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A S H FO R D EA S T FO R D
U N IO N
W ILLIN G T O N
M A N S FIELD
W O O D S T O CK
S T A FFO R D
CH A P LIN H A M P T O N
P O M FR E T
T O LLA N D
AA
AA
AA AA
AA
AA
AA
AA
AA
AA
AA
AAAA
B
Storrs
Westford
Hydeville
Mount Hope
Warrenville
West Ashford
Phoenixville
Wormwood Hill
West Woodstock
Willington Hill
Woodstock Valley
Mansfield Four Corners
Sky Hill
Snow Hill
Coye Hill
Lyon Hill
Bald Hill
Pork Hill
Buell Hill
Perry Hill
Aplin Hill
Horse Hill
Grass Hill
Turkey Hill
Summer Hill
Vinton Hill
Bungee Hill
Pisgah Hill
Wenberg Hill
Pumpkin Hill
Village Hill
Spooner Hill
Brackett Hill
Rockwell Hill
Wormwood Hill
Holt Mountain
Boston Hollow
Stallion Hill
Knowlton Hill
Chandler Hill
Westford Hill
Hedgehog Hill
Threemile Hill
Lead Mine Hill
Parker Mountain
Walker Mountain
Jimmy Ledges
AA
AB
AA
A
AA
A
AA
AA
AA
AA
A
AA
AA
AA
AA
AA
AA
A
AA
AA
AA
AA
AA
AA
AA
AA
A
Budd Dam
Res No 3
Res No 2
Res No 1
Odd Pond
New Pond
Eno Brook
Upton Dam
Swan Lake
Sabo Pond
Ruby Lake
Lost Pond
Goss Pond
Bald Pond
Urda Brook
Ruby Brook
Reed Brook
Read Brook
Lyon Brook
Gulf Brook
Goss Brook
Cold Brook
Buck Brook
Varga Pond
Upton Pond
Upson Lake
Upper Pond
Fuller Dam
Rittek Dam
Reeds Pond
Poole Pond
Paine Pond
Neber Pond
Myers Pond
Morey Pond
Lipps Pond
Keach Pond
Halls Pond
Farra Pond
Black Pond
Still River
Still River
Still River
Mason Brook
Lowry BrookLipps Brook
Lewis Brook
Keene Brook
Hanks Brook
Halls Brook
Frink Brook
Crann Brook
Crane Brook
Buell Brook
Zaicek Pond
Walker Pond
Reulter Dam
Drobney Dam
Halchek Dam
Taylor Pond
Sustek Pond
Sparks Pond
Smiths Pond
Moritz Pond
Mirror Lake
Lowrys Pond
Lowrys Pond
Lake Bungee
Klecak Pond
Kinney Pond
Kalbac Pond
Hiscox Pond
Harmon Pond
Gaines Pond
Foster Pond Forest Pond
Cresys Pond
Browns Pond
Cedar Swamp
Maple Swamp
Cedar Swamp
Zaicek Brook
Wright Brook
Warren BrookWalker Brook
Stones Brook
Stiles Brook
Sibley Brook
Norton Brook
Nelson Brook
Moritz Brook
Kidder Brook
Kalbac Brook
Hockla Brook
Grants Brook
Fuller Brook
Fenton River
Fenton River
Fenton River
Fenton River
Curtis Brook
Conant Brook
Conant Brook
Conant Brook
Bungee Brook
Bungee Brook
Bundys Brook
Brandy Brook
Branch Brook
Basset Brook
Vonasek Pond
Stowell Pond
Pinneys Pond
Pelican Pond
Parizek Pond
Nipmuck Pond
Leander Pond
Larners Pond
Lake Chaffee
Hubbard Pond
Hocklas Pond
Hansens Pond
Drobney Pond
Darling Pond
Crystal Pond
Ashford Lake
Arnold Ponds
Catden Swamp
Whitman Brook
Slovik Branch
Skinner Brook
Safford Brook
Roberts Brook
Roaring Brook
Roaring Brook
Roaring Brook
Hampton Brook
Hammond Brook
Goodwin Brook
Georges Brook
Gardner Brook
Fishers Brook
Bigelow Brook
Bigelow Brook
Bigelow Brook
River Run Dam
Pilchers Pond
Lake Leakalot
Kravanec Pond
Knowlton Pond
Eldridge Pond
Deversky Pond
Cushmans Pond
Armitage Pond
Sessions Brook
Scranton Brook
Natchaug River
Natchaug River
Knowlton Brook
Johnsons Brook
Elliotts Brook
Eldridge Brook
Cemetery Brook
Bradford Brook
Bosworth Brook
Aqua Swamp Dam
Riverside Pond
Pork Hill Pond
Petrowich Pond
Parizek F Pond
Kovaleski Pond
Harakleys Pond
Dickinson Pond
Dickerson Pond
Stoughton Brook
Lost Pond Brook
Lead Mine Brook
Herridean Brook
Beaverdam Brook
Bald Hill Brook
Wochomurka Pond
Wasilewski Pond
Spauldings Pond
Morse Reservoir
McLaughlin Pond
Lewis Pond No 3
Lewis Pond No 2
Lewis Pond No 1
Hanks Hill Pond
Stonehouse Brook
Silvermine Brook
Mount Hope River
Mount Hope River
Mount Hope River
Indian Hut Brook
Eagleville Brook
Black Pond Brook
Bebbington Brook
Warrenville Pond
Upper Colts Pond
Swamp Brook Pond
Sharps Mill Pond
Romananskay Pond
Masons Mill PondLower Colts Pond
Lily Bridge Pond
Kenyonville Pond
Eddies Pond No 1
Chamberlain Pond
Cedar Swamp Pond
Bujack Road Pond
Bissonnette Pond
Tinkerville Brook
South Chism Brook
North Chism Brook
Cedar Swamp Brook
Cedar Swamp Brook
Cedar Swamp Brook
Bush Meadow Brook
Vintons Mill Pond
Westford No 1 Dam
Westford No 2 Dam
Stones Brook Pond
Parizek Pond No 3
Parizek Pond No 2
Morse Meadow Pond
Little River Pond
Kidder Pond Upper
Kidder Pond Lower
Hampton Reservoir
Black Spruce Pond
Armitage N. Ponds
Squaw Hollow Brook
Havens Ledge Brook
Darling Pond Brook
Crystal Pond Brook
Witches Woods Lake
Richard Brown Pond
Lake Leakalot More
Stickney Hill Brook
North Ashford Brook
Knowlton Pond Brook
Chickery Hill Brook
Tatem Handle Co Pond
Edwin Way Teale Pond
Redhead Meadows Brook
Upper Wasilewski Pond
John Wittenzellner Dam
Phoenixville Park Ponds
West Branch Little River
Boston Hollow Road Brook
North Branch Slovik Brook
East Branch Stonehouse Brook
East Branch Mount Hope River
Upper Storrs Pumping Station Pond
Lower Storrs Pumping Station Pond
ToutantAirport
Westford AirstripAirport
Center School
Ashford School
Eastford Elementary
Union Elementary School
Edwin O Smith High School
Dorothy Goodwin Elementary School
University of Connecticut
I 84
US Hwy 44
State Hwy 89
Buckley Hwy
Hartford Providence Tpke
Wilbur C
ross H
wy
State Hwy 198
State Hwy 190
Route
198
State Hwy 74
State Hwy 320
State Hwy 171
Ruby
Rd
Turnpike Rd
State Hwy 197
Tolland Tpke
Westford Rd
Faye
tte Rd
Perrin
Rd
Route 197
Pump
kin H
ill Rd
Chap
lin Rd
Storrs Rd
Bigelow Hollow Rd
Middle Tpke
East
StVil
lage H
ill Rd
Route 171
Dalev
ille R
d
Staffo
rd St
Union Rd
Nott Hwy
Ference Rd
Zaice
k Rd
State Hwy 195
Koze
y Rd
Fitts Rd
Route
97
Centre Pike
Ashfo
rd Rd
Lipps
Rd
Pilcher
s Rd
Keny
on R
d
Black Pond Rd
Kings
bury
Rd
Wormwood Hill Rd
Willin
gton H
ill Rd
Pilfershire Rd
Water
fall R
d
Pomf
ret R
d
Route 1
9
Mason Rd
Ashford Pike
Zlotnick Rd
Woodland Rd
Child Rd
Bebb
ington
Rd
River St
Curtis
Rd
Collette Rd
Phoe
nixvill
e Rd
Tinkerville Rd
Center Tpke
Moos
e Mea
dow
Rd
Warrenville Rd
Bradway Rd
Crystal Pond Rd
Fireto
wer R
d
Perry Hill Rd
Chism Rd
Somers Tpke
Seckar R
d
River
Rd
Fento
n Rd
Station Rd
Boston Tpke
Staffo
rd St
NO 2
Mans
field
Rd
Balaz
s Rd
Tower Hill Rd
South Rd
State Hwy 244
Luchon Rd
Fire T
ower
Rd
Lohse Rd
Ashford Center Rd
State H
wy 97
Eastf
ord RdCran
n Rd
Old Turnpike Rd
Jared
Spark
s Rd
Westford Hill Rd
Barber Rd
Chatey Rd
Paine
Rd
James
Rd
Sustek Rd
RFD Rd
Webster RdState Hwy 19
Kozy
Corn
er Rd
Art RdBaricak Rd
Mosley
Rd
Nagy Rd
Bujak Rd
Old County
Rd
Varga Rd
Hillside Rd
Squaw Hollow Rd
Schofield Rd
Spak Rd
Moon Rd
Birch Rd
Brickyard Rd
Old Turnpike
Krapf
Rd
Eagleville Rd
Mihaliak Rd
Griffin Rd
Bosto
n Hollo
w Rd
Barlo
w Ce
meter
y Rd
Mirtl Rd
Crooked S Rd
Pillau Rd
Bungay Hill Rd
Wright Rd
Slade Rd
Axe F
actory
Rd
Mich
elec R
d
Town H
all Rd
Stetso
n RdF
ay R
d
Snow
Hill Rd
Old Colony Rd
Dog Ln
Kenn
erson
Rd
Barrows Rd
Gurleyville Rd
Kinney Hollow Rd
Upton Rd
Mount Hope Rd
Old Farms Rd
Reed Rd
Count
y Rd
Codfish Falls Rd
Morey Rd
Polst
er Rd
Trask
Rd
State
Hwy 3
2
Bonemill Rd
Scran
ton R
d
Kucko
Rd
Tutko
Rd
Lustig Rd
Pole
Bridg
e Rd
Patten Rd
Patton Rd
Hartford Tpke
Oakes Rd
Cisar Rd
Bone Mill Rd
Fronta
ge Rd
North Rd
Laurel Ln
Eldredge Rd
Red White School Rd
Single
ton R
d
Vlge H
ill Rd
Latham Rd
Nutmeg Ln
Stickney Hill Rd
Bungee Brook Rd
Middle Rd
Rindge Rd
Elliot R
d
Mill B
ridge
Rd
Old Town Rd
Knowlton Hill Rd
Y Rd
Armi
tage R
d
Conat Brk
Weeks Rd
Amidon Rd
Navratil Rd
Laurel Rd
Marsh Rd
Hawk
ins R
d
Chaffeeville Rd
Estabrooks Rd
Gagne Rd
Clint
Eldred
ge R
d
Old Br
own R
d
Levering Rd
Yetter Hill Rd
Hopkins Rd
Chechovic Rd
Pinney Hill Rd
Hall R
d
Bosto
n Hollo
w Road NO 1
Kollar
Rd
Hunting Lodge Rd
Timber Ln
Pilfershire St
Taylor
Rd
Lawson Rd
Hydeville Rd
Staffo
rdville
Rd
Hanks H
ill Rd
Hanes Hill Rd
Moulton Rd
Cowles Rd
Barlow Mill Rd
Marcy Rd
Sherm
an R
d
Parke
r Rd
Baxter Rd
Lyon Rd
Common
Rd
Burma Rd
Bear Hill Rd
Baker
Rd
Sumner Hill Rd
Route 44
Hnath
Rd
Camp Rd
Bigelo
w Rd
Ferm
ier Rd
Fede
ral R
d
Rockwell Rd
Cemetary Rd
Cemetery Rd
Laurel
Hill Dr
Harakaly Rd
Colts Pond
Rd
Anderson Rd
Horse Hill Rd
Summit Rd
Blahusiak Rd
Cedar Swamp Rd
Cosgrove Rd
Kennerson Reservoir Rd
Pompey Hollow Rd
Bebbington Ln
Howard Rd
Rosyer Rd
East Hill Rd
Ravine Rd
Seles Rd
Wildwood Rd
Stickney Rd
Molnar Rd
Cushman Rd
Button Shop Rd
Grant Rd
Lakeside Dr
Brad
ford C
orner
Rd
Leonard Rd
Upper R
d
Ellise Rd
Bundy Ln
Daleville School Rd
Carion Rd
Hunting Lodge Road NO 1
Oak Dr
Goodell Rd
Brockway Rd
Stadium Rd
Abington Rd
Bicknell Rd
Buchner Rd
Rocky H
ill Rd
Fish Point Rd
Old Kings Way
Corbin Rd
John Perry Rd
Utley Rd
Hall Hill Rd
Supina Rd
Willington Rd
Main St
Stone
mill R
d
Crooked Trl
Floetin
g Rd
Lakeview Dr
Separatist Rd
Swed
etown
Rd
Lake
Rd
Liska Rd
Ashley Ln
Andrews Rd
Wood
land D
r
Alumni DrNo
llet Rd
Lucerne Dr
Eldredge Mills Rd
Bolton Rd
Stafford Street Ext
Furnace Hollow Rd
Technology Pkwy
Laure
l Dr
Route 244
Krivanec Rd
Pond Rd
Windy Hill Rd
Indian
Spri
ng R
d
Reich Rd
Chase Hill Rd
Charles Ln
New Hill Rd
Petz
Rd
French Rd
Farre
ll Rd
Kenyonville Rd
Kidder Brook Rd
Ragged Hill Rd
Westford Ave
Squir
e Rd
Ashfo
rd La
ke D
r
Lohse Road Ext
Southworth Dr
Bolduc Ln
Bolduk Ln
Beave
r Dam
Rd
Nipmu
ck R
d
Dewing School Rd
Bald
Hill R
d
Lorraine Dr
Doratzak Rd
Hillcrest Dr
Church Rd
St Moritz Cir
Timber Dr
Hancock Rd
Town Line Rd
Philip Dr
Stone House Rd
Busse Rd
Horse Barn Hill Rd
Szych Rd
Mead
ow Ln
Barba
ra Ln
Camp
Yank
ee R
d
General
Lyon R
d
Lawrence Cushman Rd
Keen
e Br
Lake Dr
Spring Hill Rd
Potte
r Hill R
d
Ange
la Ln
Fox Run
Center Rd
Iron Mine Ln
Walker Dr
Ashford Dr
Lisa Ln
Kimball Hill Rd
Westford Dr
Old River Rd
Karosi Rd
Gilbert R
d
Farm Dr
Glenbroo
k Rd
Northwood Rd
Lindse
y Ln
Burt Latham Rd
Packa
rd Rd
g
Union Dr
Forest Rd
Pomp
ey R
d
Old C
emete
ry Rd
Marco Rd
Spicer Rd
Kechkes Rd
Tower Ct
Thomas Dr
Weaver Rd
Bidwell Rd
Dartmouth Rd
Clearv
iew Dr
Old Barrows Rd
Chaplin St
Providence Pike
Lead
Mine
Rd
Old Wood Rd
Holly Dr
Mihaliak Road Ext
Jeans Ct
Merril
l Rd
King Rd
McQuad
e Rd
Willowbrook Rd
Sand Hill Rd
Ahern Ln
Jean
's Ct
Buell Dr
Pinec
rest R
d
Old Eaton Rd
Campert Ln
Sprague Hill Rd
Davis Rd
Old S
awmi
ll Rd
Squir
rel H
ill Dr
Taylor
Trl
Cove Rd
Hilltop Dr
Westview Dr
Stonegate Dr
Graham Rd
Pease Rd
Whitney Rd
Maplewood Rd
Newfound Lake Rd
Herin
gdee
n Lnd
g
Birchwood Dr
Ridgewood Rd
Lachapelle Rd
Bigelow Holw
Ridge Cir
Shaw Rd
Hillsid
e Cir
Halls Pond Rd
Grange Dr
Circle Dr
Walker Ln
Silver Fls
Ravine Ln
Andert Dr
Miller Farms Rd
Marga
ret D
r
Ledoyt Rd
Courtyard Ln
Upton Ln
Amido
n Dr
Old Stone Way
Aplin Hill Rd
Williams Rd
Celeron Sq
Little Ln
Oakw
ood D
r
Dechand Rd
Yale Rd
Meadowood Rd
Windswept Dr
Kent Ct
Cava
naug
h Rd
Shore
Fron
t Dr
Skyvi
ew Ln
Cabbage Hill Rd
Oakridge Dr
Armi
tage C
t
Fifty Foot Rd
Janoski Rd
Heml
ock G
len Rd
Nipmuck State Frst
Auditorium Rd
4WD Road
Chen
ey M
ill Rd
Trans
fer S
tation
Rd
Rice Rd Bungee Hill Rd
Spinnaker Ln
River R
d
Harakaly Rd
Gurleyville Rd
Union
Rd
Ashford Rd
North Rd
Cowles Rd
Floetin
g Rd
Westford Rd
Camp Rd
Snow
Hill R
d
Hillside Rd
Storrs Rd
Scran
ton R
d
Old Turnpike Rd
Old Turnpike Rd
Old Co
lony R
d
Eastford Rd
Old Town Rd
Westford Rd
Crystal Pond Rd
Marcy Rd
Laurel Ln
Supina Rd
Good
ell Rd
Cemetery Rd
Potte
r Hill R
d
I 84
Boston Tpke
Cove Rd
Center Rd
Wilbur C
ross H
wy
Route
198
Pomfret Rd
Old Turnpike Rd
Exit 72
Exit 73
Exit 71
Exit 70
Exit 73
Exit 72
§̈¦84
£¤44
SV190
SV197
SV89
SV320
SV198
SV195
SV97
SV74
SV171
SV244
SV19
SV32
SV275
MAP LOCATION
AshfordAshford
W ATER Q UALITY CLAS S IFICATIONSASHFOR D, 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
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