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New York Water Quality
883
Utilities in database
18.3M
Residents served
25%
On private wells
3
Key contaminants tracked
Drinking Water in New York
New York has 883 community water systems serving approximately 18.3 million residents. Primary water sources include surface water. The most commonly reported contaminants include disinfection byproducts, lead, nitrates. 25% of New York residents rely on private wells. NYSDOH holds primary enforcement authority under the Safe Drinking Water Act.
Utilities in New York
276–300 of 883Lowville Village
NY2402365 · 4,000 served
Richland Town Pws
NY3730165 · 3,950 served
Liberty Village
NY5203329 · 3,900 served
South Glens Falls Village
NY4500170 · 3,900 served
Westfield Village and Town
NY0615782 · 3,890 served
Warsaw Village
NY6000618 · 3,850 served
Somers Consolidated Water District #1
NY5903426 · 3,848 served
Delhi Village
NY1200257 · 3,833 served
Sidney Village
NY1200270 · 3,800 served
Brinkerhoff Water District
NY1302766 · 3,788 served
Hopewell Cons Wd 1
NY3411948 · 3,781 served
Ticonderoga Wd
NY1500293 · 3,700 served
Perry Village
NY6000613 · 3,673 served
Warrensburg Water District
NY5600112 · 3,600 served
Alfred State College
NY0220581 · 3,600 served
Carthage Village
NY2202334 · 3,600 served
Palmyra Village
NY5801235 · 3,580 served
Bear Mountain Water Supply
NY4317681 · 3,564 served
Brookhaven National Laboratory
NY5111891 · 3,500 served
Skaneateles Wds
NY3304347 · 3,500 served
Mount Morris Village
NY2501023 · 3,500 served
Chester Village
NY3503524 · 3,448 served
Gorham Town Wd
NY3401170 · 3,420 served
South Blooming Grove Village Wd 1
NY3510641 · 3,400 served
Greenwood Lake Village
NY3503530 · 3,383 served
Key Contaminant Concerns in New York
Lead
Lead is a naturally occurring heavy metal that was widely used in plumbing infrastructure until it was banned for new installations in 1986. An estimated 9.2 million lead service lines still connect homes to public water mains across the United States, along with millions of homes with lead solder in their internal plumbing.
Nitrates
Nitrate (NO₃⁻) is a nitrogen-containing compound that forms naturally through the decomposition of organic matter. At elevated concentrations — almost always from human activity — nitrate interferes with the blood's ability to carry oxygen. The United States produces over 23 million tons of nitrogen fertilizer annually, making agricultural runoff the dominant source of nitrate contamination.
DBPs
When utilities add chlorine to water to kill pathogens, it reacts with dissolved organic matter — leaves, algae, soil — to produce disinfection byproducts (DBPs). Over 600 DBPs have been identified. The EPA regulates two groups: total trihalomethanes (TTHMs, including chloroform) and haloacetic acids (HAA5). DBP levels tend to be highest in surface water systems and in warm months when organic matter is elevated.
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Data source: Utility data from EPA SDWIS. 883 active community water systems ingested. CCR contaminant data ingestion in progress.
Last updated: 2026-04-17