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!n
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!4
!n
!n
!n
!n
!n
!n
!n
!n
!n
!n
!o
!n
!H
!n
!n
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N O R W ICH
P R E S T O N
BO Z R A H
M O N T V ILLE
LIS B O N
FR A N K LIN
LED YA R D
S P R A G U E
LEBA N O N
G R IS W O LD
CA N T E R B U R Y
S A LEM
N O R T H S T O N IN G T O N
B
SB
B
A
A
B
B
AA
A
AA
AA
AA
A
A
AA
A
A
B
AA
AA
AA
Occum
Baltic
Newent
Yantic
Oakdale
Hanover
Mohegan
Taftville
Shewville
Fitchville
Greenville
Thamesville
Jewett City
Norwichtown
Baccus Corner
Montville Center
Ox Hill
Fox Hill
Red Rock
Rye Hill
Long Rock
Ross Hill
Blue Hill
Rose Hill
Crow Hill
Bear Hill
Ayers Gap
Jail Hill
Bundy Hill
Avery Hill
Fort Point
Avery Hill
Mason Hill
Round Hill
Bourn Hill
Lynch Hill
Uncas Hill
Brush Hill
Noble Hill
Scott Hill
Turkey Hill
Taylor Hill
Misery Hill
Church Hill
Laurel Hill
Bashon Hill
Chapel Hill
Spicer Ledge
Wawecus Hill
Easter Point
Mohegan Hill
Chapman Hill
Standish Hill
Dolbeare Hill
Campbell Hill
Cochegan Rock
Cochegan Hill
Papoose Ledge
Crandall Hill
Prospect Hill
Walden Island
Pleasure Hill
Comstock Hill
Colegrove Hill
Mount Pleasant
Ayers Mountain
Pautipaug Hill
Hearthstone Hill
Schoolhouse Hill
East Great Plain
The Sandy Desert
Meeting House Hill
A
B
SB
AA
A
B
A
B
A
B
A
B
A
A
A
A
A
B
B
AA
SB
A
AA
A
SB
SB
B
A
B
A
B
A
AA
A
A
A
SB
A
B
B
A
A
A
A
B
A
A
B
A
A
A
A
AB
B
A
A
B
A
A
B
A
B
SB
Gay Pond
Fox Brook Long Pond
Eely Pond
Cote Pond
City Pond
Ayer Pond
Amos Lake
Riel Brook Reed Brook
Neck Brook
Kahn Brook
Geer Brook
Ford Brook
Cory Brook
Cold Brook
Wedge Pond
Tadma Pond
Paris Pond
Occum Pond
Lucky Pond
Kahn Ponds
Fords Pond
Cooks Pond
Bates Pond
Avery Pond
Adams Pond
Dark Swamp
Tadma Brook
Stony Brook
Round Brook
Polly Brook
Pease Brook
Myers Brook
Hoxie Brook
Gager Brook
Dixon Brook
Byron Brook
Broad Brook
Ayers Brook
Ayers Brook
Adams Brook
Yantic Pond
Wilcox Pond
Graham Pond
Gilman Pond
Gagers Pond
Cooley Pond
Bishop Pond
Amoeba PondCedar Swamp
Cedar Swamp
Yantic River
Yantic River
Yantic River
Thames River
Thames River
Norman Brook
Little River
Lisbon Brook
Hunter Brook
Hewitt Brook
Hammer Brook
Halsey Brook
Folwix Brook
Elisha Brook
Choate Brook
Choate Brook
Buhler Brook
Beaver Brook
Bailey Brook
Austin Brook
Wheeler Pond
Oxoboxo Lake
Oakdale Pond
Mahoney Pond
Leonard Pond
Kendall Pond
Hunters Pond
Highway Pond
Hibbard Pond
Donahue Pond
Bellows Pond
Ashland Pond
Trading CoveWhittle Brook
Shantok Brook
Philips Brook
Pheneys Brook
Pearson Brook
Oxoboxo Brook
Mohegan Brook
Gardner Brook
Gardner Brook
Crowley Brook
Crowley Brook
Bentley Brook
Bellows Brook
Turnpike Pond
Sideline Pond
Rockland Pond
Lamberts Pond
Fox Hill Pond
Dubinski Pond
Browning Pond
Aspinook Pond
Waterman Brook
Mountain Brook
McAlpine Brook
Goldmine Brook
Driscoll Brook
Benjamin Brook
Taftville Pond
Taftville Pond
Spaulding Pond
Papermill Pond
Papermill Pond
Holdridge Pond
Hallville Pond
Clayville Pond
Ariewitzs Pond
Shewville Brook
Shewville Brook
Shetucket River
Shetucket River
Shetucket River
Shetucket River
Rose Hill Brook
Quinebaug River
Quinebaug River
McCarthys Brook
Jonnycake Brook
Joe Clark Brook
Versailles Pond
Scholfield Pond
Round Hill Pond
Plain Hill Pond
Lisbon Ice Pond
Fitchville Pond
Burr Smith Pond
Blissville Pond
Sheep Barn Brook
Indiantown Brook
Blissville Brook
Byron Brook Pond
Barnes Reservoir
Baltic Reservoir
Poquetanuck Cove
Poquetanuck Brook
Norwichtown Brook
Great Plain Brook
Bobbin Mill Brook
Mohegan Brook Dam
Trading Cove Pond
Folwix Brook Pond
Trading Cove Brook
Trading Cove Brook
McAlpine Brook DamTantquidqueon Pond
Norwich Falls Pond
Fairview Reservoir
Susquetonscut Brook
State Hospital Pond
Hollowell Road Pond
Old Stone Mill Brook
Mineral Spring Brook
Billings Avery Brook
Bog Meadow Reservoir
Crandall Property Dam
Stony Brook Reservoir
Industrial Waste Ponds
Taftville Reservoir No 3
Taftville Reservoir No 2
Taftville Reservoir No 1
Spaulding Pond Site No 2 Dam
Gager FieldAirport
William W Backus Hospital
Uncas School
Bishop School
Mohegan School
Oakdale School
Thomas W Mahan
Wequonnoc School
Teachers Memorial
Veterans Memorial
Poquetanuck School
Lebanon Elementary
Kelly Middle School
Griswold High School
Norwich Free Academy
Leonard J Tyl Middle
Lisbon Central School
Hickory Street School
John B Stanton School
Montville High School
Fields Memorial School
John M Moriarty School
Griswold Middle School
Samuel Huntington School
Saint Bernard High School
Franklin Elementary School
Griswold Elementary School
Preston Plains Middle School
Integrated Day Charter School
Norwich Technical High School
Greeneville Elementary School
Griswold Alternative High School
Preston Veterans Memorial School
Three Rivers Community College - Mohegan Campus
I 395
State H
wy 12
Route
12
Route
164
Route 32
State Hwy 2
Route 2
State Hwy 82
Route
169
River Rd
Route
163
State Hwy 163
State
Hwy 1
64
State Hwy 87
State
Hwy 3
2
State Hwy 2
07
Burnh
am Hw
y
State Hwy 97
State Hwy 169
Pond Rd
Governor John Davis Lodge Tpke
Bozrah St
Route 165
Raymond Hill Rd
Plain Hill Rd
State Hwy 165
Fitchville Rd
South Rd
Scotland Rd
Route 82
Lebanon Rd
Mille
r Rd
Route 138
Norwich Hartford Tpke
Route 97
Shetucket Tpke
Krug Rd
Waterman Rd
Exeter Rd
Norwich Westerly Rd
Old Colchester Rd
State
Hwy 2
A
Wind
ham
Tpke
Military H
wy
Bishop Rd
Baltic Rd
Cante
rbury
Tpke
Main St
State
Hwy 1
17
Oakdale Rd
Fitch Hill Rd
New
Lond
on Tp
ke
Trumbull Hwy
Ross
Rd
Shewville Rd
Giffor
d Ln
Case
St
Norwich Lebanon Rd
Mell Rd
Midd
le Rd
Preston Rd
Jewe
tt City
Rd
Old Jewett City RdGager Rd
Kahn Rd
Avery
Hill R
d
Brick
yard
Rd
Salem Tpke
Norwich Salem Tpke
Cherr
y Ln
Bosw
ell Av
e
Hough Rd
Norwich Colchester Tpke
Harlan
d Rd
Preston Plains Rd
Laure
l Hill R
d
Bashon Hill Rd
Occum Rd
Rogers Rd
High St
Laure
l Hill A
ve
Paper Mill Rd
Ross Hill Rd
Scott Hill Rd
Watso
n Rd
Newent Rd
Pequot Trl
Kimball Rd
White Plains Rd
Black Ash Rd
Inland Rd
Leffingwell Rd
Carol
ine R
d
Wawecus Hill Rd
Washington St
Bushnell Hollow Rd
Asylu
m St
Blue H
ill Rd
River Dr
Branch Hill Rd
Brush
Hill R
d
Lawler Ln
Kendall Rd
Holton Rd
Bundy Hill Rd
Jonathan Trumbull Hwy
Hebron Rd
Prodell Rd
Horiska Rd
Shewville Road NO 1
Oxoboxo Dam Rd
Doyle Rd
Colonel Ledyard Hwy
State Hwy 138
Potash Hill Rd
Hoxie Rd
Chapel Hill Rd
Gallivan Ln
Norw
ich N
ew Lo
ndon
Tpke
Plains Rd
Plainfield Rd
Route 207
Oxoboxo Brook Rd
Preston Allen Rd
CH Hi
ll Rd
Dudley
St
Phillip
s Rd
Rose Hill Rd
Gifford St
Baltic
Han
over
Rd
Otrobando Ave
Aime St
Yantic Ln
Mill Pond Rd
Route 201
Forsyth Rd
Poquetanuck Rd
Thomas Rd
Derry Hill Rd
Hamilton Ave
Ox Hill Rd
Parks Rd
Hunters Rd
Starr S
t
Corning Rd
Lynch Hill Rd
Route
2A
Corner Dr
Taftville Occum Rd
Salt Rock Rd
Hollowell Rd
Broadway
Cove Rd
Hanover Versailles Rd
Riverside Dr
Chesterfield Rd
Westminst
er Rd
Corner RdLake Rd
Centr
al Ave
Pleasure Hill Rd
Stockhouse Rd
Derry Hl
Cooktown Rd
Simpson Ln
Hans
en Rd
Norw
ich - N
ew Lo
ndon
Rd
Eccle
ston R
d
Dunham St
Broad St
Bozra
h Rd
Churc
h Hill R
d
Radler Rd
Rimek Rd
Mathewson Mill Rd
Watso
n Roa
d NO
1
Old Willimantic Rd
Norwich Ave
Wigh
tman
Ave
State Hwy 201
Silas Deane Rd
Noble Hill Rd
Hill St
Ames
Rd
Sullivan Rd
Kinsman Hill Rd
Old Salem Rd
Prosp
ect S
t
Wisco
nsin
Ave
Stott Ave
Remick Rd
Elizabe
th St
Old C
anter
bury
Tpke
Pautipaug Hill Rd
Cliff St
Eager Rd
Town St
Fanning Rd
Massape
ag Rd
Pachaug Rd
Brewster Rd
Pine St
Stanton Rd
Bunny Dr
Pires
Dr
Unde
r the M
ounta
in Rd
Burton Rd
Massapeag Side Rd
4th Ave
Cedar
Ln
Goshen Rd
Taylor Hill Rd
School Hill Rd
Scho
ol Hou
se Rd
Brigg
s Dr
Seabury Ave
Briar Hill Rd
Fort Shantok Rd
Benjamin Rd
Fellows Rd
Flyers
Dr
Lake
view
Dr
Dr Nott Rd
Standish Rd
Town House Rd
Briggs Rd
Allyn Ave
Sunrise Dr
3rd Ave
Madley Rd
Bliss
ville R
d
Spicer Hill Rd
Baltic
St
Chris Dr
Lynch Rd
Brush Rd
New Pa
rk Ave
Vergason Ave
McClimon Rd
Hoxie Road NO 1
Mattern Rd
2nd Ave
Mohegan Sun Blvd
Meeti
ng H
ouse
Ln
Rindy Rd
Bushnell Rd
Newton St
Cedar St
A St
Palmer St
Wawecu
s St
Goshen
Hill Rd
Champion Rd
Summ
it St
Lambert Dr
Long S
ociety R
dCranberry Pond Rd
Willia
ms Rd
Meeti
ng H
ouse
Hill R
d
Cook Dr
8th St
Cottage RdBittersweet Dr
Lynn
Dr
Spruce Ln
Willimantic Rd
Briar
Ln
Hunters Ave
North
St
Murph
y Rd
Montv
ille Rd
McCle
llan Av
e
7th St
Audette Rd
Lee Rd
Park Ave
Robin
son H
ill Rd
Coachman Pike
Lafaye
tte St
Connect
icut Av
e Terry Rd
Roosevelt Avenue Ext
School St
Oak Rd
McKinley Ave
Hebron Turnpike Road NO 2
Mohegan Park Rd
Doctor Nott Rd
Lochdale Dr
Joy Ln
Alice St
Occum Ln
Driscoll DrLisa Ln
Georg
e Palm
er Rd
Michael Ln
Frank
lin St
Mohegan Rd
Lillibri
dge Rd
Hinckley St
Union St
Harris
Fulle
r Rd
Lincoln Park Rd
Nygren Rd
Barbe
rs Rd
Spruce St
Falls Ave
B St
Versa
illes R
d
Gray Farm Rd
Oxoboxo Cross Rd
Roath St
Stony
brook
Rd
Ashland St
Dydo
Dr
Julian Dr
Reynolds Rd
Hewitt Rd
Talman S
t
Church St
Marion Ln
Dows Ln
Grandview Dr
Oneco St
West Town St
Merchan
ts Ave
Lily Pond Rd
Laura Blvd
Bear Hill Rd
Golden St
Arrowhead Dr
Blueberry Ln
Brown
ing Rd
Velgouse Rd
Ayer Rd
Cherry Hill Rd
Coit L
n
Roose
velt A
ve
Wayn
e St
Mediterranean Ln
Sandy Ln
Shew
ville
Kate
Swam
p Rd
Kerri Ln
Peck
St
Allen Dr
Fieldi
ng D
rRo
dgers
Rd
Atlan
tic Av
e
Hinckley Hill Rd
Starton Ln
Bozrah Street Ext
Jurczyk Rd
Broadview Ave
Lake Dr
Cottonwood Ln
Regina Rd
Rockwell St
Jone
s Ct
Dogw
ood D
r
Conn
ectic
ut Blv
d
River St
Forest St
Spicer Rd
Matts Path
Smith Rd
Pend
leton
Rd
Geer Ave
Stanto
n Ln
Old Pond Ln
Amos
Rd
Indiantown Rd
Pearl St
Kanahan Rd
Wahconah Dr
Fowler Rd
Sturtevant St
Church Rd
Wahdonah Dr
Russell St
Division St
Platt Ave
Wall St
Pratt St
Pren
tice S
t
Straw
berry
St
Regin
a Ave
Icehouse Rd
Haughton Rd
Tanglewood Dr
Huntin
gton A
ve
Skyline Dr
Tra Mart Dr
Franci
s Dr
Baron Dr
Smith Ave
Quarto Rd
Lucas Park Rd
Arpin Ln
Manning Rd
Walker Rd
Sarah Dr
Richard St
Pheasant Run
Schwartz Rd
State Hwy 214
New York Dr
Fox Rd
Whipp
oorw
ill Ho
llow
Rd
Lisbon Hts
Holly Hill Dr
Crou
ch Av
e
Coit St
Crescent St
Pollys Ln
Forest Dr
Brown Ave
Gilman Rd
Lathrop Grv
Oakland Dr
Aljen
Ave
Farnh
am R
d
Pratt
e Ave
Caribo
u Dr
Hebron Tpke
Santa Anna Rd
Water St
Mathe
wson
St
Adams Dr
Meadowbrook Rd
Mowry Ave
Ches
tnut S
t
Resevoi
r Rd
Woodland Dr
Lena D
r
Fielding Ter
Lisbo
n Rd
Allen St
Norwich Colchester Rd
Butternut Dr
Leita
o Dr
Park A
venue
Ext
11th St
Everett St
Ford AveSherwood Ln
Peter
s Rd
St Regis Ave
Podurgiel Ln
Mish Dr
Norman Rd
Seabur
y Rd
Drawb
ridge R
dSh
eas L
n
Perry Ave
Apache St
Porach Rd
Otis St
Sprin
g St
Elm St
William Dr
Gulliv
er Cir
Will R
d
Maple
Ave
Dellwood
Rd
Phillip Ln
Shetu
cket A
ve
Sherman St
Kitem
aug R
d
Sergeants Way
Quinebaug Camp Rd
12th St
Stanton Hill Rd
Strnad Rd
Donahue Dr
Burdick RdJohn E
dward
Dr
Yantic St
Nora St
5th Ave
Fogarty Rd
Pumping Hill Rd
Park
Pl
Golden Rd
Lauren Ln
Fowler Dr
Fairview Ave
Oakridge St
Tift St
Walnut Dr
Service Road
Willow
Ln
Tedd
y Ln
Scott
St
Vermont Dr
Rex Rd
Texas Dr
Henry St
Stony Ridge Rd
4th St
Franklin Rd
Ortega Dr
Woodland Ln
Terrace Dr
Lois St
Rene
Dr
Caulkins Rd
Douglas Dr
Weste
rn Av
e
Arbo
r Rd
Lacroix
Rd
Roy RdLeme
in St
2nd St
Carey
Ln Surrey Ln
Eska Dr
McKenna Ave
Ohio A
ve
Abbey Rd
Cuprak Rd
Rita Dr
Tyler Dr
Stewa
rt Dr
Maple St
Bolduc Dr
Nemczuk Dr
Indus
trial R
d
Penny
Ln
Bailey Hts
Green Briar Rd
Moun
tainv
iew D
r
Elijah St
Wilderness Rd
Michele Dr
Perimeter Loop
Blais Rd
Laurel Point DrRoute 117
Foun
tain S
tRankin Ct
Private Rd
Hilltop Rd
Pinecrest Ln
Ash St
Cardinal Ln
Virginia Rd
Lake
St
Wildwood Ln
Jennie Dr
Thomas Ave
Bozrah Dr
Aspen Ct
Georgia Rd
Tanager Ln
Stuart Dr
Polly Rd
Oak Hills Trl
Southgate Cir
Sunny H
ill Dr
Hillcr
est A
ve
Old Route 87
Philan
ne Dr
14th St
Oakland Hts
Tory
Dr
Doolittle Rd
Larry St
Glen
Crag
Pl
Hobar
t Ave
Gutterman Rd
Old Route 32
Lenas Rd
Bayberry Ln
Topliff Dr
St Paul Ct
Robert St
Overl
ook D
r
Naomi Dr
Birch Heights Rd
Ricky Ln
Ward
St
West
St
Camp
Rd
Overlook Rd
Mayo Ave
Paster Rd
Meadow Ln
Myron St
Lisbon Heights Rd
Brewster Dr
Elm Av
e
Miriam RdMcKay St
Russell Rd
Rollins Rd
Ann St
Ruth St
Lydia L
n
Leo St
Webb Dr
Pautipaug Ln
4WD Road
Clifton Pl
C St
Autumn V
iew Dr
Desjardins Dr
Forest Ln
Wales Rd
Fanning Ave
Plumt
ree Dr
Whitehall Dr
Morga
n St
Tuckers Run
Lornad
ale Dr
Trading Cove Dr
Rosemarie Ln
Beech Dr
Lake of Isles Rd
Mello
Dr
John S
t
Park
St
Lower Blissville Rd
Circle A
Mech
anic
St
Goulart Dr
Inner Loop
Suns
et Av
e
Mano
r Rd
Ridge Dr
Uplan
d Rd
Melrose Park Rd
Andersen Ln
Goldmine
Rd
Royal Oaks Dr
Ethel Acres
Hersc
hler R
d
Lyman Hill Rd
Pilling St
Gillette Rd
Tillies Way
Old Colchester Road Ext
Sandy Desert Rd
Shagbark Ln
Tyler Ln
Martin Ct
Fortin Dr
Kinsman
Hill Road
Ext
Jurewicz St
Summ
er St
Deer Trl
Sycamore Rd
Heath Spur
Felix St
Ventura Dr
Highland St
Baldw
in Ct
Vine St
Briar Le
dge
Mops
ic Ct
Swan Rd
Tyler
Rd
Ridgewood Dr
Short Rd
Grant Ct
Whee
ler Fa
rm R
d
Ross
Hill R
oad E
xt
Laporte Dr
Hilltop Dr
Halls
Mill R
d
Joseph
St
Turnp
ike Pa
rk
Graham Ter
Tyler
Ave
Old North Rd
Harvard Ter
Ethel Acres Rd
Weber Fa
rm Rd
Barber Rd
Tetreault Ave
Center Dr
Wendy Dr
Hillcrest Rd
Corne
ll Ct
Victorian Dr
David Ave
Huntin
gton L
n
Sodom Rd
Cemetery Rd
Coun
try D
r
Pequot Vlg
Wimberly Dr
Waldo Rd
Forge Ln
Jordan Dr
Deep Holw
Harland Hts
Harla
nd Pl
Sabrinas Ct
Ann A
ve
Thames T
er
Dobrucki Rd
Helen St
Vartell
as Dr
Railroad Ave
Fawn Pl
Northwind Cir
Wicklow Tpke
Pleasantview Cove Rd
Hemloc
k Cir
Monroe St
Elizabeth George Dr
Downing Dr
Belleau Ave
Minzy Dr
Balawender Dr
Alliso
ns W
ay
15th St
Blueb
erry H
ill Rd
Elaine
St
Sylva
ndale
Rd
Holly
Hill R
d
Tanner
Ave
Consumers Ave
Tower Hill Rd
Sunnyside Ave
Liberty Rd
Carver A
ve
Round Hill Ct
Mulberry St
Shingle Point Rd
Quarr
y St
Henry Rd
Avenue A
Wilderness Acres
Pond
Ln
Kimball Heights Ln
Spencer Hollow Rd
Walkway
Maynard Rd
Park Dr
School Ave
Old Tavern Rd
France
s St
Erin St
Sparrow Ct
Corni
ng Dr
Rogers Ave
Marie
Ave
December Dr
Spout Run
Patrick Pl
Birchwood Dr
Cooper St
Pevner Dr
Quinebaug Dr
Lucas St
Edward Ave
Matagha's Way
McNaught Dr
Sweet
briar S
t
Potts Is
K of C Dr
Arlingto
n Hts
Amanda Ct
Cove St
Watro
us Av
e
Alaska
Rd
Barron St
Pukal
lus Av
e
Diane D
r
Avery Ln
Dominic
an Dr
Wood
crest
Dr
Glen C
t
Jay St
Newant Rd
George St
Palm
er St
I 395
Watson Rd
Versa
illes R
d
State
Hwy 2
A
Brown
ing Rd
School House Rd
Old Salem Rd
Church St
Scotl
and R
d
Route 138
Main St
B St
Tang
lewoo
d Dr
Elm St
Main
St
Lake
Rd
Willow Ln
Main
St
State Hwy 2A
Main St
Main St
Town St
Route 1
2
Cove Rd
River Rd
CH Hill Rd
Wawecu
s Hill R
d
Governor John Davis Lodge Tpke
Scott
Hill R
d
Kendall R
d
Alice St
School St
Mechanic St
Oakland Dr
Caroline Rd
Baltic Rd
Gager Rd
Hill St
State Hwy 32
Mohegan Park Rd
Cedar Ln
River Rd
Route
32
State Hwy 2A
Norwich Ave
Ricky Ln
Thomas Rd
Main St
Prodell Rd
High St
Exit 1
Exit 28S
Exit 22
Exit 81E
Exit 24
Exit 23
Exit 82
Exit 83A
Exit 80E
Exit 85
Exit 27
Exit 29
Exit 83
Exit 84N
Exit 2
Exit 25
Exit 80W
Exit 80
Exit 79A
Exit 79A
Exit 29
Exit 82
Exit 85
Exit 1
Exit 23
Exit 83
Exit 22
Exit 28S
Exit 2
§̈¦395
§̈¦395
SV87
SV117
SV32
SV163
SV82
SV164
SV97
SV12
SV138
SV207
SV2
SV2A
SV165
SV169
SV289
SV214
SV201
SV214
SV2ASV2A
SV2A
Three Rivers Community College - Thames Valley Campus
6 4 3
57
122
88
MAP LOCATION
NorwichNorwich
W ATER Q UALITY CLAS S IFICATIONSNOR W ICH, CT
SCALE 1:24,000 (1 inch = 2000 feet) when m ap is printed at original size
1 0 10.5 Miles
1 0 10.5 Kilometers
1000 0 1000 2000 3000 4000 5000 6000 7000 Feet
ADOPTED DATES
W ater Q uality S tandardsFebruary 25, 2011
Tham es R iver, Pawcatuck R iver and Southeast CoastalBasins: Decem ber 1986
Connecticut R iver and South Central Coastal Basins:February 1993
Housatonic R iver, Hudson R iver and Southwest CoastalBasins: March 1999
S TATE OF CONNECTICUTDEPAR TMENT OFENER GY & ENV IR ONMENTAL PR OTECTION79 Elm S treetHartford, CT 06106-5127
State Plane Coordinate System of 1983, Zone 3526Lambert Conformal Conic Projection
North American Datum of 1983
MAJOR BASINS1 Pawcatuck2 Southeast Coast3 Tham es4 Connecticut5 South Central Coast6 Housatonic7 Southwest Coast8 Hudson
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S UR FACE W ATER Q UALITY CLAS S ES
Final Aquifer Protection Area (Level A)Major Basin Boundary
GR OUND W ATER Q UALITY CLAS SES
NOTES:S urface W ater Classifications beginning with S refer to Coastal and Marine S urface W ater.B* is a subset of Class B where no direct wastewater discharges are allowed other than thoseconsistent with Class AA, A and SA surface waters.
GA (white background)GAA, GAAsGA, GAA may not meet current standardsGBGC
Area of Contribution to Public Supply Well
AAAB, B*SASB
AAAB, B*SASB
EX PLANATIONW ATER Q UALITY CLAS S IFICATIONS (W Q C) MAPS are oneof the elem ents of the W ater Q uality S tandards (W Q S ) for theS tate of Connecticut. The W Q S are a part of Connecticut's cleanwater program and are essential for protecting and improving waterquality. The W Q S follow the principles of Connecticut's CleanW ater Act which is in Chapter 446K of the Connecticut GeneralS tatutes. The W Q S provide policy guidance in m any areas, forexample decisions on acceptable discharges to water resources,siting of landfills, rem ediation or prioritization of m unicipalsewerage system projects. The first two elem ents of the W Q S arethe S tandards, which set an overall policy for m anagem ent of waterquality, and the Criteria, which are descriptive and num ericalstandards that describe the allowable param eters and goals forvarious water quality classifications. A discussion of these twoelem ents is found in the W ater Q uality S tandards docum entavailable on the CT DEEP website. The third elem ent is theClassifications and the W ater Q uality Classification Maps whichshow the Classification assigned to each surface and groundwaterresource throughout the S tate. The W Q S are adopted using a publicparticipation process. The W Q C m aps are also adopted using apublic participation process but go through hearings separatelyfrom the S tandards and Criteria hearings. R evision and adoption ofthe W Q C data occurs in accordance with the public participationprocedures contained in S ection 22a-426 of the ConnecticutGeneral S tatutes. Ground W Q C is subject to Connecticutregulation and changes m ust be reviewed and adopted. All changesto the S urface W Q C require an adoption process which is subjectto federal review and approval in addition to CT regulation. Theadoption dates for the W Q C by m ajor drainage basin are:Housatonic R iver, Hudson R iver and Southwest Coastal Basins -March 1999; Connecticut R iver and South Central Coastal Basins -February 1993; Tham es R iver, Pawcatuck R iver and SoutheastCoastal Basins - Decem ber 1986. S urface W ater Classifications donot change after the adoption date until the next m ajor revision.Ground W ater Classifications m ay change after the adoption dateunder specific circum stances. The m ap m ay have more than oneW Q C adoption date because a town m ay be in more than onem ajor drainage basin.SUR FACE W ATER S in Connecticut are divided into freshwaterclassified as AA, A, B or B* and saline waters classified as SA orSB. Class AA designated uses are existing or proposed drink ingwater supplies; habitat for fish and other aquatic life and wildlife;recreation; and water supply for industry and agriculture. Class Adesignated uses are habitat for fish and other aquatic life andwildlife; potential drink ing water supplies; recreation; navigation;and water supply for industry and agriculture. Class SA designateduses are habitat for m arine fish, other aquatic life and wildlife;shellfish harvesting for direct hum an consumption; recreation;industrial water supply; and navigation. Class B designated usesare habitat for fish and aquatic life and wildlife; recreation;navigation; and industrial and agricultural water supply. Class B*,applicable to Candlewood Lak e, is a subset of Class B and isidentical in all ways to the designated uses, criteria and standardsfor Class B waters except for the restriction on direct discharges.Class SB designated uses are habitat for m arine fish and aquaticlife and wildlife; com m ercial shellfish harvesting; recreation;industrial water supply; and navigation.
S urface waters which are not specifically classified shall beconsidered as Class A or Class AA. S urface waters in GA groundwater areas are assum ed Class A or Class SA unless otherwiseindicated. S urface waters in GAA ground water areas are assum edClass AA unless otherwise indicated.On the W Q C m ap a surface water quality goal of A is representedby blue colored water bodies. S urface water quality goal of AA isrepresented by purple colored water bodies. S urface water qualitygoal of B is represented by gold colored water bodies.GR OUND W ATER S in Connecticut are classified as GAA, GA,GB and GC. Class GAA designated uses are existing or potentialpublic supply of water suitable for drink ing without treatm ent andbaseflow for hy draulically-connected surface water bodies. TheClass GAAs is a subclass of GAA for ground water that is tributaryto a public water supply reservoir. The area of contribution to apublic water supply well is represented by a 500-foot radius aroundthe well and is assum ed to be Class GAA unless otherwiseclassified. Class GA designated uses are existing private andpotential public or private supplies of water suitable for drink ingwithout treatm ent and baseflow for hy draulically-connectedsurface water bodies. All ground waters not specifically classifiedare considered as Class GA. Class GB designated uses areindustrial process water and cooling waters and baseflow forhy draulically-connected water bodies and is presum ed not suitablefor hum an consumption without treatm ent. Class GC designateduses are assim ilation of discharges authorized by theCom m issioner pursuant to S ection 22a-430 of the General S tatutes.On the W Q C m ap GA is represented by white colored land areas.Class GAA and class GAAs are represented by blue colored landareas. The area of contribution to a public water supply well isshown by a blue cross-hatch overprint. A notation of GAAfollowed by a state abbreviation indicates a watershed thatcontributes to the public water supply for a state other thanConnecticut. Class GA or Class GAA areas that currently m ay notbe m eeting the GA or GAA standards are represented on the W Q Cm aps by tan colored land areas. Class GB is represented by greencolored land areas. Class GC is represented by m agenta coloredland areas.FINAL AQ UIFER PR OTECTION AR EAS (Level A) are includedon the W Q C m aps for inform ational purposes. These areas areanticipated to be reclassified GAA during the next m ajor basinupdates, subject to public participation. The Aquifer ProtectionProgram helps protect Connecticut’s public drink ing waterresources by delineating aquifer protection areas (also calledwellhead protection areas) for public supply wells and establishingland use regulations within these areas. These areas represent theland area contributing ground water to active public water supplywells or well fields that serve more than 1000 people and are set insand and gravel aquifers (stratified drift deposits).
DATA SOUR CESW ATER Q UALITY CLAS S IFICATIONS DATA – W ater qualityclassifications shown on this m ap are based on inform ation fromthe following digital spatial datasets that are typically showntogether – Ground W ater Q uality Classifications Poly, S urfaceW ater Q uality Classifications Line, and S urface W ater Q ualityClassifications Poly. The m ap legend above reflects the content ofthese three data sources. These W Q C data were initially compiledon 1:24,000-scale 7.5 m inute USGS topographic quadrangle m apsand later digitized at 1:24,000 scale. For example, the S urfaceW ater Q uality Classifications Line and S urface W ater Q ualityClassifications Poly digital data assigns surface water qualityclassifications to water bodies such as rivers, stream s, reservoirs,lak es, ponds and coves found in 1:24,000-scale hy drography dataavailable from CT DEEP. The hy drography m ay not include all thewaterbodies in Connecticut. The Ground W ater Q ualityClassifications Poly data assigns ground water qualityclassifications, at 1:24,000 scale, to the rem aining land areas inConnecticut.AQ UIFER PR OTECTION AR EA DATA – Aquifer ProtectionAreas shown on this m ap are from the Aquifer Protection Areadigital dataset which contains polygon data intended to be used at1:24,000 scale. The dataset contains regulated areas classified asLevel A Aquifer Protection Area (Final) and Level B AquiferProtection Area (Prelim inary). The Level B areas are not shown onthe W Q C m aps. The data was collected from 1991 to the presentand is actively updated as Final area m apping replaces earlierPrelim inary areas. The Aquifer Protection Areas are delineated by
the individual water companies owning the well fields andsubm itted to the CT DEEP for approval. Prelim inary m appingprovides a general estim ate of the area contributing ground waterto the well field. Final m apping is based on extensive, site-specific,detailed modeling of the ground water flow system. CT DEEP m ayadjust Final area boundaries to be consistent with 1:24,000 scaletopography and base m ap data where appropriate during theapproval process.MAJOR DR AINAGE BASIN DATA – Major drainage basinsshown on this m ap are from Major Basin Line data developed byCT DEEP and intended to be used at 1:24,000 scale.BASE MAP DATA - Based on data originally from 1:24,000-scaleUSGS 7.5 m inute topographic quadrangle m aps published between1969 and 1992. It includes political boundaries, railroads, airports,hy drography, geographic nam es and geographic places. S treets andstreet nam es are from Tele Atlas® copyrighted data. Base m apinform ation is neither current nor complete.R ELATED INFOR MATIONThis m ap is intended to be printed at its original dim ensions inorder to m aintain the 1:24,000 scale (1 inch = 2000 feet).W ATER Q UALITY S TANDAR DS - Go to the CT DEEP websitefor a sum m ary and the full text of the “W ater Q uality S tandards”and for other inform ation on water quality.AQ UIFER PR OTECTION AR EAS - Go to the CT DEEP websitefor more inform ation.
Map created by CT DEEPOctober 2017Map is not colorfast
Protect from light and moisture
