Tap Water Quality Report
Tap water quality in BROOKFIELD, Connecticut
Tap water in BROOKFIELD, Connecticut receives a grade of D (67/100) from TapWaterSafety.org. It's served by DANBURY WATER DEPARTMENT. The most significant water quality concerns are: Haloacetic acids (HAA9) significantly above health guideline; Arsenic significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.
What's in BROOKFIELD's tap water
Top water quality concerns identified by the EPA and Environmental Working Group across the utility serving BROOKFIELD.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 25.8 ppb, 431x above the EWG health guideline of 0.06 ppb.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 0.943 ppb, 236x above the EWG health guideline of 0.004 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 34.4 ppb, 230x above the EWG health guideline of 0.15 ppb.
Recommended filters for BROOKFIELD
Filters matched to the specific contaminants in BROOKFIELD's water supply.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
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 BROOKFIELD'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 |
25.8 ppb | 0.06 | — | — | — | — | — | 431× over |
| Arsenic Heavy metal |
0.943 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 236× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
34.4 ppb | 0.15 | 80.0 | 100 | — | — | — | 230× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
18.3 ppb | 0.1 | 60.0 | 60 | — | — | — | 183× over |
| Bromodichloromethane Disinfection byproduct |
7.99 ppb | 0.06 | — | — | — | — | — | 133× over |
| Trichloroacetic acid Disinfection byproduct |
9.24 ppb | 0.1 | — | — | — | — | — | 92× over |
| Chloroform Disinfection byproduct |
23.8 ppb | 0.4 | — | — | — | — | — | 60× over |
| Dichloroacetic acid Disinfection byproduct |
9.1 ppb | 0.2 | — | — | — | — | — | 45× over |
| Dibromochloromethane Disinfection byproduct |
1.97 ppb | 0.1 | — | — | — | — | — | 20× over |
| Chromium (hexavalent) Heavy metal |
0.0768 ppb | 0.02 | — | — | — | — | — | 3.8× over |
| Chlorate Disinfection byproduct |
520.0 ppb | 210.0 | — | — | — | — | — | 2.5× over |
| Dibromoacetic acid Disinfection byproduct |
0.0222 ppb | 0.03 | — | — | — | — | — | Below guideline |
| Nitrate and nitrite Inorganic |
0.0681 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Nitrate Inorganic |
0.05 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | Below guideline |
| Manganese Heavy metal |
10.4 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Barium Heavy metal |
13.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Vanadium Other |
0.137 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid Disinfection byproduct |
0.114 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.0706 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Fluoride Inorganic |
0.336 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 DANBURY WATER DEPARTMENT.