Tap Water Quality Report
Tap water quality in FARMINGTON, Connecticut
Tap water in FARMINGTON, Connecticut receives a grade of D (66/100) from TapWaterSafety.org. It's served by 2 public water systems, primarily NEW BRITAIN WATER DEPARTMENT. The most significant water quality concerns are: 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 FARMINGTON's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utilities serving FARMINGTON.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 38.9 ppb, 259x above the EWG health guideline of 0.15 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 12.0 ppb, 200x above the EWG health guideline of 0.06 ppb.
Haloacetic acids (HAA5) significantly above health guideline
Moderate concernHaloacetic acids (HAA5) detected at 10.3 ppb, 103x above the EWG health guideline of 0.1 ppb.
Water systems serving FARMINGTON
FARMINGTON is served by 2 public water systems. Click any utility to see its complete grade card and treatment plant contact info.
NEW BRITAIN WATER DEPARTMENT
- Total trihalomethanes (TTHMs) significantly above health guideline
- Haloacetic acids (HAA9) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
METROPOLITAN DISTRICT COMMISSION
- Haloacetic acids (HAA9) significantly above health guideline
- Haloacetic acids (HAA5) significantly above health guideline
- Total trihalomethanes (TTHMs) significantly above health guideline
Recommended filters for FARMINGTON
Filters matched to the specific contaminants in FARMINGTON'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 FARMINGTON'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 |
31.3 ppb | 0.06 | — | — | — | — | — | 522× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
32.3 ppb | 0.1 | 60.0 | 60 | — | — | — | 323× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
46.0 ppb | 0.15 | 80.0 | 100 | — | — | — | 306× over |
| Trichloroacetic acid Disinfection byproduct |
24.5 ppb | 0.1 | — | — | — | — | — | 245× over |
| Chloroform Disinfection byproduct |
40.2 ppb | 0.4 | — | — | — | — | — | 100× over |
| Bromodichloromethane Disinfection byproduct |
5.51 ppb | 0.06 | — | — | — | — | — | 92× over |
| Dichloroacetic acid Disinfection byproduct |
7.62 ppb | 0.2 | — | — | — | — | — | 38× over |
| Dibromochloromethane Disinfection byproduct |
1.25 ppb | 0.1 | — | — | — | — | — | 12× over |
| Dibromoacetic acid Disinfection byproduct |
0.0886 ppb | 0.03 | — | — | — | — | — | 3.0× over |
| Chromium (hexavalent) Heavy metal |
0.0338 ppb | 0.02 | — | — | — | — | — | 1.7× over |
| Nitrate and nitrite Inorganic |
0.114 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Chlorate Disinfection byproduct |
124.3 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Nitrate Inorganic |
0.043 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Barium Heavy metal |
17.9 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Manganese Heavy metal |
1.88 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.639 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Vanadium Other |
0.0965 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monobromoacetic acid Disinfection byproduct |
0.035 ppb | 25.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0601 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| 4-Androstene-3,17-dione Other |
0.083 ppt | — | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.298 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Nitrite Inorganic |
0.00407 ppm | — | 1.0 | — | — | — | — | Below guideline |
| Bromide Other |
13.6 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 NEW BRITAIN WATER DEPARTMENT.
General Contact
Treatment Plant
ZIP codes served
FARMINGTON's public water systems serve the following ZIP codes: