Water Quality in 01057
Monson, Massachusetts • Served by: Monson Water and Sewer Department, Palmer Water District No.1
Updated March 2026 • Data from EWG & EPA
Contaminants Detected in 01057 Water
Levels shown are the maximum detected across all water systems serving this zip code. Red values exceed EWG health guidelines.
| Contaminant | Detected Level | EWG Guideline | EPA Legal Limit |
|---|---|---|---|
| Perfluorohexane sulfonate (PFHXS) | 0.29 ppt 294.0x | 0.00 ppt | 10 ppt |
| Total trihalomethanes (TTHMs) | 31.90 ppb 212.7x | 0.15 ppb | 80 ppb |
| Haloacetic acids (HAA5) | 19.10 ppb 191.0x | 0.10 ppb | 60 ppb |
| Trichloroacetic acid | 10.80 ppb 108.0x | 0.10 ppb | — |
| Bromodichloromethane | 4.03 ppb 67.2x | 0.06 ppb | — |
| Dichloroacetic acid | 8.10 ppb 40.5x | 0.20 ppb | — |
| Chloroform | 11.90 ppb 29.8x | 0.40 ppb | — |
| Dibromochloromethane | 1.41 ppb 14.1x | 0.10 ppb | — |
| Perfluorooctanoic acid (PFOA) | 0.74 ppt 8.2x | 0.09 ppt | 4 ppt |
| Nitrate | 1.07 ppm 7.6x | 0.14 ppm | 10 ppm |
| Perfluorooctane sulfonate (PFOS) | 0.52 ppt 1.7x | 0.30 ppt | 4 ppt |
| Dibromoacetic acid | 0.05 ppb 1.7x | 0.03 ppb | — |
| Manganese | 131.70 ppb 1.3x | 100 ppb | — |
| Tetrachloroethylene (perchloroethylene) | 0.06 ppb 1.1x | 0.06 ppb | 5 ppb |
| Barium | 58.80 ppb | 700 ppb | 2,000 ppb |
| Bromoform | 0.00 ppb | 0.50 ppb | — |
| Chromium (total) | 0.72 ppb | — | 100 ppb |
| cis-1,2-Dichloroethylene | 1.35 ppb | — | 70 ppb |
| Cyanide | 7.10 ppb | — | 200 ppb |
| Monochloroacetic acid | 0.12 ppb | 53 ppb | — |
| N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA) | 0.04 ppt | 1 ppt | — |
| Perchlorate | 0.22 ppb | 1 ppb | — |
| Perfluorobutane sulfonate (PFBS) | 0.49 ppt | 2,000 ppt | — |
| Perfluoroheptanoic acid (PFHPA) | 0.42 ppt | 1,000 ppt | — |
| Perfluorohexanoic Acid (PFHxA) | 0.45 ppt | 1,000 ppt | — |
| Trichloroethylene (TCE) | 0.17 ppb | 0.40 ppb | 5 ppb |
How to Protect Your Family
Contaminants including Bromodichloromethane, Chloroform, Dibromoacetic acid are best removed with a certified reverse osmosis system. Standard pitcher filters do not reliably remove many of these contaminants.
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Shop Hydrogen FlaskFrequently Asked Questions
Is the water safe to drink in zip code 01057?
Water in 01057 (Monson, Massachusetts) has 26 detected contaminants, of which 14 exceed EWG health guidelines. While it may meet EPA legal standards, health-focused guidelines are stricter. A certified reverse osmosis system provides the highest level of protection for your household.
What is the biggest water quality concern in 01057?
The most concerning contaminant detected in 01057 is Bromodichloromethane — 67.2x the EWG health guideline. Reverse osmosis filtration is the most effective method for removing this contaminant and protecting your family.
What filter removes contaminants from 01057 water?
A certified reverse osmosis (RO) system is the most effective solution for removing the contaminants detected in 01057. Standard pitcher filters and carbon-only filters do not reliably remove many of the contaminants found in this area.
How was the water quality data for 01057 collected?
Data is sourced from EWG's Tap Water Database, which compiles results from water utility testing reports and EPA regulatory data. Levels shown represent the maximum detected across all water systems serving zip code 01057.
More Water Quality Resources
Data sources: Environmental Working Group (EWG) Tap Water Database, U.S. EPA Safe Drinking Water Information System (SDWIS)
Last updated: March 2026
Methodology: Contaminant levels are compared against both EPA legal limits (Maximum Contaminant Levels) and EWG health guidelines, which are often stricter and based on the latest scientific research.
