Tap Water Quality Report
Tap water quality in NEW YORK (C), New York
Tap water in NEW YORK (C), New York receives a grade of D (65/100) from TapWaterSafety.org. It's served by NEW YORK CITY SYSTEM. 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. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in NEW YORK (C)'s tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving NEW YORK (C).
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 53.5 ppb, 892x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 38.2 ppb, 382x above the EWG health guideline of 0.1 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 38.8 ppb, 259x above the EWG health guideline of 0.15 ppb.
Recommended filters for NEW YORK (C)
Filters matched to the specific contaminants in NEW YORK (C)'s water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
All contaminants detected in NEW YORK (C)'s tap water
Every contaminant identified, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal. 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 |
53.5 ppb | 0.06 | — | — | — | — | — | 892× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
38.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 382× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
38.8 ppb | 0.15 | 80.0 | 100 | — | — | — | 259× over |
| Trichloroacetic acid Disinfection byproduct |
24.0 ppb | 0.1 | — | — | — | — | — | 240× over |
| Chloroform Disinfection byproduct |
34.3 ppb | 0.4 | — | — | — | — | — | 86× over |
| Bromodichloromethane Disinfection byproduct |
4.35 ppb | 0.06 | — | — | — | — | — | 72× over |
| Dichloroacetic acid Disinfection byproduct |
14.0 ppb | 0.2 | — | — | — | — | — | 70× over |
| Chromium (hexavalent) Heavy metal |
0.0413 ppb | 0.02 | — | — | — | — | — | 2.1× over |
| Dibromochloromethane Disinfection byproduct |
0.119 ppb | 0.1 | — | — | — | — | — | 1.2× over |
| Nitrate Inorganic |
0.161 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.1× over |
| Nitrate and nitrite Inorganic |
0.148 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 1.1× over |
| Manganese Heavy metal |
12.6 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Chlorate Disinfection byproduct |
21.7 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
18.7 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Aluminum Heavy metal |
15.0 ppb | 600.0 | — | 200 | — | 600 | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.00357 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| Hexachlorocyclopentadiene Other |
0.00625 ppb | 2.0 | 50.0 | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.16 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.802 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Bromide Other |
20.0 ppb | — | — | — | — | — | — | Below guideline |
| Chromium (total) Heavy metal |
0.357 ppb | — | 100.0 | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.721 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, California OEHHA PHGs, EWG Tap Water Database.
Treatment plant contact info
For service issues, water quality concerns, or to request a Consumer Confidence Report from NEW YORK CITY SYSTEM.
General Contact
Treatment Plant
ZIP codes served
NEW YORK (C)'s public water systems serve the following ZIP codes: