All Connecticut water systems
Every Connecticut community water system on Lead Pipe Map (178), A to Z, with its lead and galvanized line count. Open a system for its full inventory, lead tests and violations.
A
- Aquarion-Arlington Acres 148 unknown
- Aquarion-Ball Pond 208 unknown
- Aquarion-Berkshire 75 unknown
- Aquarion-Carmen Hill 12 unknown
- Aquarion-Clearview Hills 78 unknown
- Aquarion-Cornwall 7 lead/galv.
- Aquarion-Darien 110 lead/galv.
- Aquarion-Dean Heights 62 unknown
- Aquarion-East Derby 492 unknown
- Aquarion-East Hampton 46 unknown
- Aquarion-Eastern Fairfield County 4,271 lead/galv.
- Aquarion-Falls Village 106 unknown
- Aquarion-Fieldstone Ridge 16 unknown
- Aquarion-Forest Hills 67 unknown
- Aquarion-Greenwich 1,686 lead/galv.
- Aquarion-Hawkstone 51 unknown
- Aquarion-Hickory Hills 37 unknown
- Aquarion-Indian Fields 29 unknown
- Aquarion-Indian Spring 66 unknown
- Aquarion-Judea Depot 40 unknown
- Aquarion-Judea Main 3 lead/galv.
- Aquarion-Ken Oaks 49 unknown
- Aquarion-Kent 4 lead/galv.
- Aquarion-Lakeside 178 unknown
- Aquarion-Lebanon 57 unknown
- Aquarion-Litchfield Regional 33 lead/galv.
- Aquarion-Marlborough 140 unknown
- Aquarion-McKeon 7 unknown
- Aquarion-Meadowbrook 7 unknown
- Aquarion-Mystic 22 lead/galv.
- Aquarion-New Canaan 40 lead/galv.
- Aquarion-New Fairfield 69 unknown
- Aquarion-New Hartford 5 lead/galv.
- Aquarion-New Milford Regional 41 lead/galv.
- Aquarion-Newtown Regional 11 lead/galv.
- Aquarion-Norfolk 7 lead/galv.
- Aquarion-North Canaan 35 lead/galv.
- Aquarion-Oakwood Acres 91 unknown
- Aquarion-Park Glen 17 unknown
- Aquarion-Pearce Manor 1 unknown
- Aquarion-Plainville Regional 147 lead/galv.
- Aquarion-Pleasure Valley 129 unknown
- Aquarion-Possum Ridge 97 unknown
- Aquarion-Ridgefield 27 lead/galv.
- Aquarion-Ridgefield Knolls 223 unknown
- Aquarion-Salisbury 36 lead/galv.
- Aquarion-Scodon 75 unknown
- Aquarion-Simsbury Regional 21 lead/galv.
- Aquarion-Stamford 116 lead/galv.
- Aquarion-Suffield 240 unknown
- Aquarion-Timber Trails 3 lead/galv.
- Aquarion-Twin Oaks 53 unknown
- Aquarion-Tyler Lake 1 lead/galv.
- Aquarion-Valley 46 lead/galv.
- Aquarion-Valley View 26 unknown
- Aquarion-West Shore 24 unknown
- Aquarion-Woodbury 9 lead/galv.
- Aquarion-Woodrich Village 24 unknown
- Avon Water Co 4 lead/galv.
B
- Baxter Farms Community Water Assoc 2 lead/galv.
- Berlin Water Control Commission 450 unknown
- Bethel Water Dept 35 lead/galv.
- Bristol Water Department no lead
- Brunswick School (Lower & Lower Middle) 5 unknown
C
- Candlewood Orchards Property Owners Corp 31 unknown
- Candlewood Shores Tax District no lead
- Candlewood Springs Property Owners Assn 32 unknown
- Cedar Terrace Prop Owners Assn 6 unknown
- Colchester Commons 97 unknown
- Colchester Sewer & Water Commission 1,251 unknown
- Connecticut Correctional Institute no lead
- Connecticut Valley Hospital no lead
- Cromwell Fire District Water Department 2,002 unknown
- CTWC - Amston Lake Division 2 lead/galv.
- CTWC - Ashford Park Division 106 unknown
- CTWC - Bay Mountain 17 unknown
- CTWC - Birchwood Heights 5 unknown
- CTWC - Columbia Heights Div. 29 unknown
- CTWC - Coventry Hills Div 202 unknown
- CTWC - Crystal Springs Div. 39 unknown
- CTWC - Crystal System 93 lead/galv.
- CTWC - Gallup System 24 lead/galv.
- CTWC - Green Springs System 21 unknown
- CTWC - Hebron Center Division 7 unknown
- CTWC - Lebanon Elderly Div. 24 unknown
- CTWC - Legend Hill System 26 unknown
- CTWC - London Park Division 78 unknown
- CTWC - Naugatuck Reg-Collinsville Sys 7 lead/galv.
- CTWC - Naugatuck Reg-Terryville System 9 lead/galv.
- CTWC - Naugatuck Reg-Thomaston System 3 lead/galv.
- CTWC - Naugatuck Region-Central System 17 lead/galv.
- CTWC - Northern Reg - Lakewood/Lakeview 96 unknown
- CTWC - Northern Reg-Llynwood System 4 lead/galv.
- CTWC - Northern Reg-Nathan Hale System 29 unknown
- CTWC - Northern Reg-Reservoir Heights 12 unknown
- CTWC - Northern Reg-Western System 131 lead/galv.
- CTWC - Pinewoods Lane Div 18 unknown
- CTWC - Plainfield System 1 lead/galv.
- CTWC - Pompey Hollow Division 5 unknown
- CTWC - Ponemah Village 7 unknown
- CTWC - Riversedge Division 50 unknown
- CTWC - SDC Water 4 unknown
- CTWC - Shoreline Region-Chester System 83 lead/galv.
- CTWC - Shoreline Region-Guilford System 200 lead/galv.
- CTWC - Shoreline Region-Masons Island 120 unknown
- CTWC - Shoreline Region-Point O Woods 293 unknown
- CTWC - Shoreline Region-Sound View 2 lead/galv.
- CTWC - South Coventry System 10 lead/galv.
- CTWC - Thompson System 20 lead/galv.
- CTWC - Uconn Depot Div. 11 unknown
- CTWC - Uconn Hunting Lodge Div. 66 unknown
- CTWC - Uconn South Eagleville Div. 186 unknown
- CTWC - Uconn Willowbrook Div. 1 lead/galv.
- CTWC - Unionville System 9 lead/galv.
- CTWC - Wellswood Village Div 1 unknown
- CTWC - Westchester East 8 unknown
- CTWC - Westchester Village 70 unknown
D
- Danbury Water Department 1 lead/galv.
- Danbury Water Dept-Ridgeview Gardens 30 unknown
- Durham Center Division 77 unknown
E
- East Lyme Water & Sewer Commission 1,602 unknown
F
- Fairfield Hills no lead
G
- GQC Well Commission 3 unknown
- Groton Long Point Association 2 lead/galv.
- Groton Utilities 6 lead/galv.
H
- Hazardville Water Company 22 lead/galv.
- Heritage Water Company 2 lead/galv.
J
- Jewett City Water Company 13 lead/galv.
K
- Kensington Fire District no lead
- Knollcrest Tax District 1 lead/galv.
L
- Ledyard Wpca - Ledyard Center 647 unknown
- Ledyard Wpca, Gales Ferry System 683 unknown
M
- Manchester Water Department 388 lead/galv.
- Mashantucket Pequot Water System no lead
- Meriden Water Division 30 lead/galv.
- Metropolitan District Commission 43 lead/galv.
- Middletown Water Department 257 lead/galv.
- Mohegan Tribal Utility Authority no lead
- Montville Water Supply no lead
N
- New Britain Water Department 170 lead/galv.
- New London Dept. of Public Utilities 529 lead/galv.
- Noank Fire District 17 unknown
- Norwalk First Taxing District 195 lead/galv.
- Norwich Public Utilities 13 lead/galv.
P
- Portland Water Department 8 unknown
- Preston Plains Water Company 79 unknown
- Putnam Water Pollution Control Authority 176 lead/galv.
R
- Regional Water Authority 2,224 lead/galv.
S
- Salmon Brook District Water Dept 443 unknown
- Scwa, Mohegan Division no lead
- Scwa, Montville Division (MTV) no lead
- Scwa, North Stonington Division (NST) no lead
- Scwa, Tower-Ferry View Division no lead
- South Norwalk Electric & Water 54 lead/galv.
- Southbury Training School 4 unknown
- Southington Water Department 23 lead/galv.
- Sprague Water & Sewer Authority no lead
- Stafford Hollow Water Association 12 unknown
- Sterling Water System 23 unknown
T
- Tariffville Fire District Water Dept 476 unknown
- The Frederick Gunn School, INC. 4 lead/galv.
- Tolland Water Department 1 lead/galv.
- Tolland Water Dept - Torry Road 46 unknown
- Torrington Water Company 126 lead/galv.
U
W
- Wallingford Water Department no lead
- Waterbury Water Department 1,080 lead/galv.
- Waterford Wpca 27 lead/galv.
- Watertown Fire District 196 unknown
- Watertown Water & Sewer - Westgate 6 unknown
- Watertown Water & Sewer Authority 74 lead/galv.
- Westchester Hills Condominium Assn. 32 unknown
- White Oak Condominiums 16 unknown
- Windham Water Works 352 lead/galv.
- Winsted Water Works 4 lead/galv.
- Wolcott Water Department no lead
- Woodland Summit Community Water Assn 47 unknown
- Worthington Fire District 16 lead/galv.
Source: EPA SDWIS service line inventory, 2026 Q3.