We read 22 results from Scott County Pwsd 4’s 2025 water quality report. No results over a legal limit; 1 above a health goal or guideline.
Serves about 3,150 people · Water system ID MO4021566 · 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 |
|---|---|---|---|---|
| Arsenichighest measured · range ND to 2.48 · sampled 2024 · Purchased water (wholesaler), highest of 2 sources · 2025 report, page 3 | 2.48 ppb | 0.004 ppb | 10 ppb | Above the health goal620x the health goal |
| Bariumhighest measured · range 0.1 to 0.42 · sampled 2024 · Purchased water (wholesaler), highest of 2 sources · 2025 report, page 3 | 0.42 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloridehighest measured · range 8.42 to 8.42 · sampled 2024 · 2025 report, page 3 | 8.42 ppm | — | 250 ppm guideline | Within the guideline |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 2 | 0.03 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 13.3 to 13.3 · DBPDUAL-01, highest of 2 sources · 2025 report, page 2 | 13 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 23.9 to 23.9 · DBPDUAL-01, highest of 2 sources · 2025 report, page 2 | 24 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.36 to 0.89 · sampled 2024 · Purchased water (wholesaler), highest of 2 sources · 2025 report, page 3 | 0.89 ppm | 1 ppm | 4 ppm | Below the health goal |
| Ironhighest measured · range 0.0097 to 0.0097 · sampled 2024 · 2025 report, page 3 | 0.0097 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 ND to 0.03 · Purchased water (wholesaler) · 2025 report, page 3 | 0.03 ppm | 10 ppm | 10 ppm | Below the health goal |
| pHhighest measured · range 7.99 to 7.99 · sampled 2024 · 2025 report, page 3 | 7.99 | — | — | Normal range |
| Sulfatehighest measured · range 20.9 to 20.9 · sampled 2024 · 2025 report, page 3 | 20.9 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidshighest measured · range 133 to 133 · sampled 2024 · 2025 report, page 3 | 133 ppm | — | 500 ppm guideline | Within the guideline |
| Trichloroethylene (TCE)highest measured · range ND to 0.54 · Purchased water (wholesaler) · 2025 report, page 3 | 0.54 ppb | 1.7 ppb | 5 ppb | Below the health goal |
| Zinchighest measured · range 0.0062 to 0.0062 · sampled 2024 · 2025 report, page 3 | 0.0062 ppm | — | 5 ppm guideline | Within the guideline |
| Alkalinityhighest measured · range 202 to 202 · sampled 2024 · 2025 report, page 3 | 202 ppm | None set | None | No health limit |
| Calciumhighest measured · range 31 to 31 · sampled 2024 · 2025 report, page 3 | 31 ppm | None set | None | No health limit |
| Hardnesshighest measured · range 5.91 to 5.91 · sampled 2024 · 2025 report, page 3 | 5.91 gpg (101 ppm) | — | — | Moderately hard |
| Magnesiumhighest measured · range 5.6 to 5.6 · sampled 2024 · 2025 report, page 3 | 5.6 ppm | None set | None | No health limit |
| Nickelhighest measured · range 1.59 to 1.59 · printed as 0.00159 MG/L · sampled 2024 · 2025 report, page 3 | 1.59 ppb | None set | None | No health limit |
| Potassiumhighest measured · range 1.18 to 1.18 · sampled 2024 · 2025 report, page 3 | 1.18 ppm | None set | None | No health limit |
| Sodiumhighest measured · range 7.07 to 7.07 · sampled 2024 · 2025 report, page 3 | 7.07 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. 16 numbers we weren’t sure about are 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.
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