Water Quality in 01004
Ware, Massachusetts • Served by: Ware Water Department, Washington Acres
Updated March 2026 • Data from EWG & EPA
Contaminants Detected in 01004 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) | 2.01 ppt 2010.0x | 0.00 ppt | 10 ppt |
| Total trihalomethanes (TTHMs) | 11.30 ppb 75.3x | 0.15 ppb | 80 ppb |
| Haloacetic acids (HAA9) | 4.03 ppb 67.2x | 0.06 ppb | — |
| Haloacetic acids (HAA5) | 5.52 ppb 55.2x | 0.10 ppb | 60 ppb |
| Dibromoacetic acid | 1.40 ppb 46.7x | 0.03 ppb | — |
| Perfluorooctanoic acid (PFOA) | 2.27 ppt 25.2x | 0.09 ppt | 4 ppt |
| Bromodichloromethane | 1.27 ppb 21.2x | 0.06 ppb | — |
| Dichloroacetic acid | 3.96 ppb 19.8x | 0.20 ppb | — |
| Trichloroacetic acid | 1.56 ppb 15.6x | 0.10 ppb | — |
| Nitrate | 2.13 ppm 15.2x | 0.14 ppm | 10 ppm |
| Dibromochloromethane | 1.20 ppb 12.0x | 0.10 ppb | — |
| Perfluorooctane sulfonate (PFOS) | 2.75 ppt 9.2x | 0.30 ppt | 4 ppt |
| Chloroform | 1.54 ppb 3.9x | 0.40 ppb | — |
| Manganese | 195.60 ppb 2.0x | 100 ppb | — |
| Barium | 1,350 ppb 1.9x | 700 ppb | 2,000 ppb |
| Aluminum | 1.80 ppb | 600 ppb | — |
| Bromoform | 0.29 ppb | 0.50 ppb | — |
| Chromium (total) | 0.50 ppb | — | 100 ppb |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) | 0.10 ppt | 9 ppt | 10 ppt |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | 0.03 ppt | 1 ppt | — |
| Perchlorate | 0.10 ppb | 1 ppb | — |
| Perfluorobutane sulfonate (PFBS) | 1.46 ppt | 2,000 ppt | — |
| Perfluoroheptanoic acid (PFHPA) | 0.34 ppt | 1,000 ppt | — |
| Perfluorohexanoic Acid (PFHxA) | 0.59 ppt | 1,000 ppt | — |
How to Protect Your Family
Contaminants including Barium, Bromodichloromethane, Chloroform 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 01004?
Water in 01004 (Ware, Massachusetts) has 24 detected contaminants, of which 15 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 01004?
The most concerning contaminant detected in 01004 is Barium — 1.9x 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 01004 water?
A certified reverse osmosis (RO) system is the most effective solution for removing the contaminants detected in 01004. 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 01004 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 01004.
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.
