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H A D D A M
LY M E
EA S T H A D D A M
E S S E X
K ILLIN G W O R T H
CH E S T E R
D EEP R IV E R
CLIN T O NW E S T B R O O K
O LD S AY B R O O KM A D IS O N
O LD LY M E
D U R H A M
SB
B
SB
SA
AA
AA
AA
AAAA
A
B
A
AAAA
AA
AA
A
SA
A
A
A
Ponset Arnolds
Hadlyme
Winthrop
Higganum
Ivoryton
West Haddam
Pond Meadow
Centerbrook
Little City
Shailerville
Little Haddam
Mount Parnassus
Brockway Landing
Otter Cove Estates
Post Hill
Mount Tom
Long Hill
Bald Hill
Book Hill
Toby Hill
Ruth Hill
Fort Hill
Bushy Hill
Honey Hill
Tower Hill
Story Hill
Goose Hill
Buell Hill
Great Hill
Mares Hill
Ferry Hill
Bible Rock
Pine Ledge
Viney Hill
Rat Island
Lord Island
Ingham Hill
Joshua Rock
Poplar Hill
Shippy Hill
Nott Island
Cones Point
Haddam Neck
Selden Neck
Kelsey Hill
Cheney Hill
Rich Island
Turkey Hill
Turkey Hill
Obed Heights
Mount Archer
Great Meadow
Walkley Hill
Spencer Hill
Stumpet Hill
Landing Hill
Haydens Point
Prospect Hill
Mitchell Hill
Foxboro Point
Chestnut Hill
Cremation Hill
Hemlock Valley
Millstone Hill
Candlewood Hill
Roast Meat Hill
Brockway Island
Eustasia Island
Observatory Hill
Thatchbed Island
Candlewood Ledge
Rattlesnake Ledges
Rattling Valley Hill
SB
B
A
AA
AA
SB
SB
SB
SB
SB
A
A
A
A
SB
A
A
SB
A
SB
B
A
B
B
SB
SB
A
A
Odd Pond
Fun Pond
Ray Brook
Mud River
Star Lake
Mill PondLord Pond
Hill Pond
Drop Pond
Deer Lake
Post Cove
Lord CoveSouth Cove
North Cove
Ward Brook
Ward Brook
Mill Creek
Mack Creek
Lord Creek
Hurd Brook
Heft Brook
Deep River
Deep River
Deep Creek
Burr Brook
Urban Pond
Upper Pond
Upper Pond
Upper Pond
Upper Pond
Siegal Dam
Trout Pond
Small Pond
Scott Pond
Ryans Pond
Pefes Pond
Otter Pond
Lower Pond
Horse Pond
Gates Pond
Dolan Pond
Cedar Lake
Bushy Pond
Ayers Pond
Pratt Cove
Trout Brook
Simon Brook
Shady Brook
Rutty Creek
Plane Brook
Great Brook
Great Brook
Falls River
Falls River
Falls River
Dykas Brook
Clark Creek
Bushy Brook
Sunset Pond
Rogers Pond
Priess Pond
Parker Pond
Oblong Pond
Martin Pond
Little Pond
Lampes Pond
Kroopa Pond
Hidden Lake
Fricks Pond
Foster Pond
Deuces Pond
Deitch Pond
Bashan Lake
Coults Hole
Salmon Cove
Selden Cove
Middle Cove
Pond Meadow
Cedar Swamp
Cove Meadow
Wigwam Brook
Succor Brook
Selden Creek
Salmon River
Ponset Brook
Lampes Brook
Joshua Creek
Indian River
Indian River
Wrights Pond
Vincent Pond
Ellefson Dam
Trouble Pond
Tiffany Pond
Shailer Pond
Shailer Pond
Sawmill Pond
Rintoul Pond
Ortners Pond
Oktavec Pond
Morning Pond
Kellems Pond
Hedlund PondHackney Pond
Dogwood Pond
Chapman Pond
Olivers Hole
Hamburg Cove
Tiffany Brook
Roaring Brook
Roaring Brook
Hemlock Brook
Chester Creek
Turnpike Pond
Old Mill Pond
New York Pond
Keyboard Pond
Jennings Pond
J Leiber Pond
Ivoryton Pond
Griswold Pond
Griswold Pond
Dennison Pond
Comstock Pond
Boardman Pond
Oil Mill Brook
Kriegers BrookWill Cone Pond
Ward Brook Dam
River Road Dam
Schreeder Pond
Post Hill Pond
Middlesex Pond
Cranberry Pond
Birch Millpond
Bell Shop Pond
Whalebone Creek
Saltpeter Brook
Pattaconk Brook
Pattaconk Brook
Eightmile River
Eightmile River
Tower Hill Lake
State Shad Pond
Springdale Pond
Sportsmans Pond
Recreation Pond
Pratt Reed Pond
Klar Crest Pond
Grist Mill Pond
Bushy Hill Pond
Black Shop Pond
Waterhouse Brook
Viney Hill Brook
Tocus Hole Brook
Malt House Brook
Hungerford Brook
Bible Rock Brook
Wilcox Reservoir
Succor Brook Dam
Stevenstown Pond
Murray Pond No 3
Murray Pond No 2
Murray Pond No 1
Little City Pond
Johnson Millpond
Falls River Pond
Buckle Shop Pond
Turkey Hill Brook
Pond Meadow Brook
Deep Hollow Brook
Deep Hollow Brook
Dark Hollow Brook
Connecticut River
Connecticut River
Connecticut River
Connecticut River
Connecticut River
Connecticut River
Connecticut River
Upper Ingham Pond
Scovill Reservoir
Pequot Swamp Pond
Lyons Meadow Pond
Lower Ingham Pond
Joshua Creek Pond
Chester Reservoir
Roaring Brook No 2
Roaring Brook No 2
Pattaconk Dam No 3
Pattaconk Dam No 2
Pattaconk Dam No 4
Messerschmidt Pond
Higganum Reservoir
Dennison Road Pond
Swain Johnson Brook
Menunketesuck River
Beaver Meadow BrookWilliam Buckler Dam
Roads End Farm Pond
Pattaconk Reservoir
Hemlock Valley Brook
Whalebone Creek Pond
Great Brook Dam No 1
Timms Hill Road Pond
Roast Meat Hill Pond
Pratt Read Reservoir
Kelseytown Reservoir
Green Hill Road Brook
Candlewood Hill Brook
Turkey Hill Reservoir
Hammonasset Reservoir
Chatfield Hollow Brook
Obed Heights Reservoir
Killingworth Reservoir
Krieger Brook Pond WestKrieger Brook Pond East
Roaring Brook Fish & Gam Club Dam
ChesterAirport
GoodspeedAirport
Essex Elementary
Haddam Elementary
Deep River Elementary
Burr Elementary School
East Haddam Elementary
Killingworth Elementary
Haddam-Killingworth High
Chester Elementary School
Haddam-Killingworth Middle
Nathan Hale-Ray High School
John Winthrop Middle School
Valley Regional High School
State Hwy 9
Route 154
Route
148
State Hwy 154
Town St
State Hwy 148
State Hwy 81
Route
81
Saybrook Rd
Main St
State
Hwy 8
2
State Hwy 80
State Hwy 145
Middlesex Tpke
Filley
Rd
Killin
gwort
h Rd
Tater
Hill R
d
Route 1
53
Pea Hill Rd
Higga
num
Rd
Durham Rd
Chestnut Hill Rd
Green H
ill Rd
Ferry Rd
High St
Elm St
Plains Rd
I 95
Bokum Rd
Joshuatown Rd
Route 80
Route 82
Cow Hill Rd
State H
wy 153
State Hwy 149
Clinton Rd
Roas
t Mea
t Hill R
d
Little
City R
d
Pine Orchard Rd
Branford Rd
Clark Hill Rd
River Rd
Mount Parnassus RdParker Rd
Middlesex Ave
Mill Rd
Candlewood Hill Rd
Rese
rvoir R
d
Petticoat Ln
Tater Hill Road NO 1
Beave
r Mea
dow R
d
Turkey Hill Rd
Injun Hollow Rd
Cree
k Row
Smith Rd
Dogwood Knls
Peter
s Path
Chester Rd
Alger Rd
Parker Hill Rd
Old E
ly Rd
Toby Hill Rd
Ironworks Rd
Cedar Lake Rd
Pond Meadow Rd
Abner Ln
Old
Ceda
r Swa
mp Rd
Brush Hill Rd
Old Cart Rd
Pokorny
Rd
Essex
Rd
Haddam Moodus Rd
Norwich Salem Rd
Schnoor Rd
Burr Hill Rd
Pine Ledge Rd
Bushy Hill Rd
Creek Row Rd
Old County Rd
Stevenstown Rd
Hubbard Rd
Brainard Hill Rd
Book Hill Rd
Ruth Hill Rd
Union St
Hoop Po
le Hill R
d
Horse
Hill R
d
Westb
rook R
d
Goose Hill Rd
Newberry Rd
Route
145
Bogel Rd
Walkley Hill Rd
Old Po
nsett R
d
Gladwin Rd
Bashan Rd
Essex St
Jericho Rd
Jackson Rd
Burr Rd
Chitte
nden
Rd
Winth
rop R
d
Beckwith Rd
Schubert Rd
Daniel Peck Rd
Norwich Rd
Wickham Rd
Daniel Peck Ln
Killingworth Durham Rd
Warsaw St
Cove
Rd
Bridge St
Hidde
n Lak
e Rd
Mitchell Hill Rd
Iron Works Rd
Ingha
m Hil
l Rd
River St
Canal St
Water St
Honey Hill Rd
Board
man Rd
Ray Hill Rd
Straits Rd
Iona R
d
Lakeside Dr
Route
79
Ballahack Rd
Buck Rd
Lynn
Rd
Shee
pskin
Holl
ow R
d
Kelsey Hill Rd
Elys F
erry R
d
Spring St
Killingworth Tpke
JL H
ill Rd
State Forest Rd
Halls Rd
Horse Pond Rd
Warner Rd
Spruce Ledge Rd
Orchard Rd
Deep River Rd
Ranger Rd
Daniels Rd
Wig Hill Rd
Spencer Hill Rd
Florid
a Rd
Madison
Tpke
McTigh Rd
Joshu
a Ln
Jail Hill Rd
Tooley Rd
Maple St
Paper Mill Rd
Old M
ottlan
d Rd
Parker Hill Road Ext
Hedlund Rd
Gunger Hill Rd
Meeti
ng H
ouse
Rd
Haddam
Colches
ter Tpk
e
Walnut St
Book Hill Ln
Kelseytown Rd
Hayde
n Hill R
d
CH Hill Rd
PD Hill Rd
Champlin Rd
Sunset Acres Rd
Leesville Rd
Mares Hill Rd
Bone Mill Rd
Lovers Ln
Tantum
orantu
m Rd
Millington Rd
Chittenden Hill Rd
Ben Merrill Rd
Bridge Rd
A P Gates Rd
Hill Rd
West Ave
State Hwy 79
Cross Rd
Selden Rd
Bogue Ln
Wocl Rd
Dock Rd
Old Chester Rd
Stevens Rd
Kirtland S
t
Pond Hill Rd
Old Chester Road NO 2
Tower Hill Rd
Dickinson Rd
Bartman Rd
Dennison Rd
Clark Rd
Bethk
e Rd
Beebe Rd
Silver Spring Dr
Mitchel Ter
Kira Ln
Wiese Albert Rd
Schulman Veslak Rd
Hemlock Dr
Sims Rd
Jacob
y Rd
Ebon
y Ln
Naso
n Rd
Tinker Rd
Railroad Ave
Maple Ave
Carter Hill Rd
Fordh
am Rd
Churc
h Hill
Rd
Butter Jones Rd
Elys Ferry Road NO 1
Park Rd
Liberty St
Laurel R
idge Trl
Brault Hill Rd
Syph
er Rd
Depot Rd
Ayers
Point
Rd
Ayres Point Rd
Christian Hill R
d
Babcock Rd
Otter Cove Dr
Olde Orchard Rd
Melody Ln
Neptu
ne Av
e
Rattling Valley Rd
Sima Rd
Old T
own R
d
State Hwy 151
Shan
agha
ns R
d
Fairview Rd
Elsie Ln
Cove
Road
NO
1
Vienna Ln
Deer Ln
Pleasant St
4th
Silas Holmes Rd
Cold Spring Rd
Cream Pot Rd
Meadow Woods Rd
Firetower Rd
Mount Archer Rd
James Vincent Dr
Titus C
oan Rd
Spence
r Rd
Skun
k Mise
ry Rd
Creamery Rd
Bochim Rd
Malabar Dr
Land
ing H
ill Rd
Bar Gate Trl
Palmer Martin Rd
Silver Birch Ln
Spencer HlThayer Rd
Oriole Rd
Grote Rd
Winte
r Ave
Christina Ct
4WD Road
Camp Bethel Rd
Porges Rd
Deep Hollow Rd
Morris Hubbard RdMorris Rd
Sims L
n
Egypt Ln
Shore Dr
Kings Hwy
Beech Tree Rdg
Springbrook Rd
North Ave
Timms Hill Rd
Sherwood Camp Rd
Qry Hill Rd
John
sonv
ille R
d
Hickory Ln
Long Hill Rd
Tinker
Ln
Bash
an La
ke S
hore
Dr
Juda Ln
Ridge Rd
Hull A
ve
Mal-A-Bar Dr
Witch Hazel Dr
Fox Hill Dr
Grove St
Oak Dr
Wolf Hollow Ln
Winds Dr
Pratt Rd
Ivy Rd
Pine Knls
Hemlock Ter
Hemlock Valley Rd
Obed Hts
Boston
Post Rd
Joe Williams Rd
Grape Vine Rd
US Hwy 1
Deer Run
Kenilworth Dr
Fawn Hill Rd
Pratt St
Woods St
R Ro
ad D
r
Quail Hill Rd
Circle
Dr
Birch Mill Trl
Weiss Rd
Wanda D
r
Cedar
Grove T
er
Hem St
Parkers Point Rd
Robin Ln
Ken Rose Ter
Carol Dr
Granite Hill Rd
Old Mine Rd
Boulder Trl
Lords Ln
Woods Rd
Arkay Dr
Foxboro
Rd
Beekman Pl
Brockw
ay Fe
rry Rd
Acorn Rd
Parr Rd
Desmond Rd
Fox Hill Rd
Michael Dr
Patrick Dr
Mitchell Rd
Laurel Rd
Town Farm Rd
Summitt St
Quarry Hill R
d
Farm Ln
Wrights Pond Rd
Oxbo
x Rd
Stanwoll Hill Rd
Timberlane Dr
Buell Hill Rd
Kings Ln
Brooks Ln
Barley Hill Rd
Hillside Dr
Barn Rd
School House Rd
Day Hill Rd
Falls R
iver D
r
Hung
erford
Rd
South Main St
Pinnacle Ln
Beckwith Ln
Homestead Dr
Russell Rd
Pepp
erbus
h Dr
Suns
et Te
r
Hilldale Trl
Bridlepath Trl
Foste
r Ln
Trolle
y Xing
Dish M
ill Rd
Denlar Dr
Indian Hill Rd
Lori Ln
Wigwam Rd
Caughlin Rd
Hills Rd
Mario Dr
Hillto
p Rd
Anthony Ln
Pine Lake Rd
Brush M
ill Trl
Pine Knoll Dr
Bamf
orth R
d
Wickford Pl
Benjamin Ln
Nedobity Rd
Timber Ln
Doane Rd
Kenne
y Ln
Fieldstone Dr
Keith
Cir
Blake St
Main St NO 1
Prosp
ect S
t
Eagle Ridge Dr
Laurel Grove Dr
Comstock Ave
Evergre
en St
Old Ke
ntwoo
d Rd
Read St
Nosal
Rd
Robbie Rd
Green Acres Rd
Laurel Grove Rd
4th Ave
Ext
Mill Farms Rd
Diamond
Rd
Lobb Ln
Pepperidge Trl
Lilac Ln
Forest Ridge Rd
Old Depot
Rd
River Ln
High Field Ln
Pritchett Dr
Hillside Ter
Earl St
Henry Ln
Cedar Meadow Rd
Southwinds Rd
Windsor Ct
Great Meadow Rd
Ivory
St
Fawn Brook Cir
Blueberry Hill Reserve
Laurel
Ln
Miner Dr
Haddam Meadows Rd
Sunrise
Ave
Cherry Hl Geer Hill R
d
Jacob Ln
1st Ave
Carriage Ln
Bailey Rd
Ely Ln
Oak R
dg
Scenic View Dr
Turns
tone R
d
Highland Ter
Cow Pen Hill Rd
Fritz
Rd
Riverview Ave
Houperts Way
Windsor Ln
Colonial Dr
Boulder Dr
Old Town St NO 2
Maple Hl
Mikes Ter
Donald Rd
Sunset Ave
Joseph Cir
Swam
p Ledg
e Rd
Chittenden Ln
Laurel St
Dway
ne Rd
Barberry Ln
Willia
msbu
rg Rd
Lynne Rd
L Hom
medieu
Rd
Meadow Lark Ln
Hood Ln
Swan Lake Trl
Acorn Dr
Woodland Dr
Madison Holw
Lafata Ln
Bishop Rd
Ridgebury Rd
Cedar Dr
Fawn Trl
Hayw
ardvill
e Rd
Tamarac
Dr
Old Dobbin Ln
Dogwood Dr
Navy Ln
Thornewood Rd
Janes Ln
Squaw
Brk
Sylvan Ter
Beav
er Da
m Rd
Matthews Dr
Jenifer Ln
Pinewood Trl
Rutty Ln
Edgewood Dr
Cedar St
Harden Rd
Break Neck Hill Rd
Birch Hill Rd
Fordham Trl
Scovil Rd
Watro
us Po
int R
d
Crose R
d
Lower Rd
Stanford Hill Rd
Fay D
r
Hillto
p Ave
Winthrop Hill Rd
Dairy Hill Rd
4th Ave
Shailer Pond Rd
Wild Apple Ln
Horto
n Rd
Birch Mill Rd
Woodmont Cir
Monk Rd
Rachel Ct
Doanne Rd
Dump Rd
Rackett Ln
Chord Ln
Deer Ridge RdRebecca Ln
Hudson Ln
Linnea Ln
Old Fi
eld Dr
Heritage Cir
Olson Pl
Clarkson Ln
Whittlesey Brook Rd
Gilbert Hill Rd
Grandview Ter
Grouse Ln
Nott L
n
Glen G
rove R
d
Spring Hl
Riverview St
Harbor Vw
Green Meadow Dr
Case Cir
Fox R
un Ln
Station H
ill Rd
Ellen Ln
2nd Ave
Ortner Dr
Industrial Park Rd
Oakledge Dr
Carls
on Ln
Townwoods Rd
Old Orchard Rd
Casne
r Rd
Christina Ln
Hazen St
Saddlebrook Dr
Hopper Rd
Evans LnEver
ett Ln
Lookout Hl
Forest Glen Rd
St Peters Ln
White Oak Dr
Marian Ln
Rutty Ferry Rd
Country Walk
Valley
Ridge D
r
Chatfield Ridge Rd
Stony
Brook D
r
Mallard Dr
Algonquin Trl
Bushnell St
Cliff Dr
Brookline Ave
Maple Leaf Dr
Arko
na D
r
St Johns School
Windermere Way
Castle View Dr
Taylor Ridge Rd
Hilltop Dr
Melody Rdg
Lumberyard Rd
Kirtland Ter
Pytlik Rd
R Rd
Laurel Way
Foxg
love C
ir
Pattaconk Rd
Rachel Ln
Ridge
Driv
e NO
1
Conklin Ave
Esico Ln
Banning Rd
Old Highway Rd
Sugar Hill Rd
Oak Ridge Dr
Mary Ln
Nove
mber
Trl
Harvest
Woods L
n
Chester Vlg
Overlook Dr
Whittemore Pl
Hemlock Hill Rd
Essex Plz
Hunters Trl
Willo
w Wa
y
Morgan's Way
Oak L
n
Edgewood Ave
Scoville Landing Rd
Trolley
Ln
Josie Perkins Ln
Old Chester Road NO 1
Belmont Ave
Laurel Wood Dr
Nature Trl
Skinn
er Rd
Surrey Ridge Rd
Sepunnomo Ln
Island View Ter
Shea
gren H
l
Collins
Ln
Twin Oaks
Horse Shoe Dr
Mitchell Ln
Cook
s Ln
Grace Ln
Benson Ln
PD Lily Rd
Rosemary Ln
Country Squire Dr
Crabapple Cors
South Incarnation Rd
Lake Ave
Salt Marsh Pt
Tower Hill Lake Rd
Devonshire Ln
Bridg
e Ln
Book
Hill W
oods
Rd
Roberts Rd
Dudley Towne Rd
Princess Pine Ln
Mallard Point Rd
Grou
se Ct
Fox H
opya
rd Rd
Long Hill Road Ext
Chen
ey St
Robin Ridge Dr
Bitters
weet Ln
Fox Run Rd
Dudle
y Clark
Rd
Smith
Hill R
d
Kristen Way
Soobitsky Rd
River
Bluff R
d
Pine O
rchard
Ln
Calliari Pl
Anch
orage
Ln
Gorham Rd
Nelson Pl
Nutmeg
Cir
Old Bedford Farm Rd
Daffodil Hill Rd
Rosenblad Dr
Town Clerk Ln
Watrous Ln
Esse
x Ct
Buck
ingha
m Rd
Dogwood Knoll Rd
Sleu R
d
Wood
bury
Dr
Short
Rd
Brookside Ln
Huckleberry Dr
School Rd
Chester - Hadlyme
Sunset Farm Rd
Ledge Rd
Schoolhouse Ln
Stonegate Cir
Spinnaker Ln
Highrock Morg
an Ln
Snyde
r Rd
Terra
Ln
Bundy Hl
Squire Ln
Mitchel Cir
Clark Rd
Route 81
Hemlock Ter
Brockway
Ferry R
d
Qry Hill Rd
Maple
Ave
Hemlock Dr
Ferry Rd
Pratt St
Fox H
ill Rd
River Rd
Parker Hill Rd
Parr R
d
Cove
Rd
Park Rd
Pond Meadow Rd
Route 81
Ranger Rd
Brooks Ln
Westbro
ok Rd
State Hwy 9
Bridge Ln
Honey Hill Rd
Winthrop Rd
Oak R
idge D
r
Grove St
Hemlock Dr
Main St
High S
t
Hickory Ln
Dish M
ill Rd
Green Acres Rd
Acorn Dr
Mill Rd
Little City Rd
Ferry Rd
Cedar Lake Rd
Kelseytown Rd
Liberty St
High St
Winthrop Rd
Mill R
d
Cross Rd
Grape Vine Rd
River Rd
Spring St
Hickory Ln
Essex Rd
Route
82
Main St
Ridge Rd
State Hwy 151
Towe
r Hill R
d
Main St
High S
t
Plains
Rd
Deep River RdHemlock Valley Rd
Plains Rd
Cove
Rd
Saybrook Rd
Wig Hill Rd
Maple Ave
Old County Rd
Dennison Rd
Maple Ave
Ridge Rd
Bridge Rd
Reservoir Rd
Day Hill Rd
Reservoir Rd
Bokum Rd
Plains
Rd
I 95
Old County Rd
Main St
Exit 6
Exit 5
Exit 7
Exit 2
Exit 3
Exit 9
Exit 8
Exit 4
Exit 69
Exit 68
Exit 8
Exit 2
Exit 69
Exit 7
Exit 5
Exit 6
Exit 3
§̈¦95
£¤1
SV9
SV80
SV148
SV82
SV81
SV153
SV145
SV154
SV79
SV151
SV149
SV80
SV151
SV9
SV148
MAP LOCATION
ChesterChester
W ATER Q UALITY CLAS S IFICATIONSCHES TER , CT
SCALE 1:24,000 (1 inch = 2000 feet) when map 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
Thames R iver, Pawcatuck R iver and Southeast CoastalBasins: December 1986
Connecticut R iver and South Central Coastal Basins:February 1993
Housatonic R iver, Hudson R iver and Southw est 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 Paw catuck2 Southeast Coast3 Thames4 Connecticut5 South Central Coast6 Housatonic7 Southw est Coast8 Hudson
£
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 w ith S refer to Coastal and Marine S urface W ater.B* is a subset of Class B where no direct w astew ater discharges are allow ed other than thoseconsistent with Class AA, A and SA surface w aters.
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 elements 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 cleanw ater 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 many areas, forexample decisions on acceptable discharges to water resources,siting of landfills, remediation or prioritization of municipalsew erage system projects. The first two elements of the W Q S arethe S tandards, which set an overall policy for management of waterquality, and the Criteria, which are descriptive and numericalstandards that describe the allowable parameters and goals forvarious water quality classifications. A discussion of these twoelements is found in the W ater Q uality S tandards documentavailable on the CT DEEP website. The third element is theClassifications and the W ater Q uality Classification Maps whichshow the Classification assigned to each surface and groundw aterresource throughout the S tate. The W Q S are adopted using a publicparticipation process. The W Q C maps 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 must be review ed 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 major drainage basin are:Housatonic R iver, Hudson R iver and Southw est Coastal Basins -March 1999; Connecticut R iver and South Central Coastal Basins -February 1993; Thames R iver, Pawcatuck R iver and SoutheastCoastal Basins - December 1986. S urface W ater Classifications donot change after the adoption date until the next major revision.Ground W ater Classifications may change after the adoption dateunder specific circumstances. The map may have more than oneW Q C adoption date because a town may be in more than onemajor drainage basin.SUR FACE W ATER S in Connecticut are divided into freshw aterclassified as AA, A, B or B* and saline waters classified as SA orSB. Class AA designated uses are existing or proposed drink ingw ater 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 andw ildlife; potential drink ing water supplies; recreation; navigation;and water supply for industry and agriculture. Class SA designateduses are habitat for marine fish, other aquatic life and wildlife;shellfish harvesting for direct human 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 marine fish and aquaticlife and wildlife; commercial 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 groundw ater areas are assumed Class A or Class SA unless otherwiseindicated. S urface waters in GAA ground water areas are assumedClass AA unless otherwise indicated.On the W Q C map 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 w ater suitable for drink ing without treatment andbaseflow for hydraulically-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 assumed to be Class GAA unless otherwiseclassified. Class GA designated uses are existing private andpotential public or private supplies of water suitable for drink ingw ithout treatment and baseflow for hydraulically-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 forhydraulically-connected water bodies and is presumed not suitablefor human consumption without treatment. Class GC designateduses are assimilation of discharges authorized by theCommissioner pursuant to S ection 22a-430 of the General S tatutes.On the W Q C map 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 may notbe meeting the GA or GAA standards are represented on the W Q Cmaps by tan colored land areas. Class GB is represented by greencolored land areas. Class GC is represented by magenta coloredland areas.FINAL AQ UIFER PR OTECTION AR EAS (Level A) are includedon the W Q C maps for informational purposes. These areas areanticipated to be reclassified GAA during the next major basinupdates, subject to public participation. The Aquifer ProtectionProgram helps protect Connecticut’s public drink ing waterresources by delineating aquifer protection areas (also calledw ellhead 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 map are based on information 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 map legend above reflects the content ofthese three data sources. These W Q C data were initially compiledon 1:24,000-scale 7.5 minute USGS topographic quadrangle mapsand 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, streams, reservoirs,lak es, ponds and coves found in 1:24,000-scale hydrography dataavailable from CT DEEP. The hydrography may not include all thew aterbodies in Connecticut. The Ground W ater Q ualityClassifications Poly data assigns ground water qualityclassifications, at 1:24,000 scale, to the remaining land areas inConnecticut.AQ UIFER PR OTECTION AR EA DATA – Aquifer ProtectionAreas shown on this map 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 (Preliminary). The Level B areas are not shown onthe W Q C maps. The data was collected from 1991 to the presentand is actively updated as Final area mapping replaces earlierPreliminary areas. The Aquifer Protection Areas are delineated by
the individual water companies owning the well fields andsubmitted to the CT DEEP for approval. Preliminary mappingprovides a general estimate of the area contributing ground waterto the well field. Final mapping is based on extensive, site-specific,detailed modeling of the ground water flow system. CT DEEP mayadjust Final area boundaries to be consistent with 1:24,000 scaletopography and base map data where appropriate during theapproval process.MAJOR DR AINAGE BASIN DATA – Major drainage basinsshown on this map 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 minute topographic quadrangle maps published betw een1969 and 1992. It includes political boundaries, railroads, airports,hydrography, geographic names and geographic places. S treets andstreet names are from Tele Atlas® copyrighted data. Base mapinformation is neither current nor complete.R ELATED INFOR MATIONThis map is intended to be printed at its original dimensions inorder to maintain the 1:24,000 scale (1 inch = 2000 feet).W ATER Q UALITY S TANDAR DS - Go to the CT DEEP websitefor a summary and the full text of the “W ater Q uality S tandards”and for other information on water quality.AQ UIFER PR OTECTION AR EAS - Go to the CT DEEP websitefor more information.
Map created by CT DEEPOctober 2018Map is not colorfast
Protect from light and moisture