We read 19 results from Canton Pws’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 3,200 people · Water system ID MO2010134 · 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 |
|---|---|---|---|---|
| Lead90th percentile of homes tested, 0 over the action level · sampled 2023 · Customer taps · 2025 report, page 2 | 1.27 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal6.4x the health goal |
| pHhighest measured · range 8.84 to 8.84 · sampled 2023 · 2025 report, page 3 | 8.84 | — | — | Outside the normal rangeAlkaline water can leave scale |
| Bariumhighest measured · range 0.04 to 0.04 · sampled 2023 · 2025 report, page 2 | 0.04 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloridehighest measured · range 37.9 to 37.9 · sampled 2023 · 2025 report, page 3 | 37.9 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · sampled 2023 · Customer taps · 2025 report, page 2 | 0.04 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 21.2 to 29.5 · DBPDUAL-01, highest of 2 sources · 2025 report, page 2 | 25 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 53 to 54.4 · DBPDUAL-01, highest of 2 sources · 2025 report, page 2 | 54 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.23 to 0.23 · sampled 2023 · 2025 report, page 2 | 0.23 ppm | 1 ppm | 4 ppm | Below the health goal |
| Ironhighest measured · range 0.0071 to 0.0071 · sampled 2023 · 2025 report, page 3 | 0.0071 ppm | — | 0.3 ppm guideline | Within the guideline |
| Nitrate (as N)highest measured · range 0.13 to 0.13 · 2025 report, page 2 | 0.13 ppm | 10 ppm | 10 ppm | Below the health goal |
| Sulfatehighest measured · range 17.6 to 17.6 · sampled 2023 · 2025 report, page 3 | 17.6 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidshighest measured · range 129 to 129 · sampled 2023 · 2025 report, page 3 | 129 ppm | — | 500 ppm guideline | Within the guideline |
| Zinchighest measured · range 0.0012 to 0.0012 · sampled 2023 · 2025 report, page 3 | 0.0012 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 63.9 to 63.9 · sampled 2023 · 2025 report, page 3 | 63.9 ppm | None set | None | No health limit |
| Calciumhighest measured · range 15.4 to 15.4 · sampled 2023 · 2025 report, page 3 | 15.4 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 6.2 to 6.2 · sampled 2023 · 2025 report, page 3 | 6.2 gpg (106 ppm) | — | — | Moderately hard |
| Magnesiumhighest measured · range 16.5 to 16.5 · sampled 2023 · 2025 report, page 3 | 16.5 ppm | None set | None | No health limit |
| Potassiumhighest measured · range 3.31 to 3.31 · sampled 2023 · 2025 report, page 3 | 3.31 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 10.5 to 10.5 · sampled 2023 · 2025 report, page 3 | 10.5 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. 1 number we weren’t sure about is held back until a person checks.
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.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
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