New York Water Quality
According to EPA Safe Drinking Water Information System (SDWIS), New York has 2,242 active community water systems in this extract. PlainEnviro's health-based slice lists 5,536 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 2,242 community water systems in New York. Source: EPA Safe Drinking Water Information System (SDWIS).
Water Systems with Most Health-Based Records
| # | Water System | Health-Based Records | Health |
|---|---|---|---|
| 1 | PINE ISLAND WATER CO. Warwick | 128 | Yes |
| 2 | TUPPER LAKE V Tupper Lake | 123 | Yes |
| 3 | YESHIVA FARM SETTLEMENT Mt. Kisco | 100 | Yes |
| 4 | FLORIDA VILLAGE Florida | 87 | Yes |
| 5 | CENTRAL BRIDGE WATER DISTRICT Central Bridge | 86 | Yes |
| 6 | YESHIVA KEHILETH YAKOV Brooklyn | 83 | Yes |
| 7 | WOODLANDS AT CAIRO APTS Kingston | 81 | Yes |
| 8 | BLOOMING GROVE WD #4-TAPPAN HO Blooming Grove | 79 | Yes |
| 9 | DELANSON VILLAGE WATER WORKS Delanson | 64 | Yes |
| 10 | HENSONVILLE (WINDHAM W.D.) Hensonville | 60 | Yes |
| 11 | ARLUCK WATER DISTRICT Slate Hill | 58 | Yes |
| 12 | PARKWOOD VILLAGE APARTMENTS Albany | 55 | Yes |
| 13 | SUNSET RIDGE WATER DISTRICT North Salem | 55 | Yes |
| 14 | VALLEY VIEW CTR FOR NURSING CARE & REHAB Goshen | 53 | Yes |
| 15 | FULTONVILLE VILLAGE PWS Fultonville | 50 | Yes |
| 16 | MOUNTAIN VIEW MOBILE ESTATES - KINGSBURY Gansevoort | 46 | Yes |
| 17 | PAMELIA TOWN WD 4 & 5 Watertown | 45 | Yes |
| 18 | HARVEY SCHOOL Katonah | 45 | Yes |
| 19 | WHITLOCK FARMS Newburgh | 44 | Yes |
| 20 | CHAUTAUQUA WATER DISTRICT #2 Mayville | 43 | Yes |
| 21 | CATSKILL VILLAGE Catskill | 43 | Yes |
| 22 | WALLKILL CONSOLIDATED WD Middletown | 42 | Yes |
| 23 | LUDINGTONVILLE APTS Carmel | 41 | Yes |
| 24 | WEST CARTHAGE VILLAGE West Carthage | 39 | Yes |
| 25 | THE FARMS WATER DISTRICT Bedford Hills | 38 | Yes |
| 26 | BETHLEHEM WD NO 1 Delmar | 37 | Yes |
| 27 | RENSSELAERVILLE WD | 37 | Yes |
| 28 | VAL-E-VUE COURT Belfast | 37 | Yes |
| 29 | CARTHAGE VILLAGE Carthage | 37 | Yes |
| 30 | WILNA T WD 1 Carthage | 37 | Yes |
| 31 | BRISTOL WD #1 Canandaigua | 37 | Yes |
| 32 | MONROE WD #10 (PINE TREE RD) Monroe | 37 | Yes |
| 33 | PABST WATER DISTRICT North Salem | 35 | Yes |
| 34 | OAKRIDGE WATER DISTRICT Lagrangeville | 32 | Yes |
| 35 | WALTON LAKE ESTATES W.D. Chester | 31 | Yes |
| 36 | LONDON BRIDGE WATER WORKS West Nyack | 31 | Yes |
| 37 | CAMERON VALLEY ESTATES North Chili | 31 | Yes |
| 38 | OKEMO VILLAGE CONDOMINIUMS New City | 31 | Yes |
| 39 | LOWVILLE VILLAGE Lowville | 30 | Yes |
| 40 | HILL SPARROW MASTER HOA Somers | 30 | Yes |
| 41 | WHITE SAIL CONDOMINIUM W.S. Mahopac | 30 | Yes |
| 42 | SLEEPY HOLLOW LAKE WATER CO. Athens | 29 | Yes |
| 43 | HOUNSFIELD WD 2 Watertown | 29 | Yes |
| 44 | GOLDENS BRIDGE COMMUNITY ASSOC Golden's Bridge | 29 | Yes |
| 45 | ROLLING ACRES MHP Great Neck | 28 | Yes |
| 46 | SCHREIBER WATER WORKS Poughkeepsie | 28 | Yes |
| 47 | FONDA (V) WATER WORKS Fonda | 28 | Yes |
| 48 | CORNWALL MEADOWS TOWNHOMES W.S. Carmel | 28 | Yes |
| 49 | VEOLIA WATER NEW YORK West Nyack | 28 | Yes |
| 50 | ESSEX WD Essex | 27 | Yes |
Most Common Contaminants in New York
| Contaminant | Violations | Systems Affected |
|---|---|---|
| TTHM | 1,200 | 124 |
| Total Haloacetic Acids (HAA5) | 606 | 62 |
| Chloride | 580 | 52 |
| Iron | 433 | 62 |
| PERFLUOROCTANE SULFONIC ACID (PFOS) | 346 | 34 |
| Surface Water Treatment Rule | 328 | 143 |
| PERFLUOROCTANOIC ACID (PFOA) | 274 | 36 |
| Arsenic | 269 | 14 |
| Stage 1 Disinfectants and Disinfection Byproducts Rule | 179 | 125 |
| Lead and Copper Rule | 167 | 94 |
| Manganese | 149 | 37 |
| Groundwater Rule | 136 | 36 |
| Interim Enhanced Surface Water Treatment Rule | 88 | 28 |
| Combined Radium (-226 and -228) | 79 | 11 |
| Revised Total Coliform Rule | 77 | 40 |
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 York are included.
Source: U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.