Water Quality in 01093
Amherst, Massachusetts • Served by: 122 Main Street, Amherst DPW Water Division
Updated March 2026 • Data from EWG & EPA
Contaminants Detected in 01093 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) | 1.55 ppt 1550.0x | 0.00 ppt | 10 ppt |
| Arsenic | 5.20 ppb 1300.0x | 0.00 ppb | 10 ppb |
| Haloacetic acids (HAA5) | 52.90 ppb 529.0x | 0.10 ppb | 60 ppb |
| Total trihalomethanes (TTHMs) | 59.80 ppb 398.7x | 0.15 ppb | 80 ppb |
| Haloacetic acids (HAA9) | 23.70 ppb 395.0x | 0.06 ppb | — |
| Perfluorononanoic acid (PFNA) | 2.23 ppt 371.7x | 0.01 ppt | 10 ppt |
| Perfluorononanoic acid (PFNA)* | 2.23 ppt 371.7x | 0.01 ppt | 10 ppt |
| Trichloroacetic acid | 34.10 ppb 341.0x | 0.10 ppb | — |
| Haloacetic acids (HAA9)* | 17.20 ppb 286.7x | 0.06 ppb | — |
| Chloroform | 54 ppb 135.0x | 0.40 ppb | — |
| Dichloroacetic acid | 18.50 ppb 92.5x | 0.20 ppb | — |
| Bromodichloromethane | 5.50 ppb 91.7x | 0.06 ppb | — |
| Perfluorooctanoic acid (PFOA) | 7.49 ppt 83.2x | 0.09 ppt | 4 ppt |
| Nitrate | 6.13 ppm 43.8x | 0.14 ppm | 10 ppm |
| Dibromoacetic acid | 1.28 ppb 42.7x | 0.03 ppb | — |
| Dibromochloromethane | 3.14 ppb 31.4x | 0.10 ppb | — |
| Bromochloromethane | 0.76 ppb 12.6x | 0.06 ppb | — |
| Radium, combined (-226 and -228)* | 0.61 pCi/L 12.2x | 0.05 pCi/L | 5 pCi/L |
| Radium, combined (-226 and -228) | 0.61 pCi/L 12.2x | 0.05 pCi/L | 5 pCi/L |
| Dichloroacetic acid* | 1.37 ppb 6.9x | 0.20 ppb | — |
| Trichloroacetic acid* | 0.59 ppb 5.9x | 0.10 ppb | — |
| Perfluorodecanoic acid (PFDA) | 0.03 ppt 4.3x | 0.01 ppt | — |
| Perfluorooctanoic acid (PFOA)* | 0.32 ppt 3.5x | 0.09 ppt | 4 ppt |
| Chromium (hexavalent) | 0.06 ppb 2.9x | 0.02 ppb | — |
| Chromium (hexavalent)* | 0.06 ppb 2.9x | 0.02 ppb | — |
| Manganese | 279.10 ppb 2.8x | 100 ppb | — |
| Perfluorooctane sulfonate (PFOS) | 0.71 ppt 2.4x | 0.30 ppt | 4 ppt |
| Nitrate* | 0.27 ppm 1.9x | 0.14 ppm | 10 ppm |
| Bromoform | 0.84 ppb 1.7x | 0.50 ppb | — |
| Perfluorooctane sulfonate (PFOS)* | 0.41 ppt 1.4x | 0.30 ppt | 4 ppt |
| 2,4-D | 0.11 ppb | 20 ppb | 70 ppb |
| 2,4-D* | 0.02 ppb | 20 ppb | 70 ppb |
| Aluminum | 7 ppb | 600 ppb | — |
| Barium | 156 ppb | 700 ppb | 2,000 ppb |
| Barium* | 7.48 ppb | 700 ppb | 2,000 ppb |
| Bromomethane | 0.02 ppb | — | — |
| Bromomethane* | 0.02 ppb | — | — |
| Chlorate | 71.50 ppb | 210 ppb | — |
| Chlorate* | 7.60 ppb | 210 ppb | — |
| Chromium (total) | 1 ppb | — | 100 ppb |
| Ethylbenzene | 0.15 ppb | 300 ppb | 700 ppb |
| Fluoride | 0.78 ppm | — | 4 ppm |
| Fluoride* | 0.78 ppm | — | 4 ppm |
| Lithium | 22.90 ppb | — | — |
| Manganese* | 19.60 ppb | 100 ppb | — |
| Molybdenum | 1.75 ppb | 40 ppb | — |
| Monobromoacetic acid | 4.36 ppb | 25 ppb | — |
| Monochloroacetic acid | 4.27 ppb | 53 ppb | — |
| Methyl tert-Butyl Ether (MTBE) | 0.43 ppb | 13 ppb | — |
| N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA) | 0.05 ppt | 1 ppt | — |
| N-ethyl perfluorooctane sulfonamido acetic acid (N-EtFOSAA) * | 0.05 ppt | 1 ppt | — |
| Nitrite | 0.05 ppm | — | 1 ppm |
| Perchlorate | 0.38 ppb | 1 ppb | — |
| Perfluorobutane sulfonate (PFBS) | 0.63 ppt | 2,000 ppt | — |
| Perfluorobutane sulfonate (PFBS)* | 0.03 ppt | 2,000 ppt | — |
| Perfluoroheptanoic acid (PFHPA) | 3.61 ppt | 1,000 ppt | — |
| Perfluoroheptanoic acid (PFHPA)* | 0.11 ppt | 1,000 ppt | — |
| Perfluorohexanoic Acid (PFHxA) | 2.24 ppt | 1,000 ppt | — |
| Perfluorohexanoic Acid (PFHxA)* | 0.26 ppt | 1,000 ppt | — |
| Selenium | 0.67 ppb | 30 ppb | 50 ppb |
| Strontium (Non-radioactive) | 0.81 ppb | 1,500 ppb | — |
| Strontium* | 0.06 ppb | 1,500 ppb | — |
| Toluene | 0.04 ppb | 150 ppb | 1,000 ppb |
| Toluene* | 0.04 ppb | 150 ppb | 1,000 ppb |
| Vanadium | 0.13 ppb | 21 ppb | — |
| Vanadium* | 0.13 ppb | 21 ppb | — |
| Xylenes (total) | 1.25 ppb | 1,800 ppb | 10,000 ppb |
How to Protect Your Family
Contaminants including Perfluorodecanoic acid (PFDA), Radium, combined (-226 and -228)*, Arsenic 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 01093?
Water in 01093 (Amherst, Massachusetts) has 67 detected contaminants, of which 30 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 01093?
The most concerning contaminant detected in 01093 is Perfluorodecanoic acid (PFDA) — 4.3x 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 01093 water?
A certified reverse osmosis (RO) system is the most effective solution for removing the contaminants detected in 01093. 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 01093 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 01093.
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.
