New York Water Quality
Health violation data for 2,201 community water systems in New York. Based on EPA Safe Drinking Water Information System (SDWIS) data.
Water Systems
2,201
Total Violations
5,270
Systems with Violations
50
Cities with Issues
456
Water Systems with Most Violations
| # | Water System | Violations | Health |
|---|---|---|---|
| 1 | TUPPER LAKE V Tupper Lake | 123 | Yes |
| 2 | PINE ISLAND WATER CO. Warwick | 100 | Yes |
| 3 | CENTRAL BRIDGE WATER DISTRICT Central Bridge | 86 | Yes |
| 4 | FLORIDA VILLAGE Florida | 85 | Yes |
| 5 | WOODLANDS AT CAIRO APTS Kingston | 79 | Yes |
| 6 | YESHIVA FARM SETTLEMENT Mt. Kisco | 79 | Yes |
| 7 | BLOOMING GROVE WD #4-TAPPAN HO Blooming Grove | 70 | Yes |
| 8 | DELANSON VILLAGE WATER WORKS Delanson | 64 | Yes |
| 9 | HENSONVILLE (WINDHAM W.D.) Hensonville | 60 | Yes |
| 10 | ARLUCK WATER DISTRICT Slate Hill | 55 | Yes |
| 11 | PARKWOOD VILLAGE APARTMENTS Albany | 52 | Yes |
| 12 | VALLEY VIEW CTR FOR NURSING CARE & REHAB Goshen | 51 | Yes |
| 13 | FULTONVILLE VILLAGE PWS Fultonville | 50 | Yes |
| 14 | SUNSET RIDGE WATER DISTRICT North Salem | 49 | Yes |
| 15 | YESHIVA KEHILETH YAKOV Brooklyn | 48 | Yes |
| 16 | WHITLOCK FARMS Newburgh | 44 | Yes |
| 17 | MOUNTAIN VIEW MOBILE ESTATES - KINGSBURY Gansevoort | 44 | Yes |
| 18 | CHAUTAUQUA WATER DISTRICT #2 Mayville | 43 | Yes |
| 19 | CATSKILL VILLAGE Catskill | 43 | Yes |
| 20 | WALLKILL CONSOLIDATED WD Middletown | 42 | Yes |
| 21 | LUDINGTONVILLE APTS Carmel | 41 | Yes |
| 22 | WEST CARTHAGE VILLAGE West Carthage | 39 | Yes |
| 23 | BRISTOL WD #1 Canandaigua | 38 | Yes |
| 24 | BETHLEHEM WD NO 1 Delmar | 37 | Yes |
| 25 | RENSSELAERVILLE WD Medusa | 37 | Yes |
| 26 | VAL-E-VUE COURT Belfast | 37 | Yes |
| 27 | CARTHAGE VILLAGE Carthage | 37 | Yes |
| 28 | WILNA T WD 1 Carthage | 37 | Yes |
| 29 | MONROE WD #10 (PINE TREE RD) Monroe | 37 | Yes |
| 30 | THE FARMS WATER DISTRICT Bedford Hills | 32 | Yes |
| 31 | PABST WATER DISTRICT North Salem | 32 | Yes |
| 32 | WALTON LAKE ESTATES W.D. Chester | 31 | Yes |
| 33 | LONDON BRIDGE WATER WORKS West Nyack | 31 | Yes |
| 34 | HARVEY SCHOOL Katonah | 31 | Yes |
| 35 | OKEMO VILLAGE CONDOMINIUMS New City | 31 | Yes |
| 36 | LOWVILLE VILLAGE Lowville | 30 | Yes |
| 37 | HILL SPARROW MASTER HOA Somers | 30 | Yes |
| 38 | WHITE SAIL CONDOMINIUM W.S. Mahopac | 30 | Yes |
| 39 | SLEEPY HOLLOW LAKE WATER CO. Athens | 29 | Yes |
| 40 | HOUNSFIELD WD 2 Watertown | 29 | Yes |
| 41 | ROLLING ACRES MHP Great Neck | 28 | Yes |
| 42 | CORNWALL MEADOWS TOWNHOMES W.S. Carmel | 28 | Yes |
| 43 | CAMERON VALLEY ESTATES North Chili | 28 | Yes |
| 44 | OAKRIDGE WATER DISTRICT Lagrangeville | 28 | Yes |
| 45 | ESSEX WD Essex | 27 | Yes |
| 46 | MONROE WD #01 (HIGH RIDGE) Monroe | 26 | Yes |
| 47 | NYACK VILLAGE WATER SUPPLY Nyack | 26 | Yes |
| 48 | BIG TREE MOBILE HOME PARK West Seneca | 25 | Yes |
| 49 | PAMELIA TOWN WD 4 & 5 Watertown | 25 | Yes |
| 50 | FONDA (V) WATER WORKS Fonda | 25 | Yes |
Most Common Contaminants in New York
| Contaminant | Violations | Systems Affected |
|---|---|---|
| Total Trihalomethanes (TTHM) | 1,181 | 119 |
| Haloacetic Acids (HAA5) | 597 | 62 |
| Selenium | 532 | 48 |
| Chromium | 421 | 62 |
| Arsenic | 315 | 142 |
| Di(2-ethylhexyl) phthalate | 263 | 32 |
| Barium | 262 | 15 |
| Dibutyl phthalate | 209 | 34 |
| Chlorine | 177 | 124 |
| Combined Radium 226/228 | 160 | 93 |
| Mercury | 140 | 36 |
| Fluoride | 130 | 33 |
| Gross Alpha | 116 | 116 |
| Turbidity | 83 | 27 |
| E. coli | 75 | 39 |
Cities with Water Quality Issues
New York Staten Island Bronx Brewster Mahopac Mount Vernon Ossining Cortlandt Manor Yonkers New Rochelle Chester Harriman Middletown Otisville Slate Hill Warwick West Nyack Great Neck Brooklyn Maspeth Port Jefferson Hauppauge Plainview Riverhead Calverton Amsterdam Athens Malta Cohoes Fonda Clifton Park Gloversville Altamont Hoosick Falls Johnstown Mechanicville Ravena Rensselaer Selkirk Troy +416 more
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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 U.S. Environmental Protection Agency, SDWIS Federal Reporting Services
Read our methodology - how this data is sourced, computed, and verified.