1
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H ! n ! n B AA AA Lime Rock The Cedars Amenia Union West Cornwall Sharon Valley Cornwall Bridge Calhoun Corners Rugg Hill Red Rocks Buck Hill Dean Hill White Rock The Cobble Cream Hill Beebe Hill Silver Hill Quarry Hill Waller Hill Deming Hill The Hogback Cherry Hill Tarradiddle Dean Ravine Tan Fat Hill Red Mountain Gallows Hill Cream Hollow The Pinnacle Mount Easter Jennings Hill Bald Mountain Lookout Point Buck Mountain The Ballyhack Mine Mountain Whitcomb Hill The Ballyhack Mine Mountain Peck Mountain Green Mountain Music Mountain Skiff Mountain Hough Mountain Ellsworth Hill Forge Mountain Sharon Mountain Sharon Mountain Indian Mountain Bloody Mountain Cobble Mountain Dudleytown Hill Rattlesnake Hill Barrack Mountain Woodbury Mountain Housatonic Valley Coltsfoot Mountain Bread Loaf Mountain A B A B A B B B B B B B Gunn Dam Hare Dam Ivy Brook Smith Dam Lewis Dam Gross Dam Peck Pond Nash Pond Ford Pond Case Pond Reed Brook Reed Brook Reed Brook Mill Brook Mill Brook Jack Brook Gunn Brook Flat Brook Deep Brook Spruce Dam Mudge Pond Miles Pond Hatch Pond Clark Pond Blatz Pond Beebe Pond Bauer Pond Pine Swamp Bear Swamp Pine Swamp Stony Brook Hatch Brook Carse Brook Beebe Brook Adams Brook Calhoun Dam Buckley Dam Jordan Pond Indian Lake Hedden Pond Hamlin Pond Fuller Pond Childs Pond Valley Brook Tanner Brook Sucker Brook Spruce Brook Spring Brook Salmon Creek Salmon Creek Guinea Brook Bonney Brook Bloody Brook Wolzles Pond Wilford Pond Lorenzo Pond Lincoln Pond Lake Tavolan Israels Pond Hilltop Pond Hawkins Pond Gritman Pond Eastman Pond Bissels Pond Spruce Swamp Popple Swamp Preston Brook Millard Brook Heffers Brook Furnace Brook Baldwin Brook Scoville Pond Richards Pond Beeslick Pond Perkins Swamp Whitten Swamp Webatuck Creek Ore Hill Brook Birdseye Brook Beeslick Brook Livingston Dam Macedonia Brook Long Pond Brook Dudleytown Pond Cream Hill Lake Bog Meadow Pond Pine Swamp Brook North Kent Brook Mudge Pond Brook Kent Falls Brook Housatonic River Housatonic River Housatonic River Housatonic River Bog Meadow Brook Wononpakook Lake Cairns Reservoir Black Spruce Bog Indian Lake Creek Stony Batter Pond The Cranberry Bog White Hollow Brook Camp Freedman Pond Pond Mountain Brook Beardsley Reservoir Stewart Hollow Brook North Flanders Brook Beardsley Pond Brook Old Fordge Mill Pond Fuller Mountain Brook Cauklintown Reservoir West Branch Shepaug River West Branch Shepaug River Sharon Hospital Hotchkiss School Marvelwood School Sharon Center School Cornwall Consolidated Housatonic Valley Regional High US Hwy 7 Route 7 State Hwy 4 State Hwy 41 Town St Gay St East St Cornwall Bridge Rd Cornwall Rd State Hwy 112 Low Rd Lime Rock Rd Millerton Rd White Hollow Rd State Hwy 45 Woods Road 1 Cream Hill Rd Sharon Rd State Hwy 128 River Rd State Hwy 361 Modley Rd Woods Rd Keeler Rd College St Lambert Rd Flat Rocks Rd Bowne Rd Great Hollow Rd Herb Rd Amenia Union Rd Furnace Brook Rd Carter Rd Dugan Rd Westwood Road 2 Sharon Goshen Tpke Warren Hill Rd Main St Valley Rd West Woods Road 2 Wells Hill Rd Skiff Mountain Rd Dugway Rd Fairchild Rd Melius Rd Mudge Pond Rd Music Mountain Rd Gold Rd Liz Ln Dibble Hill Rd Montgomery St Route 63 Popple Swamp Rd Sharon Mountain Rd Amenia Rd Kent Rd Route 126 Johnson Rd Great Hill Rd Kent Cornwall Rd Morey Rd Knibloe Hill Rd Bog Meadow Rd Mount Easter Rd Indian Mountain Rd Butter Rd Calkinstown Rd Dug Rd Tichnor Rd Weber Rd Northrup Rd Warren Tpke Pierce Ln Whitcomb Hill Rd Ellsworth Rd Joray Rd State Hwy 63 Sharon Valley Rd Long Pond Rd Swaller Hill Rd State Hwy 126 Macedonia Brook Rd Brick School Rd Clay Beds Rd State Hwy 343 Interlaken Rd Race Track Rd Grange Hall Rd Hosier Rd State Hwy 125 Cogswell Rd Drum Rd Dolldorf Rd Jackson Rd Beebe Hill Rd South Rd Kings Hill Rd Lower Barrack Rd Chippewalla Rd Appalchian Rd Salmon Kill Rd Hall Rd Dudleytown Rd Brinton Hill Rd Wickwire Rd Caray Hill Rd Cole Rd Mitchelltown Rd Cherry Hill Rd Herrick Rd King Hill Rd Graham Rd Castle Rd Smith Hill Rd Lime Rock Sta Fuller Mountain Rd Scoville Rd Pine St Chester Rd Lake Rd Egglestown Rd Rattlesnake Rd Dawn Hill Rd Jewel St Cemetery Hill Rd Jewett Hill Rd City Rd Clark Rd Lower River Rd Sharon Canaan Rd Jackson Hill Rd Windy Ridge Rd North Kent NO 1 Rd Lovers Ln State Hwy 43 Loper Rd Mudgetown Rd Old Sharon Rd 2 Dunbar Rd Hilltop Rd Keith Rd Boland Rd Toumey Rd Cemetery Rd Red Horse Hl Amy Rd Cedar Rd Pine Swamp Rd Lilac Ln Silver Hill Rd Smith Rd Lilac Rd Kirk Rd Williams Rd Essex Hill Rd Wolfe Rd Lime Rock Station Rd Pasture Ln Clark Hill Rd Bald Mountain Rd Benton Hill Rd Everest Hill Rd Caroline Dr Todd Hill Rd Rexford Rd Westwood Rd Lucas Rd Cornwall Hollow Rd Ballyhack Rd Gavell Cabin Rd Douglas Rd Upper Ridge Rd Birch Ln Hunting Rdg Bunker Hill Rd West Woods Rd Deer Run Golf Dr Appalacian Rd Bell Rd Sharon Station Rd Kent NO 2 Rd Old Route 7 Wright Hill Rd Dakin Rd Prichard Rd Hooperfields Dr Diamond Rd Bolton Hill Rd Barn Rd Rolling Hills Dr Great Elm Rd Rhynus Rd Red Mountain Rd Interlaken Est Silver Lake Shore Rd Deer Rd Sharon Heights Rd Aspen Hill Dr Grandview Ln Stone Hill Rd Whitford Rd Pond Rd Alberta Rd Reverie Ln Bell Dr Stone House Rd Old Sharon Rd 3 Guinea Rd Yelping Hill Rd Still Meadow Rd Upper Main St Lower Deer Run Old Sharon Rd 1 Luta Hts Cobble Hill Rd Easy St Arnott Dr Poughkeepsie Rd Meadow Rd Crossfields Dr Hidden Ln Vanishing Brook Ln Hidden Mdw Town Hill Rd Stonehill Ln Golf Club Rd Ellsworth Woods Dr Mountain Rd Surdan Mountain Rd Furnace Rd Reed Brook Rd Swifts Bridge Rd Brook Rd Forge Ln Railroad St Wadsworth Rd Juniper Dr Barberry Hill Rd Kelly Dr Red Rock Rd Chapel St Highland Rd Mansonville Rd Lime Rock Park Upper Barrack Rd Stewart Hollow Rd Seneca Ln Greenwich Rd Whitcomb Way Hidden Meadow Dr Burlwood Ln Woodruff Ln Claudia Ln Hickory Ln Pinch of Rocks Rd Lime Rock Holw Downey Rd Murtagh Rd Sharon Ridge Rd Applewood Ln Woodland Cir Schieffelin Dr Town St Surdan Mountain Rd Cornwall Rd River Rd River Rd River Rd Yelping Hill Rd Valley Rd Great Hollow Rd Skiff Mountain Rd Kent Rd Clark Hill Rd £ ¤ 7 S V 4 S V 41 S V 361 S V 128 S V 125 S V 45 S V 126 S V 112 S V 343 S V 43 S V 63 Sharon Sharon 1 0 1 0.5 Miles 1 0 1 0.5 Kilometers 1000 0 1000 2000 3000 4000 5000 6000 7000 Feet ADOPTED DATES State Plane Coordinate System of 1983, Zone 3526 Lambert Conformal Conic Projection North American Datum of 1983 £ Final Aquifer Protection Area (Level A) Major Basin Boundary NOTES: GA (white background) GAA, GAAs GA, GAA may not meet current standards GB GC Area of Contribution to Public Supply Well A AA B, B* SA SB A AA B, B* SA SB

B WATER QUALITY CLASSIFICATIONS A SHARON, CTcteco.uconn.edu/maps/town/wtrqualcl/WtrQualCl_Sharon.pdf · S H A R O N C O R N W A L L K E N T S A L I S B U R Y C A N A A N W A R R E

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Page 1: B WATER QUALITY CLASSIFICATIONS A SHARON, CTcteco.uconn.edu/maps/town/wtrqualcl/WtrQualCl_Sharon.pdf · S H A R O N C O R N W A L L K E N T S A L I S B U R Y C A N A A N W A R R E

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S H A R O N

CO R N W A LL

K EN T

S A LIS B U R Y CA N A A N

W A R R EN

B

AA

AA

Lime RockThe Cedars

Amenia Union

West Cornwall

Sharon Valley

Cornwall Bridge

Calhoun Corners

Rugg Hill

Red Rocks

Buck Hill

Dean Hill

White Rock

The Cobble

Cream Hill

Beebe Hill

Silver Hill

Quarry Hill

Waller Hill

Deming Hill

The Hogback

Cherry Hill

Tarradiddle

Dean Ravine

Tan Fat Hill

Red Mountain

Gallows Hill

Cream Hollow

The Pinnacle

Mount Easter

Jennings Hill

Bald Mountain

Lookout Point

Buck Mountain The Ballyhack

Mine Mountain

Whitcomb Hill

The Ballyhack

Mine Mountain

Peck Mountain

Green Mountain

Music Mountain

Skiff Mountain

Hough Mountain

Ellsworth Hill

Forge Mountain

Sharon Mountain

Sharon Mountain

Indian Mountain

Bloody Mountain

Cobble Mountain

Dudleytown Hill

Rattlesnake Hill

Barrack Mountain

Woodbury Mountain

Housatonic Valley

Coltsfoot Mountain

Bread Loaf MountainA

B

A

B

A

B

B

B

B

B

B

B

Gunn Dam

Hare Dam

Ivy Brook

Smith Dam

Lewis Dam

Gross Dam

Peck Pond

Nash Pond

Ford Pond

Case Pond

Reed Brook

Reed Brook

Reed Brook

Mill Brook

Mill Brook

Jack Brook

Gunn Brook

Flat Brook

Deep BrookSpruce Dam

Mudge Pond

Miles Pond

Hatch Pond

Clark Pond

Blatz Pond

Beebe Pond

Bauer Pond

Pine Swamp

Bear Swamp

Pine Swamp

Stony Brook

Hatch Brook

Carse Brook

Beebe Brook

Adams Brook

Calhoun Dam

Buckley Dam

Jordan Pond

Indian Lake

Hedden Pond

Hamlin Pond

Fuller Pond

Childs Pond

Valley Brook

Tanner Brook

Sucker Brook

Spruce Brook

Spring Brook

Salmon Creek

Salmon Creek

Guinea Brook

Bonney Brook

Bloody Brook

Wolzles Pond

Wilford Pond

Lorenzo Pond

Lincoln Pond

Lake Tavolan

Israels Pond

Hilltop Pond

Hawkins Pond

Gritman Pond

Eastman Pond

Bissels Pond

Spruce Swamp

Popple Swamp

Preston Brook

Millard Brook

Heffers Brook

Furnace Brook

Baldwin Brook

Scoville Pond

Richards Pond

Beeslick Pond

Perkins Swamp

Whitten Swamp

Webatuck Creek

Ore Hill Brook

Birdseye Brook

Beeslick Brook

Livingston Dam

Macedonia Brook

Long Pond Brook

Dudleytown Pond

Cream Hill Lake

Bog Meadow Pond

Pine Swamp Brook

North Kent Brook

Mudge Pond Brook

Kent Falls Brook

Housatonic River

Housatonic River

Housatonic River

Housatonic River

Bog Meadow Brook

Wononpakook Lake

Cairns Reservoir

Black Spruce Bog

Indian Lake Creek

Stony Batter Pond

The Cranberry Bog

White Hollow Brook

Camp Freedman Pond

Pond Mountain Brook

Beardsley Reservoir

Stewart Hollow Brook

North Flanders Brook

Beardsley Pond Brook

Old Fordge Mill Pond

Fuller Mountain Brook

Cauklintown Reservoir

West Branch Shepaug River

West Branch Shepaug River

Sharon Hospital

Hotchkiss School

Marvelwood School

Sharon Center School

Cornwall Consolidated

Housatonic Valley Regional High

US Hwy 7

Route

7

State Hwy 4

State

Hwy 4

1

Town

St

Gay S

t

East St

Cornwall Bridge Rd

Cornwall Rd

State Hwy 112

Low Rd

Lime Rock Rd

Millerton Rd

White Hollow Rd

State Hwy 45

Wood

s Roa

d 1

Crea

m Hil

l Rd

Sharo

n Rd

State Hwy 128

River Rd

State Hwy 361

Modle

y Rd

Woods R

dKe

eler R

d

College St

Lambert Rd

Flat Rocks Rd

Bowne Rd

Great

Hollow

Rd

Herb Rd

Amen

ia Unio

n Rd

Furnace Brook Rd

Carter Rd

Dugan R

d

Westwood Road 2

Sharon Goshen Tpke

Warren Hill Rd

Main

St

Valley

Rd

West Wood

s Road

2

Wells Hill Rd

Skiff Mountain Rd

Dugway Rd

Fairchild Rd

Meliu

s Rd

Mudg

e Pon

d Rd

Music Mountain Rd

Gold R

d

Liz Ln

Dibble Hill Rd

Montg

omery

St

Route 63

Popp

le Sw

amp R

d

Sharon Mountain Rd

Amenia R

d

Kent Rd

Route 126

Johnson Rd

Grea

t Hill R

d

Kent C

ornwall

Rd

Morey

Rd

Knibloe Hill Rd

Bog M

eado

w Rd

Mount Easter Rd

Indian

Mou

ntain

Rd

Butter Rd

Calkinstown Rd

Dug Rd

Tichnor Rd

Weber RdNorthrup Rd

Warren Tpke

Pierce

Ln

Whitcomb Hill Rd

Ellsworth Rd

Joray

Rd

State Hwy 63

Sharo

n Valle

y Rd

Long Pond Rd

Swaller Hill Rd

State Hwy 126

Macedon

ia Broo

k Rd

Brick

Scho

ol Rd

Clay Beds Rd

State Hwy 343

Interlaken Rd

Race

Trac

k Rd

Grange Hall Rd

Hosier Rd

State Hwy 125

Cogswell Rd

Drum

Rd

Dolldorf Rd

Jackso

n Rd

Beebe Hill Rd

South Rd

Kings Hill Rd

Lowe

r Barr

ack R

d

Chippewalla RdAppalchian Rd

Salmon

Kill Rd

Hall Rd

Dudle

ytown

Rd

Brinton Hill Rd

Wickwire Rd

Caray Hill Rd

Cole Rd

Mitchelltown Rd

Cherry Hill Rd

Herrick Rd

King Hill Rd

Grah

am Rd

Castle Rd

Smith Hill Rd

Lime Rock Sta

Fulle

r Mou

ntain

Rd

Scoville Rd

Pine S

t

Chester Rd

Lake Rd

Egglestown Rd

Rattlesnake Rd

Dawn Hill Rd

Jewel St

Cemetery Hill Rd

Jewett Hill Rd

City Rd

Clark

Rd

Lower R

iver Rd

Sharo

n Can

aan R

d

Jackson Hill Rd

Windy Ridge Rd

North Kent NO 1 Rd

Lovers Ln

State

Hwy 4

3

Loper Rd

Mudgetown Rd

Old Sharon Rd 2

Dunbar Rd

Hillto

p Rd

Keith Rd

Boland Rd

Toumey Rd

Cemetery Rd

Red Horse Hl

Amy Rd

Ceda

r Rd

Pine Swamp Rd

Lilac Ln

Silve

r Hill R

d

Smith Rd

Lilac Rd

Kirk Rd

Willia

ms R

d

Essex Hill Rd

Wolfe Rd

Lime R

ock S

tation

Rd

Pasture Ln

Clark Hill Rd

Bald Moun

tain Rd

Benton Hill Rd

Everest Hill Rd

Caroline Dr

Todd

Hill R

d

Rexford Rd

Westwood Rd

Luca

s Rd

Cornw

all Ho

llow Rd

Ballyh

ack R

d

Gavell Cabin Rd

Doug

las Rd

Upper Ridge Rd

Birch Ln

Hunting Rdg

Bunker Hill Rd

West

Wood

s Rd

Deer

Run

Golf D

r

Appa

lacian

Rd

Bell Rd

Sharon Station Rd

Kent NO 2 Rd

Old R

oute

7

Wright Hill Rd

Dakin Rd

Prichard Rd

Hoop

erfield

s Dr

Diamo

nd Rd

Bolton Hill Rd

Barn Rd

Rolling Hills Dr

Great Elm Rd

Rhynus Rd

Red M

ountain

Rd

Interl

aken

Est

Silver

Lake

Shore

Rd

Deer Rd

Sharon

Heights

Rd

Aspen Hill Dr

Grandview Ln

Stone Hill Rd

Whitford Rd

Pond Rd

Alberta Rd

Reverie Ln

Bell Dr

Stone House Rd

Old S

haron

Rd 3

Guine

a Rd

Yelping Hill Rd

Still Meadow Rd

Uppe

r Main

St

Lowe

r Dee

r Run

Old Sharon Rd 1

Luta Hts

Cobb

le Hil

l Rd

Easy St

Arnott Dr

Poughkeepsie Rd

Meadow RdCros

sfield

s Dr

Hidden Ln

Vanishing Brook Ln

Hidden Mdw

Town H

ill Rd

Stonehill Ln

Golf Club Rd

Ellsworth

Woods D

r

Moun

tain R

d

Surdan Mountain Rd

Furna

ce Rd

Reed

Broo

k Rd

Swifts Bridge Rd

Brook Rd

Forge Ln

Railro

ad St

Wadsworth Rd

Junipe

r Dr

Barberry Hill Rd

Kelly Dr

Red Rock RdChapel St

Highla

nd Rd

Mansonville Rd

Lime Rock Park

Upper Barrack Rd

Stewart Hollow Rd

Seneca Ln

Greenwich Rd

Whitco

mb W

ay

Hidde

n Mea

dow

Dr

Burlwood Ln

Woodruff Ln

Claudia Ln

Hickory Ln

Pinch

of R

ocks

Rd

Lime Rock Holw

Downey Rd

Murtagh Rd

Sharon Ridge Rd

Applewood Ln

Woodland Cir

Schieffelin Dr

Town

St

Surdan Mountain Rd

Cornw

all R

d

River R

d

River

Rd

River Rd Yelping Hill Rd

Valle

y Rd

Great Hollow Rd

Skiff Mountain Rd

Kent R

d

Clark Hill Rd

£¤7

SV4

SV41

SV361

SV128

SV125

SV45

SV126

SV112

SV343

SV43

SV63

MAP LOCATION

SharonSharon

W ATER Q UALITY CLAS S IFICATIONSSHAR ON, 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