New Jersey Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), New Jersey has 623 active community water systems in this extract. PlainEnviro's health-based slice lists 1,206 violation records across 50 systems with at least one such row. These are historical EPA registry counts, not a statewide drinkability score.
Health-based violation records for 623 community water systems in New Jersey. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | BELLEVILLE WATER DEPT Belleville | 36 | Yes |
| 2 | BIG OAK REHAB Elmer | 36 | Yes |
| 3 | HOPEWELL PLACE SENIOR APTS Bridgeton | 35 | Yes |
| 4 | BUTTONWOOD MOBILE HOME PARK Cape May Court House | 34 | Yes |
| 5 | BLOOMFIELD WATER DEPARTMENT Bloomfield | 33 | Yes |
| 6 | WESTHAVEN MOBILE HOME PARK, LLC Morganville | 29 | Yes |
| 7 | ANCORA PSYCHIATRIC HOSPI Ancora | 26 | Yes |
| 8 | NEWARK WATER DEPARTMENT Newark | 26 | Yes |
| 9 | CYPRESS MHP Ramsey | 25 | Yes |
| 10 | MILLTOWN W DEPT Milltown | 25 | Yes |
| 11 | SUSSEX W DEPT Sussex | 25 | Yes |
| 12 | TRENTON WATER WORKS Trenton | 24 | Yes |
| 13 | JEFFERSON TWP W U LK HOP Lake Hopatcong | 24 | Yes |
| 14 | PICNIC GROVE MOBILE HOMES Pittsgove | 22 | Yes |
| 15 | LITTLE BROOK NURSING CONVALESCENT HOME Califon | 21 | Yes |
| 16 | MANCHESTER VILLAGE Bridgeton | 21 | Yes |
| 17 | UNITED MOBILE HOMES OF VINELAND Vineland | 19 | Yes |
| 18 | REFLECTION LAKES GARDEN APARTMENTS Newfoundland | 17 | Yes |
| 19 | MANCHESTER UTILITIES AUTHORITY Woodland Park | 16 | Yes |
| 20 | VILLAGE I Frankklinville | 16 | Yes |
| 21 | UPPER DEERFIELD TWP WATER DEPT Seabrook | 15 | Yes |
| 22 | LINCOLN PARK WATER DEPT Lincoln Park | 15 | Yes |
| 23 | NUTLEY WATER DEPT Nutley | 14 | Yes |
| 24 | MALAGA VILLA APARTMENTS | 14 | Yes |
| 25 | SOUTH RIVER W DEPT South River | 14 | Yes |
| 26 | VERONA WATER DEPARTMENT Verona | 13 | Yes |
| 27 | RINGWOOD WATER DEPARTMENT Ringwood | 13 | Yes |
| 28 | BAYSHORE MOBILE HOME PARK Stow Creek | 12 | Yes |
| 29 | CEDAR GROVE WATER DEPT Cedar Grove | 11 | Yes |
| 30 | MONTVILLE TWP MUA Montville | 11 | Yes |
| 31 | MT OLIVE VILLAGES WATER Budd Lake | 11 | Yes |
| 32 | WANAQUE W DEPT. Wanaque | 11 | Yes |
| 33 | BURLINGTON CITY WATER DE Burlington | 10 | Yes |
| 34 | VEOLIA WATER NEW JERSEY SUNSET RIDGE Haworth | 10 | Yes |
| 35 | MANOR WATER ASSOCIATIONS Mantua | 9 | Yes |
| 36 | KINNELON WATER DEPT Kinnelon | 9 | Yes |
| 37 | ROXBURY TWP W DEPT-SKY V Landing | 9 | Yes |
| 38 | TIOGA MOBILE HOME COMMUNITY Randolph | 9 | Yes |
| 39 | THE OAKS OF WEYMOUTH WATER CO. Mays Landing | 8 | Yes |
| 40 | WEST CALDWELL WATER DEPARTMENT West Caldwell | 8 | Yes |
| 41 | PERTH AMBOY WATER DEPARTMENT Iselin | 8 | Yes |
| 42 | MT OLIVE TWP WD PINECREST Budd Lake | 8 | Yes |
| 43 | GAP VIEW COMMUNITY MHP Secaucus | 8 | Yes |
| 44 | BOROUGH OF WOODBINE Woodbine | 7 | Yes |
| 45 | VINELAND WATER & SEWER UTILITY Vineland | 7 | Yes |
| 46 | BUTLER WATER DEPT Butler | 7 | Yes |
| 47 | JEFFERSON TWP W U MILTON SYS Lake Hopatcong | 7 | Yes |
| 48 | NORTH SHORE WATER ASSOCIATION Andover | 7 | Yes |
| 49 | LAKE TAMARACK W CO Stockholm | 7 | Yes |
| 50 | SPARTA TWP WATER UTILITY - LAKE MOHAWK Sparta | 7 | Yes |
Most Common Contaminants in New Jersey
| Contaminant | Violations | Systems Affected |
|---|---|---|
| Lead and Copper Rule | 484 | 110 |
| TTHM | 153 | 25 |
| Revised Total Coliform Rule | 86 | 35 |
| Gross Alpha, Excl. Radon and U | 78 | 12 |
| Surface Water Treatment Rule | 77 | 20 |
| Combined Radium (-226 and -228) | 75 | 9 |
| Total Haloacetic Acids (HAA5) | 51 | 11 |
| Nitrate | 47 | 9 |
| Groundwater Rule | 33 | 12 |
| Arsenic | 28 | 1 |
| Benzene | 22 | 1 |
| Interim Enhanced Surface Water Treatment Rule | 19 | 7 |
| LEAD AND COPPER RULE REVISIONS | 17 | 12 |
| Coliform (TCR) | 15 | 7 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 9 | 9 |
Cities with Water Quality Issues
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About This Data
Water quality data is from the EPA Safe Drinking Water Information System (SDWIS). Health-based violations include Maximum Contaminant Level (MCL) and Treatment Technique (TT) violations. Only community water systems (CWS) in New Jersey are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.