Water Quality in 01026
Cummington, Massachusetts • Served by: Cummington Water Department, West Cummington Water Department
Updated March 2026 • Data from EWG & EPA
Contaminants Detected in 01026 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 |
|---|---|---|---|
| Nitrate | 1.15 ppm 8.2x | 0.14 ppm | 10 ppm |
| Perfluorooctanoic acid (PFOA) | 0.10 ppt 1.1x | 0.09 ppt | 4 ppt |
| Manganese | 1 ppb | 100 ppb | — |
| Perchlorate | 0.04 ppb | 1 ppb | — |
| Perfluorooctane sulfonate (PFOS) | 0.28 ppt | 0.30 ppt | 4 ppt |
How to Protect Your Family
Contaminants including Nitrate, Perfluorooctanoic acid (PFOA) 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 01026?
Water in 01026 (Cummington, Massachusetts) has 5 detected contaminants, of which 2 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 01026?
The most concerning contaminant detected in 01026 is Nitrate — 8.2x 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 01026 water?
A certified reverse osmosis (RO) system is the most effective solution for removing the contaminants detected in 01026. 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 01026 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 01026.
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.
