We read 22 results from Purdy Pws’s 2025 water quality report. No results over a legal limit; 6 above a health goal or guideline.
Serves about 1,100 people · Water system ID MO5010667 · 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 |
|---|---|---|---|---|
| Gross alpha (radioactivity)highest measured · range 10.1 to 10.1 · sampled 2024 · highest of 2 sources · 2025 report, page 2 | 10.1 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Ironhighest measured · range 0.08 to 0.55 · 2025 report, page 3 | 0.55 ppm | — | 0.3 ppm guideline | Above the guideline1.8x the guideline (taste, odor or stains; not a health limit) |
| Lead90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 1.21 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal6.1x the health goal |
| Radium (combined 226 + 228)highest measured · range 3 to 3 · sampled 2024 · 2025 report, page 2 | 3 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Radium-226highest measured · range 3 to 3 · sampled 2024 · 2025 report, page 2 | 3 pCi/L | 0.05 pCi/L | 5 pCi/L | Above the health goal60x the health goal |
| Uraniumhighest measured · range 1.56 to 2 · sampled 2023 · 2025 report, page 2 | 2 ppb | 0.6 ppb | 30 ppb | Above the health goal3.3x the health goal |
| Bariumhighest measured · range 0.02 to 0.03 · 2025 report, page 2 | 0.03 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloridehighest measured · range ND to 6.49 · 2025 report, page 3 | 6.49 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 0.05 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (TTHM)highest running annual average · range 2.85 to 2.85 · DBPDUAL-01 · 2025 report, page 2 | 3 ppb | None set | 80 ppb | Below the legal limit |
| Manganesehighest measured · range 0.0013 to 0.0093 · 2025 report, page 3 | 0.0093 ppm | — | 0.05 ppm guideline | Within the guideline |
| pHhighest measured · range 7.89 to 8.18 · 2025 report, page 3 | 8.18 | — | — | Normal range |
| Sulfatehighest measured · range 14.3 to 18.1 · 2025 report, page 3 | 18.1 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidshighest measured · range 216 to 220 · 2025 report, page 3 | 220 ppm | — | 500 ppm guideline | Within the guideline |
| Zinchighest measured · range 0.0063 to 0.09 · 2025 report, page 3 | 0.09 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 221 to 456 · 2025 report, page 3 | 456 ppm | None set | None | No health limit |
| Calciumhighest measured · range 46.2 to 47.3 · 2025 report, page 3 | 47.3 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 11.8 to 11.9 · 2025 report, page 3 | 11.9 gpg (203 ppm) | — | — | Very hard |
| Magnesiumhighest measured · range 20.1 to 21.2 · 2025 report, page 3 | 21.2 ppm | None set | None | No health limit |
| Nickelhighest measured · range 1.6 to 3.59 · printed as 0.00359 MG/L · 2025 report, page 3 | 3.59 ppb | None set | None | No health limit |
| Potassiumhighest measured · range 1.39 to 1.51 · 2025 report, page 3 | 1.51 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 4.38 to 6.84 · 2025 report, page 3 | 6.84 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.
Radium and uranium
Found: Gross alpha (radioactivity), Radium (combined 226 + 228), Radium-226, Uranium
What removes it: Reverse osmosis.
Lead
Found: Lead
What removes it: Certified carbon block or RO.
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