We read 22 results from Pilot Knob Pws’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 746 people · Water system ID MO4010643 · 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 |
|---|---|---|---|---|
| Fluoridehighest measured · range 1.52 to 1.52 · sampled 2024 · 2025 report, page 2 | 1.52 ppm | 1 ppm | 4 ppm | Above the health goal1.5x the health goal |
| Lead90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 2.44 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal12x the health goal |
| Aluminumhighest measured · range 0.06 to 0.06 · sampled 2024 · 2025 report, page 3 | 0.06 ppm | — | 0.2 ppm guideline | Within the guideline |
| Bariumhighest measured · range 0.03 to 0.03 · sampled 2024 · 2025 report, page 2 | 0.03 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloridehighest measured · range 8.93 to 8.93 · sampled 2024 · 2025 report, page 3 | 8.93 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 0.13 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 1.11 to 1.11 · DBPDUAL-01 · 2025 report, page 2 | 1 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 6.79 to 6.79 · DBPDUAL-01 · 2025 report, page 2 | 7 ppb | None set | 80 ppb | Below the legal limit |
| Ironhighest measured · range 0.01 to 0.01 · sampled 2024 · 2025 report, page 3 | 0.01 ppm | — | 0.3 ppm guideline | Within the guideline |
| Manganesehighest measured · range 0.0018 to 0.0018 · sampled 2024 · 2025 report, page 3 | 0.0018 ppm | — | 0.05 ppm guideline | Within the guideline |
| Nitrate (as N)highest measured · range 1.21 to 1.21 · 2025 report, page 2 | 1.21 ppm | 10 ppm | 10 ppm | Below the health goal |
| pHhighest measured · range 7.74 to 7.74 · sampled 2024 · 2025 report, page 3 | 7.74 | — | — | Normal range |
| Sulfatehighest measured · range 148 to 148 · sampled 2024 · 2025 report, page 3 | 148 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidshighest measured · range 419 to 419 · sampled 2024 · 2025 report, page 3 | 419 ppm | — | 500 ppm guideline | Within the guideline |
| Zinchighest measured · range 0.03 to 0.03 · sampled 2024 · 2025 report, page 3 | 0.03 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 208 to 208 · sampled 2024 · 2025 report, page 3 | 208 ppm | None set | None | No health limit |
| Calciumhighest measured · range 76.3 to 76.3 · sampled 2024 · 2025 report, page 3 | 76.3 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 18.6 to 18.6 · sampled 2024 · 2025 report, page 3 | 18.6 gpg (318 ppm) | — | — | Very hard |
| Magnesiumhighest measured · range 30.8 to 30.8 · sampled 2024 · 2025 report, page 3 | 30.8 ppm | None set | None | No health limit |
| Nickelhighest measured · range 2.12 to 2.12 · printed as 0.00212 MG/L · sampled 2024 · 2025 report, page 3 | 2.12 ppb | None set | None | No health limit |
| Potassiumhighest measured · range 5.88 to 5.88 · sampled 2024 · 2025 report, page 3 | 5.88 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 16.8 to 16.8 · sampled 2024 · 2025 report, page 3 | 16.8 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.
Fluoride
Found: Fluoride
What removes it: Reverse osmosis.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
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