Tap Water Quality Report
Tap water quality in HUNTINGTON (T), New York
Tap water in HUNTINGTON (T), New York receives a grade of D (61/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily SUFFOLK COUNTY WATER AUTHORITY. The most significant water quality concerns are: PFAS contamination; Perfluorohexane sulfonate (PFHXS) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in HUNTINGTON (T)'s tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving HUNTINGTON (T).
PFAS contamination
Severe concernPerfluorononanoic acid (PFNA), Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.
Perfluorohexane sulfonate (PFHXS) significantly above health guideline
Moderate concernPerfluorohexane sulfonate (PFHXS) detected at 0.227 ppt, 227x above the EWG health guideline of 0.001 ppt.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 8.3 ppb, 55x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 1.33 ppb, 22x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 10.0 ppb, 100x above the EWG health guideline of 0.1 ppb.
Water systems serving HUNTINGTON (T)
HUNTINGTON (T) is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
SUFFOLK COUNTY WATER AUTHORITY
- PFAS contamination
- Perfluorohexane sulfonate (PFHXS) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
SOUTH HUNTINGTON WATER DISTRICT
- PFAS contamination
- Haloacetic acids (HAA5) significantly above health guideline
- Nitrate and nitrite significantly above health guideline
Recommended filters for HUNTINGTON (T)
Filters matched to the specific contaminants in HUNTINGTON (T)'s water supply.
Reverse Osmosis or NSF P473 certified carbon
$80-$750Activated carbon and RO are the only technologies proven to remove PFAS at certified levels.
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 HUNTINGTON (T)'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 |
|---|---|---|---|---|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) PFAS |
0.227 ppt | 0.001 | 10.0 | — | — | — | — | 227× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
10.0 ppb | 0.1 | 60.0 | 60 | — | — | — | 100× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
8.3 ppb | 0.15 | 80.0 | 100 | — | — | — | 55× over |
| Nitrate and nitrite Inorganic |
4.55 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 33× over |
| Chromium (hexavalent) Heavy metal |
0.592 ppb | 0.02 | — | — | — | — | — | 30× over |
| Nitrate Inorganic |
3.33 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 24× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
1.33 ppb | 0.06 | — | — | — | — | — | 22× over |
| 1,2,3-Trichloropropane Other |
0.0126 ppb | 0.0007 | — | — | — | — | — | 18× over |
| Radium, combined (-226 and -228) Radiological |
0.37 pCi/L | 0.05 | 5.0 | — | — | — | — | 7.4× over |
| Perfluorononanoic acid (PFNA) PFAS |
0.024 ppt | 0.006 | 10.0 | — | — | — | — | 4.0× over |
| Perfluorooctanoic acid (PFOA) PFAS |
0.234 ppt | 0.09 | 4.0 | 100 | 100 | 0.007 | — | 2.6× over |
| Trichloroethylene Volatile organic compound |
0.293 ppb | 0.4 | 5.0 | 10 | 20 | 1.7 | — | Below guideline |
| Perfluorooctane sulfonate (PFOS) PFAS |
0.2 ppt | 0.3 | 4.0 | 100 | 100 | 1 | — | Below guideline |
| 1,4-Dioxane Semi-volatile organic compound |
0.221 ppb | 0.35 | — | — | 50 | 1 | — | Below guideline |
| 1,2-Dichloropropane Volatile organic compound |
0.303 ppb | 0.5 | 5.0 | — | — | — | — | Below guideline |
| Chlorate Disinfection byproduct |
92.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Uranium Radiological |
0.14 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | Below guideline |
| 6:2 Fluorotelomer Sulfonic Acid (6:2 FTSA) Other |
0.238 ppt | 1.0 | — | — | — | — | — | Below guideline |
| 1,1-Dichloroethane Volatile organic compound |
0.245 ppb | 3.0 | — | — | — | — | — | Below guideline |
| Manganese Heavy metal |
7.29 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Cobalt Other |
3.84 ppb | 70.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
21.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.206 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Perfluoropentanoic Acid (PFPeA) PFAS |
0.935 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Perfluorohexanoic Acid (PFHxA) PFAS |
0.747 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Trichlorofluoromethane Other |
0.309 ppb | 1300.0 | — | — | — | — | — | Below guideline |
| Perfluorobutanoic Acid (PFBA) PFAS |
0.14 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Molybdenum Other |
0.0028 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Perfluoroheptanoic acid (PFHPA) PFAS |
0.057 ppt | 1000.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0505 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Perfluorobutane sulfonate (PFBS) PFAS |
0.049 ppt | 2000.0 | — | — | — | — | — | Below guideline |
| 1,1-Dichloroethylene Volatile organic compound |
0.067 ppb | — | 7.0 | — | — | — | — | Below guideline |
| Acetone Other |
6.85 ppb | — | — | — | — | — | — | Below guideline |
| cis-1,2-Dichloroethylene Volatile organic compound |
0.54 ppb | — | 70.0 | — | — | — | — | Below guideline |
| Nitrite Inorganic |
0.025 ppm | — | 1.0 | — | — | — | — | Below guideline |
| Chlorodifluoromethane Other |
0.00778 ppb | — | — | — | — | — | — | Below guideline |
| Germanium Other |
0.0162 ppb | — | — | — | — | — | — | 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 SUFFOLK COUNTY WATER AUTHORITY.