We read 12 results from Amesbury Dpw Water Div.’s 2025 water quality report. 1 result over a legal limit and 1 above a health goal or guideline.
Serves about 17,366 people · Water system ID MA3007000 · Read the district’s 2025 report (opens in a new tab)
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Results from the 2025 report
Each number is copied from the district’s report and links to the page it’s printed on. Where the report lists several plants, wells or purchased water, the highest is shown.
| Contaminant | Result | Health goal | Legal limit | What it means |
|---|---|---|---|---|
| Disinfection byproducts (TTHM)highest measured · range 21 to 91 · 2025 report, page 3 | 91 ppb | None set | 80 ppb | Over the legal limit1.1x the legal limit |
| Lead90th percentile of homes tested, 0 over the action level · sampled 2023 · 2025 report, page 2 | 1.2 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal6x the health goal |
| Chlorinehighest measured · range 0.91 to 1.54 · 2025 report, page 3 | 1.54 ppm | None set | 4 ppm | Below the legal limit |
| Chlorine dioxidehighest measured · range ND to 17 · 2025 report, page 3 | 17 ppb | None set | 800 ppb | Below the legal limit |
| Chloritehighest measured · range ND to 0.02 · 2025 report, page 3 | 0.02 ppm | 0.05 ppm | 1 ppm | Below the health goal |
| Copper90th percentile of homes tested, 0 over the action level · sampled 2023 · 2025 report, page 2 | 0.11 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest measured · range 14 to 59 · 2025 report, page 3 | 59 ppb | None set | 60 ppb | Below the legal limit |
| Perchloratehighest measured · 2025 report, page 3 | 0.19 ppb | 1 ppb | 6 ppb | Below the health goal |
| pHaverage · range 6.7 to 7.5 · 2025 report, page 3 | 7.4 | — | — | Normal range |
| Sulfatesingle sample · 2025 report, page 3 | 41 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidssingle sample · 2025 report, page 3 | 160 ppm | — | 500 ppm guideline | Within the guideline |
| Sodiumsingle sample · 2025 report, page 3 | 38.6 ppm | None set | None | No health limit |
Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper.
What you can do
Nothing here is an emergency notice: if the district has a violation, it must tell customers directly. If you’d like to lower these at your tap, these are the treatments that remove them, and the catalog shows the models certified for each. Ranking is by certified removal; commissions never change the order.
Disinfection byproducts
Found: Disinfection byproducts (TTHM)
What removes it: Carbon block.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
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