Browse Water Systems
10,863 public water systems in CT.
Public Water Systems Database
Browse 10,863 EPA-regulated public water systems with identifiers, population served, and water source type. Use the filters below to narrow results by state, system type, or name.
| System Name | PWSID | State | Type | Population Served |
|---|---|---|---|---|
| SOUTHBURY TRAINING SCHOOL | CT1300011 | Connecticut | Community | 816 |
| DUNKIN DONUTS | NJ1615428 | Connecticut | Transient Non-Community | 811 |
| REDDING ELEMENTARY SCHOOL | CT1170352 | Connecticut | Non-Transient Non-Community | 811 |
| HADDAM KILLINGWORTH INTER/MIDDLE SCHOOL | CT0709153 | Connecticut | Non-Transient Non-Community | 808 |
| SHARON WATER & SEWER COMMISSION | CT1250011 | Connecticut | Community | 803 |
| TOWN OF SOMERS - SOMERSVILLE SYSTEM | CT1299021 | Connecticut | Community | 800 |
| HOPEVILLE POND S.P./BEACH-WELL #2 | CT0580044 | Connecticut | Transient Non-Community | 800 |
| GREENWICH AMERICAN CENTER | CT0570062 | Connecticut | Non-Transient Non-Community | 800 |
| HORACE PORTER SCHOOL | CT0300062 | Connecticut | Non-Transient Non-Community | 797 |
| SITZMARK LODGE | VT0002060 | Connecticut | Transient Non-Community | 795 |
| TALCOTT MOUNTAIN S.P. | CT1280134 | Connecticut | Transient Non-Community | 793 |
| HADDAM MEADOWS S.P. | CT0610184 | Connecticut | Transient Non-Community | 780 |
| SHEPAUG MIDDLE/HIGH SCHOOL | CT1500102 | Connecticut | Non-Transient Non-Community | 770 |
| HOPEWELL SCHOOL | CT0540232 | Connecticut | Non-Transient Non-Community | 767 |
| BROWN MIDDLE SCHOOL | CT0769043 | Connecticut | Non-Transient Non-Community | 761 |
| BOLTON CENTER SCHOOL (K-8) | CT0120212 | Connecticut | Non-Transient Non-Community | 756 |
| GAYLORD HOSPITAL | CT1488011 | Connecticut | Community | 755 |
| AQUARION WATER CO OF CT-RIDGEFIELD LAKES | CT1180081 | Connecticut | Community | 750 |
| CTWC - UCONN SOUTH EAGLEVILLE DIV. | CT0787111 | Connecticut | Community | 750 |
| CTWC - JENSENS BEECHWOOD SYSTEM | CT0700011 | Connecticut | Community | 750 |
| HOUSATONIC VALLEY REGIONAL HS | CT0210012 | Connecticut | Non-Transient Non-Community | 750 |
| MARLBOROUGH ELEMENTARY SCHOOL | CT0791193 | Connecticut | Non-Transient Non-Community | 740 |
| CLC OWNERS CORPORATION | CT0960071 | Connecticut | Community | 736 |
| ROHER SPRINGS | TX1070232 | Connecticut | Transient Non-Community | 725 |
| KENT SCHOOL CORP (VALLEY CAMPUS) | CT0680021 | Connecticut | Community | 722 |
| MANSFIELD MIDDLE SCHOOL | CT0781243 | Connecticut | Non-Transient Non-Community | 715 |
| LAKE GARDA SCHOOL | CT0209123 | Connecticut | Non-Transient Non-Community | 715 |
| CTWC - SPICE HILL DIVISION | CT0428031 | Connecticut | Community | 712 |
| LAKE WAUBEEKA ASSOCIATION | CT0340171 | Connecticut | Community | 712 |
| PARKER MEMORIAL SCHOOL | CT1420342 | Connecticut | Non-Transient Non-Community | 700 |
| MEETING HOUSE HILL SCHOOL | CT0910542 | Connecticut | Non-Transient Non-Community | 700 |
| SAMUEL STAPLES ELEMENTARY SCHOOL | CT0460112 | Connecticut | Non-Transient Non-Community | 700 |
| CTWC - COVENTRY HILLS DIV | CT0320091 | Connecticut | Community | 700 |
| PENWOOD STATE PARK/MAIN PARK WELL | CT0110114 | Connecticut | Transient Non-Community | 700 |
| MANSFIELD ELEMENTARY SCHOOL | CT0781233 | Connecticut | Non-Transient Non-Community | 688 |
| INDIAN FIELD COOP CAMPGROUND ASSN., INC. | CT1219113 | Connecticut | Non-Transient Non-Community | 685 |
| MONTVILLE HIGH SCHOOL | CT0860302 | Connecticut | Non-Transient Non-Community | 683 |
| MABELLE B. AVERY SCHOOL | CT1290192 | Connecticut | Non-Transient Non-Community | 680 |
| CTWC - NORTHERN REG-CRESCENT LAKE SYSTEM | CT0493011 | Connecticut | Community | 680 |
| SALEM ELEMENTARY SCHOOL | CT1219013 | Connecticut | Non-Transient Non-Community | 675 |
| CONSOLIDATED SCHOOL - CLARK WING | CT0660012 | Connecticut | Non-Transient Non-Community | 670 |
| EAST HAMPTON MEMORIAL SCHOOL | CT0420892 | Connecticut | Non-Transient Non-Community | 669 |
| YMCA CAMP INGERSOLL | CT1130104 | Connecticut | Transient Non-Community | 653 |
| SCWA, LEDYARD CENTER DIVISION | CT0720313 | Connecticut | Community | 652 |
| CTWC - LAKE HAYWARD | CT0410792 | Connecticut | Non-Transient Non-Community | 650 |
| ROLLINGWOOD CONDOMINIUMS | CT0180261 | Connecticut | Community | 646 |
| HADDAM-KILLINGWORTH HIGH SCHOOL | CT0610563 | Connecticut | Non-Transient Non-Community | 642 |
| ALCOTT SCHOOL | CT1661292 | Connecticut | Non-Transient Non-Community | 638 |
| WOODSTOCK ELEMENTARY SCHOOL | CT1690262 | Connecticut | Non-Transient Non-Community | 636 |
| MEADOWS AT CROSS RIVER | NY5920685 | Connecticut | Community | 630 |