We read 22 results from Moscow Mills Pws’s 2025 water quality report. No results over a legal limit; 4 above a health goal or guideline.
Serves about 4,844 people · Water system ID MO6010547 · 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 1.71 to 1.71 · sampled 2023 · 2025 report, page 2 | 1.71 ppm | 1 ppm | 4 ppm | Above the health goal1.7x the health goal |
| Gross alpha (radioactivity)highest measured · range 6.3 to 7.6 · sampled 2024 · highest of 2 sources · 2025 report, page 2 | 7.6 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Radium (combined 226 + 228)highest measured · range 2.8 to 3.6 · sampled 2024 · 2025 report, page 2 | 3.6 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Radium-226highest measured · range 2.8 to 3.6 · sampled 2024 · 2025 report, page 2 | 3.6 pCi/L | 0.05 pCi/L | 5 pCi/L | Above the health goal72x the health goal |
| 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 54 to 54 · sampled 2023 · 2025 report, page 3 | 54 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 0.08 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 1.1 to 1.1 · DBPDUAL-01 · 2025 report, page 2 | 1 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 4.48 to 4.48 · DBPDUAL-01 · 2025 report, page 2 | 4 ppb | None set | 80 ppb | Below the legal limit |
| Ironhighest measured · range 0.01 to 0.01 · sampled 2023 · 2025 report, page 3 | 0.01 ppm | — | 0.3 ppm guideline | Within the guideline |
| Lead90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Nitrate (as N)highest measured · range 0.02 to 0.02 · 2025 report, page 2 | 0.02 ppm | 10 ppm | 10 ppm | Below the health goal |
| pHhighest measured · range 7.65 to 7.65 · sampled 2023 · 2025 report, page 3 | 7.65 | — | — | Normal range |
| Sulfatehighest measured · range 67.9 to 67.9 · sampled 2023 · 2025 report, page 3 | 67.9 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidshighest measured · range 473 to 473 · sampled 2023 · 2025 report, page 3 | 473 ppm | — | 500 ppm guideline | Within the guideline |
| Zinchighest measured · range 0.01 to 0.01 · sampled 2023 · 2025 report, page 3 | 0.01 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 328 to 328 · sampled 2023 · 2025 report, page 3 | 328 ppm | None set | None | No health limit |
| Calciumhighest measured · range 59.3 to 59.3 · sampled 2023 · 2025 report, page 3 | 59.3 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 16 to 16 · sampled 2023 · 2025 report, page 3 | 16 gpg (273 ppm) | — | — | Very hard |
| Magnesiumhighest measured · range 30.3 to 30.3 · sampled 2023 · 2025 report, page 3 | 30.3 ppm | None set | None | No health limit |
| Potassiumhighest measured · range 10 to 10 · sampled 2023 · 2025 report, page 3 | 10 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 66.8 to 66.8 · sampled 2023 · 2025 report, page 3 | 66.8 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.
Radium and uranium
Found: Gross alpha (radioactivity), Radium (combined 226 + 228), Radium-226
What removes it: Reverse osmosis.
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