New York County Water Quality Reports

Albany County, NY: Lead Above EPA Limits — 34/100 (2026)

2026 report: Albany County, NY scores 34/100 (Grade F). 81 ZIP codes analyzed. 1459 EPA violations found. Lead above EPA limits. Free report with contam...

Allegany County, NY: 4 Health Violations — 54/100 (2026)

2026 report: Allegany County, NY scores 54/100 (Grade D). 25 ZIP codes analyzed. 147 EPA violations found. Free report with contaminant data and filter ...

Bedford County, NY: 4 Violations — 68/100 (2026)

2026 report: Bedford County, NY scores 68/100 (Grade C). 1 ZIP code analyzed. 4 EPA violations found. Free report with contaminant data and filter picks.

Broome County, NY: 17 Health Violations — 53/100 (2026)

2026 report: Broome County, NY scores 53/100 (Grade D). 30 ZIP codes analyzed. 157 EPA violations found. Free report with contaminant data and filter pi...

Cattaraugus County, NY: 9 Health Violations — 56/100 (2026)

2026 report: Cattaraugus County, NY scores 56/100 (Grade C). 41 ZIP codes analyzed. 56 EPA violations found. Free report with contaminant data and filte...

Cayuga County, NY: 21 Health Violations — 57/100 (2026)

2026 report: Cayuga County, NY scores 57/100 (Grade C). 21 ZIP codes analyzed. 43 EPA violations found. Free report with contaminant data and filter picks.

Chautauqua County, NY: 12 Health Violations — 49/100 (2026)

2026 report: Chautauqua County, NY scores 49/100 (Grade D). 78 ZIP codes analyzed. 204 EPA violations found. Free report with contaminant data and filte...

Chemung County, NY: 1 Health Violation — 53/100 (2026)

2026 report: Chemung County, NY scores 53/100 (Grade D). 31 ZIP codes analyzed. 62 EPA violations found. Free report with contaminant data and filter pi...

Chenango County, NY: 7 Health Violations — 57/100 (2026)

2026 report: Chenango County, NY scores 57/100 (Grade C). 19 ZIP codes analyzed. 55 EPA violations found. Free report with contaminant data and filter p...

Clinton County, NY: 6 Health Violations — 59/100 (2026)

2026 report: Clinton County, NY scores 59/100 (Grade C). 64 ZIP codes analyzed. 74 EPA violations found. Free report with contaminant data and filter pi...

Columbia County, NY: 22 Health Violations — 53/100 (2026)

2026 report: Columbia County, NY scores 53/100 (Grade D). 61 ZIP codes analyzed. 210 EPA violations found. Free report with contaminant data and filter ...

Cortland County, NY: 4 Health Violations — 50/100 (2026)

2026 report: Cortland County, NY scores 50/100 (Grade D). 20 ZIP codes analyzed. 33 EPA violations found. Free report with contaminant data and filter p...

Delaware County, NY: 8 Health Violations — 51/100 (2026)

2026 report: Delaware County, NY scores 51/100 (Grade D). 37 ZIP codes analyzed. 390 EPA violations found. Free report with contaminant data and filter ...

Dutchess County, NY: 27 Health Violations — 54/100 (2026)

2026 report: Dutchess County, NY scores 54/100 (Grade D). 45 ZIP codes analyzed. 131 EPA violations found. Free report with contaminant data and filter ...

Erie County, NY: 61 Health Violations — 59/100 (2026)

2026 report: Erie County, NY scores 59/100 (Grade C). 80 ZIP codes analyzed. 980 EPA violations found. Free report with contaminant data and filter picks.

Essex County, NY: 9 Health Violations — 84/100 (2026)

2026 report: Essex County, NY scores 84/100 (Grade B). 32 ZIP codes analyzed. 38 EPA violations found. Free report with contaminant data and filter picks.

Franklin County, NY: 17 Health Violations — 77/100 (2026)

2026 report: Franklin County, NY scores 77/100 (Grade B). 22 ZIP codes analyzed. 30 EPA violations found. Free report with contaminant data and filter p...

Fulton County, NY: 4 Health Violations — 76/100 (2026)

2026 report: Fulton County, NY scores 76/100 (Grade B). 10 ZIP codes analyzed. 43 EPA violations found. Free report with contaminant data and filter picks.

Genesee County, NY: 5 Health Violations — 56/100 (2026)

2026 report: Genesee County, NY scores 56/100 (Grade C). 14 ZIP codes analyzed. 20 EPA violations found. Free report with contaminant data and filter pi...

Greene County, NY: Lead Above EPA Limits — 52/100 (2026)

2026 report: Greene County, NY scores 52/100 (Grade D). 33 ZIP codes analyzed. 327 EPA violations found. Lead above EPA limits. Free report with contami...

Hamilton County, NY: 10 Health Violations — 79/100 (2026)

2026 report: Hamilton County, NY scores 79/100 (Grade B). 11 ZIP codes analyzed. 16 EPA violations found. Free report with contaminant data and filter p...

Herkimer County, NY: Lead Above EPA Limits — 74/100 (2026)

2026 report: Herkimer County, NY scores 74/100 (Grade B). 20 ZIP codes analyzed. 102 EPA violations found. Lead above EPA limits. Free report with conta...

Jefferson County, NY: 50 Health Violations — 65/100 (2026)

2026 report: Jefferson County, NY scores 65/100 (Grade C). 41 ZIP codes analyzed. 65 EPA violations found. Free report with contaminant data and filter ...

Kings County, NY: 950 Health Violations — 61/100 (2026)

2026 report: Kings County, NY scores 61/100 (Grade C). 52 ZIP codes analyzed. 1757 EPA violations found. Free report with contaminant data and filter pi...

Lebanon County, NY: High Radon Risk — 87/100 (2026)

2026 report: Lebanon County, NY scores 87/100 (Grade A). 1 ZIP code analyzed. No EPA violations. Free report with contaminant data and filter picks.

Lewis County, NY: 11 Health Violations — 70/100 (2026)

2026 report: Lewis County, NY scores 70/100 (Grade B). 18 ZIP codes analyzed. 32 EPA violations found. Free report with contaminant data and filter picks.

Litchfield County, NY: 4 Violations — 73/100 (2026)

2026 report: Litchfield County, NY scores 73/100 (Grade B). 1 ZIP code analyzed. 4 EPA violations found. Free report with contaminant data and filter pi...

Livingston County, NY: 10 Health Violations — 55/100 (2026)

2026 report: Livingston County, NY scores 55/100 (Grade C). 26 ZIP codes analyzed. 38 EPA violations found. Free report with contaminant data and filter...

Madison County, NY: 9 Health Violations — 50/100 (2026)

2026 report: Madison County, NY scores 50/100 (Grade D). 25 ZIP codes analyzed. 39 EPA violations found. Free report with contaminant data and filter pi...

Monroe County, NY: Lead Above EPA Limits — 71/100 (2026)

2026 report: Monroe County, NY scores 71/100 (Grade B). 56 ZIP codes analyzed. 3000 EPA violations found. Lead above EPA limits. Free report with contam...

Montgomery County, NY: Lead Above EPA Limits — 63/100 (2026)

2026 report: Montgomery County, NY scores 63/100 (Grade C). 9 ZIP codes analyzed. 76 EPA violations found. Lead above EPA limits. Free report with conta...

Nassau County, NY: Lead Above EPA Limits — 76/100 (2026)

2026 report: Nassau County, NY scores 76/100 (Grade B). 108 ZIP codes analyzed. 102 EPA violations found. Lead above EPA limits. Free report with contam...

New York County, NY: 604 Violations — 80/100 (2026)

2026 report: New York County, NY scores 80/100 (Grade B). 151 ZIP codes analyzed. 604 EPA violations found. Free report with contaminant data and filter...

Niagara County, NY: 1 Health Violation — 71/100 (2026)

2026 report: Niagara County, NY scores 71/100 (Grade B). 23 ZIP codes analyzed. 6 EPA violations found. Free report with contaminant data and filter picks.

Oneida County, NY: 35 Health Violations — 70/100 (2026)

2026 report: Oneida County, NY scores 70/100 (Grade B). 52 ZIP codes analyzed. 146 EPA violations found. Free report with contaminant data and filter pi...

Onondaga County, NY: 402 Health Violations — 45/100 (2026)

2026 report: Onondaga County, NY scores 45/100 (Grade D). 62 ZIP codes analyzed. 636 EPA violations found. Free report with contaminant data and filter ...

Ontario County, NY: 38 Health Violations — 53/100 (2026)

2026 report: Ontario County, NY scores 53/100 (Grade D). 19 ZIP codes analyzed. 113 EPA violations found. Free report with contaminant data and filter p...

Orange County, NY: 121 Health Violations — 50/100 (2026)

2026 report: Orange County, NY scores 50/100 (Grade D). 67 ZIP codes analyzed. 586 EPA violations found. Free report with contaminant data and filter pi...

Orleans County, NY: 11 Health Violations — 70/100 (2026)

2026 report: Orleans County, NY scores 70/100 (Grade B). 11 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter pi...

Oswego County, NY: 3 Health Violations — 68/100 (2026)

2026 report: Oswego County, NY scores 68/100 (Grade C). 24 ZIP codes analyzed. 93 EPA violations found. Free report with contaminant data and filter picks.

Otsego County, NY: 9 Health Violations — 54/100 (2026)

2026 report: Otsego County, NY scores 54/100 (Grade D). 30 ZIP codes analyzed. 327 EPA violations found. Free report with contaminant data and filter pi...

Putnam County, NY: 11 Health Violations — 57/100 (2026)

2026 report: Putnam County, NY scores 57/100 (Grade C). 15 ZIP codes analyzed. 19 EPA violations found. Free report with contaminant data and filter picks.

Queens County, NY: 24 Violations — 90/100 (2026)

2026 report: Queens County, NY scores 90/100 (Grade A). 9 ZIP codes analyzed. 24 EPA violations found. Free report with contaminant data and filter picks.

Rensselaer County, NY: 31 Health Violations — 54/100 (2026)

2026 report: Rensselaer County, NY scores 54/100 (Grade D). 36 ZIP codes analyzed. 120 EPA violations found. Free report with contaminant data and filte...

Rockland County, NY: 36 Health Violations — 75/100 (2026)

2026 report: Rockland County, NY scores 75/100 (Grade B). 21 ZIP codes analyzed. 90 EPA violations found. Free report with contaminant data and filter p...

Saratoga County, NY: 26 Health Violations — 72/100 (2026)

2026 report: Saratoga County, NY scores 72/100 (Grade B). 22 ZIP codes analyzed. 122 EPA violations found. Free report with contaminant data and filter ...

Schenectady County, NY: 35 Health Violations — 73/100 (2026)

2026 report: Schenectady County, NY scores 73/100 (Grade B). 13 ZIP codes analyzed. 651 EPA violations found. Free report with contaminant data and filt...

Schoharie County, NY: Lead Above EPA Limits — 52/100 (2026)

2026 report: Schoharie County, NY scores 52/100 (Grade D). 22 ZIP codes analyzed. 89 EPA violations found. Lead above EPA limits. Free report with conta...

Schuyler County, NY: 3 Health Violations — 62/100 (2026)

2026 report: Schuyler County, NY scores 62/100 (Grade C). 14 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter p...

Seneca County, NY: 14 Health Violations — 55/100 (2026)

2026 report: Seneca County, NY scores 55/100 (Grade C). 8 ZIP codes analyzed. 32 EPA violations found. Free report with contaminant data and filter picks.

St. Lawrence County, NY: 1 Health Violation — 69/100 (2026)

2026 report: St. Lawrence County, NY scores 69/100 (Grade C). 45 ZIP codes analyzed. 155 EPA violations found. Free report with contaminant data and fil...

Steuben County, NY: 11 Health Violations — 60/100 (2026)

2026 report: Steuben County, NY scores 60/100 (Grade C). 29 ZIP codes analyzed. 89 EPA violations found. Free report with contaminant data and filter pi...

Suffolk County, NY: Lead Above EPA Limits — 68/100 (2026)

2026 report: Suffolk County, NY scores 68/100 (Grade C). 95 ZIP codes analyzed. 146 EPA violations found. Lead above EPA limits. Free report with contam...

Sullivan County, NY: 34 Health Violations — 53/100 (2026)

2026 report: Sullivan County, NY scores 53/100 (Grade D). 59 ZIP codes analyzed. 139 EPA violations found. Free report with contaminant data and filter ...

Tioga County, NY: 4 Health Violations — 54/100 (2026)

2026 report: Tioga County, NY scores 54/100 (Grade D). 12 ZIP codes analyzed. 27 EPA violations found. Free report with contaminant data and filter picks.

Tompkins County, NY: 6 Health Violations — 54/100 (2026)

2026 report: Tompkins County, NY scores 54/100 (Grade D). 20 ZIP codes analyzed. 75 EPA violations found. Free report with contaminant data and filter p...

Ulster County, NY: 44 Health Violations — 52/100 (2026)

2026 report: Ulster County, NY scores 52/100 (Grade D). 55 ZIP codes analyzed. 406 EPA violations found. Free report with contaminant data and filter pi...

Warren County, NY: 6 Health Violations — 79/100 (2026)

2026 report: Warren County, NY scores 79/100 (Grade B). 22 ZIP codes analyzed. 112 EPA violations found. Free report with contaminant data and filter pi...

Washington County, NY: 14 Health Violations — 54/100 (2026)

2026 report: Washington County, NY scores 54/100 (Grade D). 19 ZIP codes analyzed. 68 EPA violations found. Free report with contaminant data and filter...

Wayne County, NY: 10 Health Violations — 71/100 (2026)

2026 report: Wayne County, NY scores 71/100 (Grade B). 22 ZIP codes analyzed. 56 EPA violations found. Free report with contaminant data and filter picks.

Westchester County, NY: 161 Health Violations — 79/100

2026 report: Westchester County, NY scores 79/100 (Grade B). 69 ZIP codes analyzed. 322 EPA violations found. Free report with contaminant data and filt...

Wyoming County, NY: 8 Health Violations — 56/100 (2026)

2026 report: Wyoming County, NY scores 56/100 (Grade C). 19 ZIP codes analyzed. 75 EPA violations found. Free report with contaminant data and filter pi...

Yates County, NY: 5 Health Violations — 58/100 (2026)

2026 report: Yates County, NY scores 58/100 (Grade C). 8 ZIP codes analyzed. 41 EPA violations found. Free report with contaminant data and filter picks.