 
280 - 280 —— 30
| - — 
— SS — 
275 275—— 295+ 
=a/
V
970 970 9
2656000 6500 7000 7500 8000 8500 9000 9500 10000 100
STREAM DISTANCE IN FEET ABOVE STATE ROUTE 138

190
[om]
(om)
\
Te)
\
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|%
\
\
LS
AY
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STREAM DISTANCE IN FEET ABOVE DARLING ROAD

ELEVATION IN FEET (NAVD 88)
220
215
210
205
200 ==
AK 0
of Z —_—
A LAD 7 SR SN
A 7,7 >
ANY 7
195 ros
Fa Rs
Soja
o y +
190 A>
a 
, ; 
saan a 
185
7 
180 
| | 
oN ~ oN
Le J Ue
1752500 5000 5500 600
STREAM DISTANCE IN FEET ABOVE DARLING ROAD

ELEVATION IN FEET (NAVD 88)
235
230 ox 
Oc — 
Sf)
mi 
LL 
F 
225 <A 
220
215
E 2% ANNUAL CHANCE FLOOD PROFIL 0 CLO
HB 1% ANI CHANCE FLC ATION TO BE 
SHOWN SEPARATELY
210 —— 2
oe) == == ane i: _——-+—
/ —_-——-|-
J i SaRneEEs
ff ee ee eee
feo\V/ 
205 a eet ae +=
an
———
__——
__ 
200 F/ 
~ 
195
| | |
oNe¢ " a. c y oN r \
WII) MD LM J CN) Lo J 
1909000 10000 10500 11000 11500 12000 12500 13
STREAM DISTANCE IN FEET ABOVE DARLING ROAD

-15
-10
-5
-5
 0
 0
 5
 5
 10
 10
 15
 15
 20
 20
 25
 25
 30
 30
0
250
500
750
1000
1250
1500
1750
2000
ELEVATION IN FEET (NAVD 88)
STREAM DISTANCE IN FEET ABOVE PALMER COVE
FEDERAL EMERGENCY MANAGEMENT AGENCY
NEW LONDON COUNTY, CT
(ALL JURISDICTIONS)
FLOOD PROFILES
ECCLESTON BROOK
25P
A
B
C
D
BROOK STREET
BRIDGE
BRIDGE
LEGEND
0.2% ANNUAL CHANCE FLOOD
1% ANNUAL CHANCE FLOOD
2% ANNUAL CHANCE FLOOD
10% ANNUAL CHANCE FLOOD
STREAM BED
CROSS SECTION LOCATION
CONFLUENCE WITH
PALMER COVE
STATE HIGHWAY 215
DATA NOT AVAILABLE BETWEEN STATE HIGHWAY 215
AND 4,825 FEET UPSTREAM OF STATE HIGHWAY 215
1% BACKWATER EFFECTS FROM FISHERS ISLAND SOUND
THIS REACH IS CONTROLLED BY WAVE EFFECTS;
PLEASE REFER TO THE ASSOCIATED DFIRM PANEL FOR BASE FLOOD ELEVATIONS

ELEVATION IN FEET (NAVD 88)
oOo => __
om 2e) WwW
Lu eR) Ww —loO
= = Lu
== ole 2 E |
cc < = = <r
co} 7
= sz Ss n| >
LL =sS | => LL = oO
(am) ed
2 | aa aa
= =
40
Thee
35 = SES
=o om
- C4
FS Ws
30 , oro >
= s- E
25
| 
c \ \
LN) e 
4800 6050 6300
STREAM DISTANCE IN FEET ABOVE STATE ROUTE 215

ELEVATION IN FEET (NAVD 88)
50
40
30
20
10
-10
-20
-30
40
1% BACKWATER EFFECT FROM CONNECTICUT RIVEF |
|
= of
>
Q = 
Be
— 1 HY a a a em
Fa
AZ
RAC‘’CRE ia."\\\ y
\ f
0 1000 2000 3000 4000 5000 6000 7000 8000 90
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH THE CONNECTICUT RIVER

ELEVATION IN FEET (NAVD 88)
70
60 = =
S
= rata] a
ao is -E
ola =
50 Se: =
ee
pat _ S - ee m
Tie “I. -~ ia T
30 — = Pe ee
ae \4+-—~
ae oe dsCO J
i -, - _! S
20 ane ee
—_ = = 44 _ —T SL
— _— -- —_— SL
es eee ee A
om —~ Lb Sram —
_—— =
10 -== 4
-T
- 
_——
aan ss
co
SE 
= l
= ~~
10 AL
(4) | |
Q 2
ra . ra h Zs Za aN
LB) Loy LE UF C8) 
-2013000 14000 15000 16000 17000 18000 19000 20000 21000 220
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH THE CONNECTICUT R

ELEVATION IN FEET (NAVD 88)
90
80
70
60
50
40
IE |
INALTEL NE NETAILEN CTinv
LIVIA OP DE FAILED of U0 Y
\A\
\
‘\
\
\
\ |
|
(I
\
rem |
V
30
20
10 
| | | | 
“~ “NS oS ,
DD KD Ly ANY
026000 30000 31000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH THE CONNECTICUT RIVER

ELEVATION IN FEET (NAVD 88)
35
30
25
20
15
a ras
= oe
= 
—_> ~
© =
: =)
=
=aa)
=
jm) =
cots
E S 
—
y :
te
— o
— o-oo" a
ep ee aa
~— = a E = ttt ee i2ne _ a
oe a
ae 
[ 
——|
aU 
| | | |
oN oS oN ra
e 8 LoD O
250 500 750 1000 1250 1500 1750 2000 22
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH ECCLESTON BROOK

ELEVATION IN FEET (NAVD 88)
LEVEY Ul ULTAILLD OP UU I
IMITLOE DETAILER STUAYV
—
ce
35
30
AD
—— = - 7 7 7
a —— — 7
25 1.
Cor
|e - 
= 
10 — 
| 
Cc 1 ~ 7]
LF 5)
3250 3500 3750 4000 4250 4500 4750
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH ECCLESTON BROOK

Pass oe |
“T1
Ln
T
@
—
=
7 ©
=
=
=
rm
(Sp)
mi
Th
Wr
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fh
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UT
LITANT
Mi
ELEVATION IN FEET (NAVD 88)
\
i]
Ss“
d 
\
+— 
YL 
/
LA J 
500 1000 1500 2000 2500 3000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MILL C

ELEVATION IN FEET (NAVD 88)
65
60 co
~~
Cc
3
55 oO"
/, h
J \ !
JA |
lv
50 ya -
Z
A
4
f:
45 ff
H
ne l\
Hil
Mit \ P
A
yl
An
Ly Lu —
Y a4 a = Lu
, Lu = = —
/ | — <f
| s| S| 5
35 3 :
LIN
Wt] IS SHOW THIN THE PANEL
Yt (T A) T 9 1)
/ \l mY | 2.1]
30 “Llif 
Hi 
/ 
25 y 
/ | | PCE
/ \ 
Pal fr No \ Cc " [NS ra
LB JE Nese mice
203000 5000 5500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MILL COVE

ELEVATION IN FEET (NAVD 88)
55
50
45
40
35
30
25
20
15
10
=
x=
_—
|= 2
EIn /
S=== Z
Cir {4
— / Yo 7
/ /
A ef ¢
7 ,
ar
J 7
Ta 
y,
y /.
a /
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A m,
ia oy 7
4f 7 /
yy, 1/7 /
A , Oe 4 VY
cA 7
"A // 7
J 47 4
aff /
Aff /
7% 7 WA
tf Fe VA
Ll
eave
V/s =
Vb aa iC
/p\7 Kk
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7 7 V2
-- CF
——~ 7 i
a7 Vian
LL 4 /
/
L
V
VA
S/S
YW
re4 
| 
oN f ‘
LAD LB J 
0 500 1000 1500 2000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH TRADING COVE BROOK

ELEVATION IN FEET (NAVD 88)
85
80 a = >
ee = 
= a
= asl l=
= = =) la
oc = Jn
75 oe 7 =
70 
65 a
== lege i
kegel ee ee enenenes m
/,
7
/ 
60 => = —}-+
—_— i- —— TILT y
F ya Pe ee 4) 
ale — oo eo gee ges ae 
— a ori a-— L nT f S
/ s -_ y,
V, , a /)
Y. aa Z CHLVE MA
7 om Z GULVER!
55 a Lo /
- Z ff “SLL
“LL 7 ‘ 4
7 ot y, a ee
Ao a Fs
A ot
a eo _—
50 mr = Pa
y - SO
-.
/ 7 Sf
ly fly A
V4 ua a 
AS “0 
4
| | \
y, ? | [oN 
/ oN oN “NON oN
YA Ce) aus PELE L
402000 2500 3000 3500 4000 4500 5000 5500 6000 65
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH TRADING COVE BROOK

[om]
[om]
Lo
[om]
b
|
l_N
\
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STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH TRADING COVE BROOK

THIS REACH IS CONTROLLED BY WAVE EFFECTS;
PLEASE REFER TO THE ASSOCIATED DFIRM PANEL
FOR BASE FLOOD ELEVATIONS

ELEVATION IN FEET (NAVD 88)
25
4\0/ BACKW TL COCo TO DON ISHERSIS A AMLIAID
p——— | /0 AUN HEN IE Cold JWI FIORE AlN OUUIND
30 FyS _ 
(ep)cc [om
LL- qc)
<c =
o_ 7p
20
Vf)
4,
CULVE
15
A CULVERT
10 , i — heeeedn iain nee ne Ey = ee 
ress abe oe ee oe = —— a lh
7
/5 ——— PRRA
a A . IRI
mea > Se ee
0 
| 
NSD)
2600 2800 3000 3200 3400 3600 3800 4000 4200 44
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MUMFORD C

ELEVATION IN FEET (NAVD 88)
-
==) vals
© =
- &
35 =
Sas —
Sse E
ZEG C
Bes %
30 =
So
(Je)
25
20 Ct L RT
= 77)
Y
VY
yy
15 “Zs
YWh
Uy, EERE EEE EEE EEE EE EEE EEE EEE EEC ECE
es neal F EE Et ES e
a == = = Ve fs ee ae
= nn CULVERIF
10 F— = 
5 
| 
“aSfy
5200 5400 5600 5800 6000 6200 6400 6600 6800 70
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MUMFORD COVE

ELEVATION IN FEET (NAVD 88)
55
f
; 4Y
50 <r — “ op
(am) (7
I
aes | Pt
ro OF Ls
oF oo eo F _
—e-De Sram
ai ae pt oa
P02 wm
45 SSF 7
—— - PT |
_— Ss --a8 -_— a
a — ao al
Afr eee ——
(% ~_a—
7
y, 7 —
oy —_ —
40 WY, al
Z a
4,4 VA
Y /
y ?
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f f
A) \ 4
35 AY
Vy
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4
il
30
1
hh
|
|
|
(i
|
25 |
I
20 c 
15 . = 
ee TO 
| 
oSRP
107800 8600 8800 9000 9200 9400 9600
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MUMFORD COVE

ELEVATION IN FEET (NAVD 88)
80
75
e
a ue _————— aa - 
70 Z aap e
/ > — nee ian aS
Lf 47. —|— a _j
y Lo a
/ MW ——
J 47 ——T
65 354 Z
J 077 ;
Va 7 7
J\ ZO. Va
hae
LY Co WA
f a J 
60 wae Z
Lf WA
OKT 7
LT, fo
a 4° 7
J 47
55 az
Sate 7
LIKE
SLL 7 WA
ay r a
Voy C c a 
Lo? /
A V 
50 5 Y
f'
Zo \ os 
| 
LY ~
/ WD
45
9600 9800 10000 10200 10400 10600 10800 11000 11200 114
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MUMFORD C

ELEVATION IN FEET (NAVD 88)
90
A
WA
VY /.
4¢ f/
YA
85 Lt! 7
Vif
hips y,
A 09 Y
1 ff, /
WIAs /
Vy ,
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80 Sogo L
Go
Y
_V :
= J
75 SSS SSS S-
= ee 7 
—_— AlV
— — 
70 _— ae 
| 
oNe 
12200 12400 12600 12800 13000 13200 13400 13600
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH MUMFORD COVE

ELEVATION IN FEET (NAVD 88)
25
20
15
10
-10
-15
-20
% BACKWATER EFFECTS FROM LONG ISLAND- SOUND
3) 
Lol
==
<i- 2)w
+ FEE Sore cr SEE CEE e
A GU
|
f_ 
ales aE>=
>
=
= 
22
E> eB 
=o 
[di) 3- | (EE
| H
aa S\ S\
KA BO Ge
0 500 1000 1500 2000 2500 3000 3500 4000 45
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH LONG ISLAND SOUND

ELEVATION IN FEET (NAVD 88)
50
45 =
Es
Lu
Pa
40 f
7
f
Ve
SA
f
4
/.
View|
‘7
7,
WF.
pie /
Ti VA
4 4
30 il
,;
25 - ==
== = Ss eee —- _-
20
15
10 
Co Co
U U 
56500 8500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH LONG ISLAND SOUND

9500 10000 10500 11000 11500 12000 12500 130
9000
qvoy DV
AITIWA NID | | —e)
ro |
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Lo oS Lo (om) Lo (om) Lo oS Lo (om)
| | (de) (de) Lo Lo Ls Ls oD oD
8500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH LONG ISLAND SOUND

ELEVATION IN FEET (NAVD 88)
95
90
)
oO
><
©
_—
85
80
[
1
4
75 4)
Ihe
ALY
Al y
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er 2 2 — MN a7
mes AF _ — yA
a os’ 6 a & —
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ao a a —
65 — on =
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ee FU --— a
= T—_e —— —
Sf [em _—
er TE _—
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= —\ a
60 St SS >
Ses ae _ >
= —- “i A be f
oa 4
— LL
_t— ==
56 Zz 
ON
|
f f oN
LR J LS J LT
5015000 15500 16000 16500 17000 17500 18000 18500 19000 19500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH LONG ISLAND SOUND

180
VA \
\
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STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH YANTIC RIVER

ELEVATION IN FEET (NAVD 88)
200
195
190
185
180
175
170
165
160
155
6500
\E
\
Q
\
wr
\
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\
\
\
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l_\
—
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VT
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH YANTIC RIVER

ELEVATION IN FEET (NAVD 88)
225
220 ee =
= =>
bu= a oc
oc = oa
vals = ww
= ©
cc =
215 7 =
210
4
/
= qo?
= |. 7
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205 af
4 a PaG s
= a - Pa 4
y ~ a” Wa
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ra
p "A
a “ Fs
200 <
t
1
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|| -" 2 / i”
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195 ! =
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(J)
/ Li
190
185 
EGEEECEEEEEE eer)
L J LN 
tf SOY
NN c y c y c y Im SN a oN,
SH WO Lv Va
18011000 13000 13500 14000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH YANTIC RIVER

ELEVATION IN FEET (NAVD 88)
=S “=
|= oo A. c
bit Lit = —
r= > <<
ie (ab) i ire
aE : : 
E =
|
fe
7 Veo 1
wWeaeae
/f > a
Yo
Vi
ly,
Wye ae
LZ
BRO
— - ra
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: 
| 
AN és 
500 1000 150
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH TRADING COVE B

ELEVATION IN FEET (NAVD 88)
295
290
285
280
275
270
265
260
255
250
Th
Wr
W
IP? Lc
VG
we RIV
UO TUVOl
UE
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nyf
ATT
V
ra)L
0 500 1000 1500 2000 2500 3000 3500 4000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH PACHAUG RIVER

ELEVATION IN FEET (NAVD 88)
310
305
300
295
290
285
280
275
270
265
4000
OAL
Lae)
Lek
yy
> AMPBEIL
ANN
INARA
=
——
=
>,
+
~s,
al
=
\
6000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH PACHAUG RIVER

ELEVATION IN FEET (NAVD 88)
335
330 = 
ron
x=
3 
325 = 
320 
315 F | py
; PEERS
i _———— aan
/ _—
/ __
Z
/
310 /
7
/
305 r
/
300 Zty 
VA 
995 
2906000 6500 7000 7500 8000 8500 9000 9500 10000 105
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH PACHAUG RIVER

ELEVATION IN FEET (NAVD 88)
60
55
50
45
40
15
as LL we [om (om |
=S 55 — 80 80 — 105+ ——= ==
=o >| |= acl & oc ra
Ss i =| |= o| 5 = |e
28 = a E =| 3 a 1A
RS 50 —— 75 75 —100 +=! 1e =| = = _s
- f = = 5
45 — 70 70 —— 95
! Seae
L 40 — 65 ; 65 — 90
35 — 60 60 — 85 ag
WYLL Te
30 — 55 55 —— 80
yA
/
25 —— 50 50 —— 75 [ CULV
—-- TV 7
Ene
wa
o 
20 — 45 45 — 70 +—== a5
aie ate
500 500 1000 1000 1500 2000 2500 3000 35
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH TRADING COVE BROOK

AL
4N
IN3d1daNNOd
NOWNDIdOH 40 NMOL
GNV
ISI
4G0HY
6500
6000
5500
5000
HLYON
G6
JIVISYFINI
Z_\\L
>
4500
CNV1SI
3Q0HY
4000
3500
NOLNDIdOH 40 NMOL
3000
GNV1SI
4G0HY
ONIGO014
40
LIA
\|
|
\|
2500
75
70
65
45
40
35
30
2000
STREAM DISTANCE IN FEET ABOVE WELLSTOWN ROAD

ELEVATION IN FEET (NAVD 88)
90
85 
80 
75
70 
= —
65 j ———= <<a ee J
— —- “eo ee ———T —eo —-TT ——" 
—— Pea _ —_-— _] i —— —
60 aan i > <a e
27D a ——
eSealieras g
a-— a
———
55 =
——
$$ 4 
— 
50
| | 
ay cy
45
8500 9000 9500 10000 10500 11000 11500 12000 12500 130
STREAM DISTANCE IN FEET ABOVE WELLSTOWN RO

ELEVATION IN FEET (NAVD 88)
105
100 CO = -
cc J
Lid —_ =
ce ss
Ps 2
2 a>
<r af [TT
95 nS +
90
85 a
fam}
Li
=!
at
17
80 a
Z >=
a
fp ry a7
L. 7
75 _ Paria 7
-- 1
L a
of o* =
AF a~T
Zk aur |
V4 a6
70 i
a 
— ; 
65 
1 ieee Cee ee Cee Cees Gees Cees Gees Pees eee C
V | | | 
ym c oS
CRS LA 
6014000 14500 15000 15500
STREAM DISTANCE IN FEET ABOVE WELLSTOWN ROAD

ELEVATION IN FEET (NAVD 88)
250
245
240
235
230
225
220
215
210
205
=
Yn =>
<= 7
Fen —
== 2
l pre (Je)
a= cy,
sS> Lu 
to oo C 
= <= = 
_ 
Ss = 
© 
Om 
= 
— —|
_— -“ L
—_— > tel — 
C > | = —
—~ sm - + - i.
— — an
—_— - a7 -* _a
_— Pid 4 —_ - 
| — oa Pra
p= 7 —_ wa 
—— a -~ = =” a
— _— ce - — a
—_ - a -
_ a — i aA
J a - a“ _—
Sf 7 7 a ma —
‘a Ta So -"
f a 4 7. T
Lone 7.
“iy 7 q
y, f’ 7 f —
Lf. A. a
, 4s 7
y i a7 —
NH fF A
"i 7 ra , i
_— a LL? 5 So”
—_— Pia 4 a
oF Ee Sf y
a ok — a” A
-—“Le Lb a
f-— Jf
+/y, a
Vi) y
Ih’ on
Ih! ZZ
/¥/ a
a——
| | | 
oN ~ a. oN iis
LAD AO o) [0 J LE)
500 1000 1500 2000 2500 3000 3500 4000 45
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EAST BRANCH EIGHT MILE RIVER

ELEVATION IN FEET (NAVD 88)
275
THE 0.2% ANNUA NCE FI 7 IP
270 C . /U NINUA | UL IL 5) W
Li CLOSE TO THE 1% ANNU HA
E LOOD ELEVATIO! - SHOWN R
(om) on 
, 
— 
< Li ee 
= AF | Bose el eed en en Ge ne Ge ~
265 Al : P
i - a
- _ _- nL
fh 7)
Sy 7
ae, ~ 
Torey. 
_
So a “
260 eae : __
Or L-
PSG rag
Sate
ira
SEFZB ———
Sar
255 —
V /
Y
V
V4
Z / a i
G WA = >
/ aie fail =
290 V v= = 2S
Y) WA Lu = tl > Lit
| + ro
yy VA ec] = = Ee ae
V4 ws ws nu (iL
ad a | a) Ke kK
Sf\,7 = <== <x oo
245 y OT ar f (fh nil 2
7/ | pe pe
AC! ¢ + Lu Lu
S 7, “ Wad — bu
ASA 4 
LA? 
y, 
ad 
240 :/ 
7 
rava 
235
| | fy | | a
I | 7 -| | v
Cc ao c AN c NON c oN
Ry a LO IRS eS MND Lo
2305500 6000 6500 7000 7500 8000 8500 9000 9500 100
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EAST BRANCH EIGHT MILE RIVER

ELEVATION IN FEET (NAVD 88)
300
295 =
(cm)
rs
—
290 =>
285 7
[oe
io
[iy 7
! 7
HG
u
280 Ht ;
v
TIS / /
(A707 /
Ag /
Mme |
ae |
275 KB54 <—
Za Z
A A
270 cer
Ee
265
260
| 
Cc \ [NI ¢ \
LR) SI 
25511000 13000 13500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EAST BRANCH EIGHT MILE RIVER

ELEVATION IN FEET (NAVD 88)
320
315 a 
oO ; 
=— 
— =< 
< S 
> 
a 
310 : 
305 SSS eee ee
= “a Cc = —_-— -——o—
— -7L BP tte
nm pa —_—a—
— ss —T —-—
OO
oe eee 
300 SSS eS an
[= ee -—— co —_— ——
—_—
ai
g _—
Z —
f —_—
295 Z 7
Z /
L,
"A
Z
GZ
7
,
290 Jt], 
YTV) \
VA / 
MiVA /mG 
MV, 
tf
285 a=
a7 | 
' 
/
280 A. 
| | | Ry
5 | 
c YI +r y ra Y a a
eA XO Oe LZ he
27513000 13500 14000 14500 15000 15500 16000 16500 17000 175
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH EAST BRANCH EIGHT MILE RIVER

ELEVATION IN FEET (NAVD 88)
60
55
50
45
40
35
30
25
20
15
(771 BACKWATER EFFECT FAOM SHETUCKET
= |
[ am |
ze wi iaasa8 55 — 75 + — =
= =
a= 2 = S| |= = =
ZY |e ct = a} | | CULVERT _ o
ce io = =| |= > a
= oO =| je f a A=
rales n> —— 50 70 7
peepee
|
owen g
pinpreaag”:
t A 40 — 60
y ZY
A) CULVERT cunvert| (7
; y
; a = 35 — 55
y Wy, e
nn He S
, pA = 2
g (ance S = CULVERT |
44 Ae =
Y) rid =
ff 7 30 — 50
y
FY CULVERT
an ST eeeeenn
Prades 25 —— 45
Y 70 A0
| 
a o ea o
0 500 1000 1500 2000 2500 3000 3000 3500 4000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER

ELEVATION IN FEET (NAVD 88)
265
260 Te = -
o = = 7
—J =) —J
<r wie —i|—<
F— >= |b
bu ===) bu
S Si x15
255 L1= = oll=
> Co Ss
250
/
/ |
245 >
ra Fe a sD QE OG (eG
/—_/ U
i a r 7 7 7 7 7 /
a —_ - lems eum qfem> mms] cum quem mme| cm em cmap cs cme (ee) ee es ee eis oe eee ee oe
ra - r —L
4 oe Al
a 7
240 =afK
a ve a
Pa oo T
ra - -
a 7 a cal
— - -"
—_— -—"
a -tT* -_s
27m LL —
235 -—s—=— res
a /
ee am
— —\
230 — =] —— — 4
Fas
_ HW
= 
225 g
ral \ ra \
LA J | BJ
2204500 5000 5500 6000 6500 7000 7500 8000 8500
STREAM DISTANCE IN FEET ABOVE STATE ROUTE 149

ELEVATION IN FEET (NAVD 88)
| | |
1% BACKWATER EFFECT FROM THAMES RIVER
=O — —— --==
= = if (om | ——— LS er ae
a2 Lu — 1-7 —
=S> = i— —_— -- Zar —_—
= Vo Pr ae a
=. =a ~__ _--| —=- ae a -
cL = = —_- ——— -—
== : Ao jt —-—-- T
(a) = — TV if.- — a =o
= Th 77 _
Ail a —
41 —
HAV, —
—
/y y —
Th, —
= LH! —
= Af =
WA, ff VA —— 
o Vii 
i 7 a ( 
— Wf 7 /
= IASG Lf 
Arn Aff 
Kealhel YZ 447 
— 4 2 VA
Pid 7 /
7 AA /
Bea /
7-7
Ie a Fe
AZ A ra
[yew y @
ra
/]Wl Z
ly/ 
/ 
/ 
J/
|
pl poo
(eB 1
NU | | I iu 
C \ \ ra y ra \ Cc NS oN r1lNe¢ » Cc » “
LA J CJ [DJJ KE he LS J WH LJ) 
500 1000 1500 2000 2500 3000 3500 4000 45
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH POQUETANUCK C

ELEVATION IN FEET (NAVD 88)
70
65
60
4/4
(47 ?
Py, WA
L077
f/ a? of
(Sf? ,/
55 en aa
ro 7,7 7 —
‘a 4 7 4
aa ir y,
MAA #
Aga d
Wy, f. y ma
Sf? op) yy,
4 S
50 V7? 7 =
177 /
jl, “7 SL
— 1" 7
A oe ri ;
a = Y =
“207 | of Ta
a & a oan J =
A5 ap ae a
7 A Va
- S
AZ F y
y ag —
Tafa —
So
ee
40 SD KH7 Z
_— “A,
— _— 7 g of”
— _— — 7 a
—_— — — _—
35
30 
| | | | |
oN oS oN oN a oTMN
OB) NO ce Lo LD
255000 7000 7500 8000 8500 9000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH POQUETANUCK COVE

ELEVATION IN FEET (NAVD 88)
35
30
25
20
15
10
-10
A L r IVA t Ak rr rr nr - Ai
1/0 DBAUKWATER EFFELT o FRUNI LUNG Is ANU oUUNU
= Th ra) <r oe
Lo == Of
Ss= = 
ss ve eo 
= oc Lu — = 
= a =m 
Cd = = 
qe) 2 
f
T
VARY
4 Ad V
4 
Lf 774 V
fr, a
of 4
Jy | #
ty P72
7
ann - - : A
(- 5
STJa —_
J ———_——
— - = — - - ro"
o7 Ce = —— n
ff. ae a as ot —_— en
ee le 
| 
HP Z ~ 
TM~s / 
| \/ > 
4 “ 
— 
|
Pa y Pa y Pa y a
LA} [.B_| LC J LD
0 500 1000 1500 2000 2500 3000 3500 4000 45
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN COVE

ELEVATION IN FEET (NAVD 88)
65
60 - 
Lu} Lu =<
—dn b— (am)
oO |e nna
= = = 
olo a 
we | ue
55
50 
— 
< 
a. V
Ga
A o
— c= a
y - o_— - ——
LS. i =0 ee
7 — 
A AVOUT 
J “74 a
g257-
40 Fe? A
TA C
ANAT f
Aw 4
OL
y 7 <
VOR LA
Shh
35 = — Sn
= - i = 37 p
y . i eeteeetene i y,
V4 e A | “
) PF ap a / 
y “l. 
) a 
4 /
30 ¥ é
[ 
y 
- 
F5 
| | |
Pa a oS a
L 8) W) L
206500 8500 9000 9500 10000 10500 110
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN COVE

PO
AAS, \ =]
\\ \ irs)
NO. 
TM
IN TM
RAY
WN
S\
XN
rN \ =]
Xa —
N
\
‘\
iN
\
N
)
i)
\ (To)
N =
\
| N\
\
i)
XY
fom)
AY \ To)
L\\\
X\
—
\v\\
\
wh
Wa
\\*
N
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\
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i s\% Tr)
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oN
\
Lo
\
\ \\\ \
vy, \ \ yam
ity ©
' | (om)
iT 4 Co
rt! La
11] _—
;4
Mi'|
|
[1
i /
\
\
(=)
1
|
(on)
=e
\)
t 4
H \
= | \
7 {' 4
!1
NVO OFHOV- — ' \
WS _ -_ 1 (amp)
" . a oO
HIYON AWAY VY \ =
GYOIHILV SAS _
INOSIS6 ILNOY ILVIUSYALNI x SAND | | \
a QARDOAQRQQQQQ}XQR QAR '
GUN|/4A0 ALinUdG J HOaGIaLNI fq 4] ' fon)
i a ddl SSSSSSSSSSSSA \ =
\ Ne ‘ _ J _N roe)
ce
ee
\
= XO MAN ,
> NRA
[ai
N\M
NYN [om]
‘i N S
oD
Ke) om) Ke) om) ike) om) Ke) om) Ke) oO
op)
oO
co
co
TM
TM
(Te)
co
Te)
La
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN COVE

ELEVATION IN FEET (NAVD 88)
125
L
120 =
<< p o
n LL = 
ra wi A
cc oc = Z Y
115 A 7
= A
A G
NA? 
— d YY 
or, Z
fo
110 s
A
== = gon A
ee eee EEE d / \
] rt a
105 ALILVUCDT My, A. J A
ULVENI y, 7
4 A ———
Tut VLA fr
Zoo AW
Ho27° 4 —
<8 a /
100 fe —
AL” a rs
Zr oa Z
SoZ (, a.
Go 7 Za
A es aa
4i9 7 AT PA
95 onc” YO
WE i: 7
ZO A
SD 7 p
/ CA 7 1,
Le 5 
WL
07
90 —
YY
a 
85
Coe)
|
S | 
\ \ 
S PO 
80
19500 20000 20500 21000 21500 22000 22500 23000 23500 240
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN C

ELEVATION IN FEET (NAVD 88)
145
140 =
=
135
130
125
115
110
105 
[ 3) 
10026000 26500 2/000 27500 28000
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN COVE

ELEVATION IN FEET (NAVD 88)
375
370 ;}—> 370 — 39
feu S
=a = /
= = ,
365 |S 365 — 38
y
4 L
fy h
lit h
it f
360 Jl_A 360 — 380 7
THE 2% ANINUAL CHANCE FLOOD PROFILE (S TOO CLOS I fh /
TO THE 1% ANNUAL CHANCE FLOOD ELEVATION TO BE Yi, /
OWN SEP FLY
eet sali fl /
Wi
355 af 355 — 37
<a | IN
A 227 /
— Fr HW
- rs Cx
D> a aa a
350 aL 350— 37
BP waar a
— pe aer. a
a te 7 a
a a - 77
Cd ro ~ y
a | le a a /, /
345 ee Te — 345 — 365+ 44 |
a -—7 | 77 LA Y/- ]
et ane 
rae oo f /
7 c ye
yA 4 4
340 > 340 — 36
, 
a
335 335 — 35
Te ee Pe Pee See PR Pee Pee Pee e
| 
J 
~ A o
AY) 
L 8 J Lo
330
0 500 1000 1500 2000 2500 3000 3000 3500 4
STREAM DISTANCE IN FEET ABOVE OLD HEBRON RO

ELEVATION IN FEET (NAVD 88)
425
420 +--+
Lut>—. oc
Co = Ya
~~ CO Ie
EB
415 Leo
THE 2% ANNUAL CHANC
TO THE 1% ANNUAL GH
SHOWN SEPARATELY
410 SE SE ES SS SS SSS S
r
,
-L_——- =
405 anne Bi anne see
—_ — = 7 — / 
400 = Sle
395
/
|
ly!
390 | 
/ / 
is 
y/ 
385 L 
SERS See ee ee ee Cee Cee Pee Pee e
(0) (e) CF
3804000 4500 5000 5500 6000 6500 7000 7500 8000 85
STREAM DISTANCE IN FEET ABOVE OLD HEBRON ROAD

445
\W
HOWMYON
See
\
=
/
is
Se
\
fo)
4
SSS
SS
=)
Ke
BIS
~.
~
Lo
Sh
—
Lu
sk
sh
7)
SSN
,
=
~~.
“en
a
SS
oO
53
N.
S
[om]
Lo
(om)
LoD
[om]
LoD
[om]
Lo
+ oe) rp) N N _ — =)
[am)
~
~
nN
_—
Se
i
~~
we
s. ~ ~ i
ae
TM
—
[an)
bm
~
Ns ~ irs)
— =< Qa oO
SIN
N
~
=“
=—
.>
~
~~
—
~
—
~“
—_
TMS
~N
bad
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NSS
ma NO NNSON (om)
Sy DS —)
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\
vh
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—
NX
\\
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=)
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aa
\
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r=)
2
AN
=
Ww
WAN
“I
Lu
NS
\
= ) NY
Ta i v\S
Stam
|\\\
\
A
\
VN
=< w\\
(em) = = \ \\ [on)
<
(om)
=
\
.
oO
{a \ Lo
— WY ’ ~ \ be
Ww}
Ay
—
—
S
fas}
\
=fS= \
So
\
[nN
—
2
|
o
oO
=
TS
|
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<
=)
1
=
=
}
Ny
GW
Ow
\
|
=
,
iB
a
lee)
~
N
N
—_
_
CS
(om)
STREAM DISTANCE IN FEET ABOVE OLD HEBRON ROAD

ELEVATION IN FEET (NAVD 88)
495
490
485
480
475
470
465
460
455
450
15000
AY
s
rN
| “SS
LIVI OF DE TAILCD of UD
INALTE NO NCTAILEN Crip,
XQ Ne
‘
~A
mS
=
=
=—
La
jem)
“TT
rm
DH
=
cD
\
r
a NO
fc 1
os
Ly
O70
m
CO Co)
rr ¢p
nH 4
=o)
= a =
m tr C2)
fn"
UN /
STREAM DISTANCE IN FEET ABOVE OLD HEBRON ROAD

35
30
25
20
ELEVATION IN FEET (NAVD 88)
shlddevldayho bee hed ddd 7
| CKWAT “FECTS FROM LO S
=<a
eS
a oe
C = £a 
Lu
of
. oo
Wc
- -—gE
co
/
Th
- /
/;
/f+
Kf
VA
fl
Wo
fJ /
4 / VA
++
—_—- oS SO Md A
i? 7
7
ae /
7. Yo
7
a}
7
Ta
; 
p=
Sees Cees Cees ees Cee Cee Cen Cees cee e
|
id oa
L LB 
500 1000 1500 200
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC R

ELEVATION IN FEET (NAVD 88)
55
50 
[ as ne
ee akan a ef edgier =e - j-—---—
45 4 4 Pra a7
V/ =
iH ——
Yj s f - _—_] -—
YL, A me]
“)) I ann =
YJ + So
Wh +—
40 Vee —
VL, aT
7 _—
AL) ) =
Y { a
AA —
” Vv _—
\ |
35 fi
/y |
30 ; }
ar 4
Sf
XY > a
25 = =
y/ =
Y, ou — _—
" 4 oO ~? = ro)
yy . Fr = 
7 = — Oo
VA = < SS
20 = A
4 = 
‘ 
15 
CE
| | : 
zl / | \
Cc C ) <a Cc ral
i“ wv LEY Ry (6
102000 4000 4500 5000 5500 6000 65
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
85
80 +
Cc
=
—_l
a4
75 =
E 0.2% A
IS TOO|CL
FLOOD JELEV
70
/
tukot (4 ~ 
LULVERT 77LA
Fa.
65 T
tian
— fol
—_— -z]- /
_ ose /
— =" _ T
60 ee fe
— —— “a apa Sram + 
—_ _— = ———" LS -_"* akc -
—_ —_ —_—— —N
—_—— —_ \
55 a an +. +
— —T | Nn /
= \ 
- oo 2 NN Na
a a . yo 
7 ia — 
— a 7 am 
S — 
- —_—
50 _a5
: 
45 
| | 
a a mh
Ll LJ LK
408000 9500 10000 10500 11000 11500 12000 125
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
95
85 
80
75 
70 aaa a aap eine ee e
= = an a A
° a
a
_|—
60 -E—
5G 
PEE ECE EERE EEE
| |
_~ ~ ra
NO 0) LP
5014500 15000 15500 16000 16500 17000 17500 18000 18500 190
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
105
100 =o L 
= = <t a
woe jem)
C) <r oc
2 wi} |=
—— oc o 
95 © oo 
=— 
—
fab) —
bad — 
_— --
2 a 
WA _ o
f - et 
90 WA 777 p= 7 Pid
WA / ae a
A 4 2
/ “of
L Vara P
VY 7 / Pi
/ wf. va
Sf Viaw WA
wy A 7 
85 — = 7 of
—— 4/7
-_—T on y x -
— -=-—-— —\-—
= —— _-—* _
VA Va i" ee a
ta ae
——— a 7 ot 7 fo
80 __— Ci ey aA a
--7 a =- S
= —— _- a S/S
a _ -_ S
== Yr
75 = =. -
a 
a 
ra 
70 =
pI 
65 
ET
| VA
a c ‘Oc y rl
s LOW) Lv
6021000 21500 22000 22500 23000 23500 24000 24500 25000 255
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
130
125 LH = Sens 2 see 
= F - = a =a ttt 
Nis ———— re _ a-7T.
S| 7 BOG G Boe eee eee eae ae
120 L-B1= St | __-<t --
- -] d
; aa __
= ty a
|
2
115 SSE = c
-
aa
oT
110 H ft —
105
// 
4
100 fp z 
44
Wie = =
Me = =
se — | o oc) ja
PCH ey =
95 -= 7
= 
/ =
/ \\we
/ —_1 WD
/ Zier 
f LL 
a9 bho
| 
Y] (-
e LZ
85
27000 27500 28000 28500 29000 29500 30000 30500 31000 315
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC R

ELEVATION IN FEET (NAVD 88)
155
150 =
a
145
140
135
/ P
J |, -—--4—--——-- T
130 aaa = ee ema =
tT | ee tt --
—— aan --—" i _|— rT] 7 47 TTT
ot _—-7 ee tills
Tae Genes Renee odes wee _ of -----7
25 PL eer tr _
+
_—
—
——
120 \,
_—— = 
5 
| | 
“~
AA ie,
11032000 32500 33000 33500 34000 34500 35000 35500 36000 365
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
170
165 rT i= a
—_ Lu ) Qe
i" — 7 Lu
a 7 LT —
—) i <
— c a i
< ar a
oc hi 3 oS
160 = A =
=
155
150
Pa ce
Cc -
fe
VIZ,
[if
145 _ ef
eas /
(o---
Ie - | N
Va /— “IN — ]
140 sir o—
7
ai -
a- A
135 :r 
- 
130 
| | . 
oN |) Ais \
(any (Uae UE) AG)
12538500 40500 41000 41500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH NIANTIC RIVER

ELEVATION IN FEET (NAVD 88)
85
80
75
70
65
60
55
50
45
40
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER
|
% BACKWATER EFFECT FROM SHETUCKET RIVER ]
l
ay
SS i i i Le p
V/
7 eto LL EL EL
Hs m
==
eee
=> SeSO ,
airand 4
= 4
Ss A
/)
WY
Pama |
Pam 74 \
ya WA V/
wn mA ca f LZ
f. + a
/ 7 \7 a ees —T_
VA fA: -—
Sf 7
J 7 /
7 Wi KA
IA a ,
7 * Ai ,
Zz. ZL.
= —T S
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— = —=——— = I — Z
a om -_ :
“| -
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a cal
Pa iz —_
i- a
a pat
a
—
a__s
a LI <r
ra _=)
Z- S 4 =
a Lu =a
7, A-
Al 
| | |
oN a am a
Re Le Lo) Lo
1000 1500 2000 2500 3000 3500 40

ELEVATION IN FEET (NAVD 88)
110
105
an
=
100 
' uae TA | 1: T ' Z
TOP OF ROAD|147.5 —
OTTOM 99.0 _L ——T
95 D = eee ae
ra i ~-— ae
a — —— i. -- je L
= a = —_—
/ o —T —_
/ —--- - __ er ae-
90 = == =
y ~_— -_—
‘4 -— _—
Fi ad *
a 4 
85 - 
/
= ss 4
D A 
80 
— 
4 
S —Z tl
/ 
/ 
V4 
75 2 =
wy
=
o-uli 
=="
70 =o
nae Dee es Cee ce
| | 
oN oOo oN S
LEY LF J La) HY
656500 8500 9000 9500 10000 10500 110
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH SHETUCKET RIVER

ELEVATION IN FEET (NAVD 88)
265
260
255
250
245
240
235
230
225
220
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JEREMY RIVER
- 
Su
ralesS 
F =
V} + _|. _—_—-T — _
/ Pay J ; -_
al = _— 7
/ = —_
Vi —_—
Sy
RI
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p=
—
_
i
> S
_— c
—— —= 
1 
o.o
or
SS ad
im NSN c y oC“ ¢
Ree Leo RS Ric
1500 2000 2500 3000 3500 4000 4

ELEVATION IN FEET (NAVD 88)
285 —
2%, 2% AND 1
280 =
<r
C
=
4
=
215 =
270 
LL
—_— -
or a -
— = “7, > aa 
265 Se
— <== --—T -———r -7 —
I a = 7] 7 ae
af — +_-———
—_— J -_— me
-TH, —— aT
—_— “
260 == = +
L- A
+ 4
L ya
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em
-
255 eet a”
L- - —
—_ —_—
250
245
|
is oN
LF LS J
2406500 8500 9000 9500 10000 10500 110
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JEREMY RIVER

ELEVATION IN FEET (NAVD 88)
315 | iz
2% % AN 10% F OOD ELEVATI ATA I nT IPUTE
310
305 
300 a
ia (Z — 4
/ / ==
7 VA
295 7 /
vA /
LZ
, WA
A A _
290 Z ©
a YL oe
a rao
at } !
285 Be
/ =
an
J All-
280 Pr 
975 
27013000 13500 14000 14500 15000 15500 16000 16500 17000 175
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JEREMY RIVER

ELEVATION IN FEET (NAVD 88)
335
330
325
320
315
310
305
300
295
290
18500
fo)
NO
i)
c
ju
—
©
m
OF
LIMIT
TAILED |
19000
20500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JEREMY RIVER

ELEVATION IN FEET (NAVD 88)
——— =
—— Lo
2p =i
SE: i
le 2S
i 7 ©
oo =
Sad
—o S
oe eee
Le
Ze
Se
meee a
{, / |
AL _
eS | = Te —— TH y
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= an J
—_ T [ ———
|
|
~ a Il
a
L
ZA
ra
| ee eee eee Pee eee e
| | 
\ 
A c >
Qo or, 2
500 1000 1500 2000 2500 3000 3500 4000 45
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN BR

ELEVATION IN FEET (NAVD 88)
60
55 —
= = 
= LL Lit
50
45 
40 SS SS SS SSS SS
A
7)
WA
S Wt “A
2 : 0S ee 2 a
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30 KL
4 % Ls A
awt 
Pe ia 
25
20 
| | 
<i, oN a i.)
LoD LED PO Lo
156500 7000 7500 8000 8500 9000 9500 10000 10500 110
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH JORDAN BROOK

115
[om]
[om]
[om]
ioe)
U
Ny
WV
Lau
HAW
_
VA
\
oO
= rt 2
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=
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to
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(om) Lo (om) Lo (om) Lo (om) Lo [om]
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH YANTIC RIVER

40
7h
!|
[|
|
tt
Ina
|
!|
Li
7,
RNG
Gnel
aan
Wvd
7
CT
cL
Tf
te
INDY
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{=
T
LO om) LO oO LO om) Lo oO
LO om) Lo oO Lo oO Lo oO
= + co cD N ~ — —
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7
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=
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5)
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ha
LO oO Lo oO Lo oO Lo oO
= + oD a) N ~ — —
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=
Lo oO LO oO Lo oO
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=
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JONINTINGS
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N
N
_
_
3500
3000
2500
2500
2000
1500
1500
1000
500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH HORTON COVE

ELEVATION IN FEET (NAVD 88)
100
95 Ls _ 95 —115 =
_ V/) =
Lid i) =
x= WG, " = =
= 4) p
oc CULVERT = -
io Yj <= =
<r Vv /) AS
ee ZA st
90 HE iy 90 —110 =
= 
ao
rs)
= 
LL
85 ex 85 105
| } {
-=
fe
Lu
—
80 5 f, 80 — 100
!
/ , /,
Lat
LY
|
h/ |
Yn |
75 F- 75 95
/
— Hl _
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vA A Le
10 55 70 — 90
=E a -—— -- — -- — WA 
LE
_— = e 7
— - = / Le oe
_---- /
an SS ee PP // /
65 F a 65 — 85 Ae
= / e
|
ab. <> ane / pH
= a 
a (2)
7 
60 = 60 80 ~
QO pe
aa a an} ra
Lo) | ~ PRE
a oO \ N
y KU 
55 iz
3500 4000 4500 5000 5500 6000 6500 7000 6500 70
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH HORTON COVE

ELEVATION IN FEET (NAVD 88)
140
|=:
[7
135 ' f- 135— 165 >
oc fa =
> Lily
=) /f
130 HHL + 130 — 160
fat)
[yl
[Ht]
| /
AY
ee |ans /
[Hi -\\_/
125 TH —- 125—— 155 —+—
Hy
A"1 =
41
/if
Tt
ATi j /
120 ar | 120—— 150 f-
[ - TAd
[-2—-F Oia
ao / YY,
—— i] AUP,
, / 14 7
- V4 J ] 4
oe cece y |i fi 7
115 4 + ; 7 115—— 145 p+
F f / HY f
——+-—------|+- “il N
Wt f.
[Hf VA
vy VA
VA pa XK
Jf i, VA
A Il
L A
110 4 110 140 Lap f b=
Lily ie
Ht] oc
[| —||—
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[l, jai)
[ff
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105 Fa 105 —— 135-4} a
ani V/
rf
/ 
100 100 —— 130-4
| ACCC EECA eee
\ |
f \ a
LU) LM
957000 7500 8000 8500 9000 9500 9500 10000 10500
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH HORTON COVE

200
[om]
[om]
[om]
=a
b
INVINIOY
40
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to
2
STREAM DISTANCE IN FEET ABOVE CONFLUENCE WITH HORTON COVE