Tap Water Quality Report
Tap water quality in LANCASTER (V), New York
Tap water in LANCASTER (V), New York receives a grade of D (67/100) from TapWaterSafety.org. It's served by ECWA DIRECT. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Haloacetic acids (HAA5) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in LANCASTER (V)'s tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving LANCASTER (V).
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 27.6 ppb, 460x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 38.7 ppb, 258x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 19.7 ppb, 197x above the EWG health guideline of 0.1 ppb.
Recommended filters for LANCASTER (V)
Filters matched to the specific contaminants in LANCASTER (V)'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 LANCASTER (V)'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 |
27.6 ppb | 0.06 | — | — | — | — | — | 460× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
38.7 ppb | 0.15 | 80.0 | 100 | — | — | — | 258× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
19.7 ppb | 0.1 | 60.0 | 60 | — | — | — | 197× over |
| Bromodichloromethane Disinfection byproduct |
9.3 ppb | 0.06 | — | — | — | — | — | 155× over |
| Trichloroacetic acid Disinfection byproduct |
8.71 ppb | 0.1 | — | — | — | — | — | 87× over |
| Chloroform Disinfection byproduct |
24.3 ppb | 0.4 | — | — | — | — | — | 61× over |
| Dibromochloromethane Disinfection byproduct |
5.07 ppb | 0.1 | — | — | — | — | — | 51× over |
| Dichloroacetic acid Disinfection byproduct |
9.97 ppb | 0.2 | — | — | — | — | — | 50× over |
| Dibromoacetic acid Disinfection byproduct |
0.357 ppb | 0.03 | — | — | — | — | — | 12× over |
| Chromium (hexavalent) Heavy metal |
0.0988 ppb | 0.02 | — | — | — | — | — | 4.9× over |
| Nitrate and nitrite Inorganic |
0.126 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Chlorate Disinfection byproduct |
96.8 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Nitrate Inorganic |
0.06 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Bromoform Disinfection byproduct |
0.0736 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Di(2-ethylhexyl) phthalate Semi-volatile organic compound |
0.435 ppb | 3.0 | 6.0 | — | — | — | — | Below guideline |
| Manganese Heavy metal |
2.58 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
0.994 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
15.6 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.532 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.229 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.0625 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.161 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.35 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 ECWA DIRECT.
General Contact
Treatment Plant
ZIP codes served
LANCASTER (V)'s public water systems serve the following ZIP codes: