Water Quality Report · Updated May 12, 2026

YONKERS CITY

Serving 211,569 residents in YONKERS (C), New York .

National rank 73th percentile
New York rank 91th percentile
Data confidence Medium
Quick answer

YONKERS CITY delivers tap water graded C (67/100) by TapWaterSafety.org. The utility serves approximately 211,569 residents in YONKERS (C), New York using surface water (purchased). The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 914-377-6270.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
211,569
People served
1
City served
22
Contaminants detected
10
Above health guidelines
0
EPA violations (5 yr)

Is YONKERS (C) tap water safe to drink?

YONKERS CITY delivers tap water that earns a grade of C (67/100) from TapWaterSafety.org — an average rating, with several contaminants above health guidelines but generally compliant with US legal limits.

The utility serves 211,569 residents in YONKERS (C), drawing from surface water (purchased).

Public testing data identifies 10 contaminants in this water above EWG's health-based guidelines, including: Haloacetic acids (HAA9), Haloacetic acids (HAA5), Total trihalomethanes (TTHMs), Trichloroacetic acid, Chloroform, Bromodichloromethane, Dichloroacetic acid, Bromochloroacetic acid, Dibromochloromethane, Chromium (hexavalent). For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for YONKERS CITY.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic acids (HAA9) detected at 39.8 ppb, 663x above the EWG health guideline of 0.06 ppb.

Haloacetic acids (HAA5) significantly above health guideline

Moderate concern

Haloacetic acids (HAA5) detected at 33.7 ppb, 337x above the EWG health guideline of 0.1 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 39.2 ppb, 261x above the EWG health guideline of 0.15 ppb.

Contact YONKERS CITY

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for YONKERS (C)

Filters matched to the specific contaminants in this water supply.

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 67/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
10 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
20 / 20
Compliance History
10 / 10
Source Water Vulnerability
7 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Haloacetic acids (HAA9)
Disinfection byproduct
39.8 ppb 0.06 663× over
Haloacetic acids (HAA5)
Disinfection byproduct
33.7 ppb 0.1 60.0 60 337× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
39.2 ppb 0.15 80.0 100 261× over
Trichloroacetic acid
Disinfection byproduct
20.9 ppb 0.1 209× over
Chloroform
Disinfection byproduct
32.0 ppb 0.4 80× over
Bromodichloromethane
Disinfection byproduct
4.19 ppb 0.06 70× over
Dichloroacetic acid
Disinfection byproduct
12.9 ppb 0.2 65× over
Bromochloroacetic acid
Disinfection byproduct
0.912 ppb 0.02 46× over
Dibromochloromethane
Disinfection byproduct
0.715 ppb 0.1 7.1× over
Chromium (hexavalent)
Heavy metal
0.0357 ppb 0.02 1.8× over
Nitrate and nitrite
Inorganic
0.12 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Nitrate
Inorganic
0.111 ppm 0.14 10.0 11.3 11.3 10 Below guideline
Chlorate
Disinfection byproduct
45.4 ppb 210.0 Below guideline
Bromoform
Disinfection byproduct
0.0901 ppb 0.5 Below guideline
Manganese
Heavy metal
12.1 ppb 100.0 50 80 Below guideline
Barium
Heavy metal
18.2 ppb 700.0 2000.0 1300 2000 Below guideline
1,4-Dioxane
Semi-volatile organic compound
0.00523 ppb 0.35 50 1 Below guideline
Monochloroacetic acid
Disinfection byproduct
0.102 ppb 53.0 Below guideline
Strontium
Radiological
0.0193 ppb 1500.0 Below guideline
1-Butanol
Other
0.413 ppb Below guideline
Dicamba
Other
0.0103 ppb Below guideline
Fluoride
Inorganic
0.442 ppm 4.0 1.5 1.5 Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

YONKERS CITY service area

This water system serves 1 community in Westchester County, New York. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
NY5903465
Owner type
Local government
Source water
Surface water (purchased)
Service connections
30,000
Service area
YONKERS (C), Westchester County, New York