Jefferson Co Pwsd 8 water quality

Updated 2026-10-22 · Missouri · Affiliate disclosure

We read 18 results from Jefferson Co Pwsd 8’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.

Serves about 4,733 people · Water system ID MO6024300 · 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.

ContaminantResultHealth goalLegal limitWhat it means
Fluoridehighest measured · range 0.69 to 1.25 · sampled 2023 · 2025 report, page 21.25 ppm1 ppm4 ppmAbove the health goal1.3x the health goal
Lead90th percentile of homes tested, 0 over the action level · sampled 2024 · Customer taps · 2025 report, page 22.48 ppb0.2 ppb15 ppb (action level)Above the health goal12x the health goal
Bariumhighest measured · range 0.14 to 0.17 · sampled 2023 · 2025 report, page 20.17 ppm2 ppm2 ppmBelow the health goal
Chloridehighest measured · range ND to 7.45 · sampled 2023 · 2025 report, page 27.45 ppm—250 ppm guidelineWithin the guideline
Copper90th percentile of homes tested, 0 over the action level · sampled 2024 · Customer taps · 2025 report, page 20.16 ppm0.3 ppm1.3 ppm (action level)Below the health goal
Ironhighest measured · range ND to 0.02 · sampled 2023 · 2025 report, page 20.02 ppm—0.3 ppm guidelineWithin the guideline
Manganesehighest measured · range ND to 0.0012 · sampled 2023 · 2025 report, page 20.0012 ppm—0.05 ppm guidelineWithin the guideline
Nitrate (as N)highest measured · range 0.03 to 0.2 · 2025 report, page 20.2 ppm10 ppm10 ppmBelow the health goal
pHhighest measured · range 7.65 to 8.12 · sampled 2023 · 2025 report, page 28.12——Normal range
Sulfatehighest measured · range 15.6 to 20.2 · sampled 2023 · 2025 report, page 220.2 ppm—250 ppm guidelineWithin the guideline
Total dissolved solidshighest measured · range 272 to 310 · sampled 2023 · 2025 report, page 2310 ppm—500 ppm guidelineWithin the guideline
Zinchighest measured · range 0.0044 to 0.07 · sampled 2023 · 2025 report, page 20.07 ppm—5 ppm guidelineWithin the guideline
Alkalinityhighest measured · range 276 to 353 · sampled 2023 · 2025 report, page 2353 ppmNone setNoneNo health limit
Calciumhighest measured · range 60.9 to 64.1 · sampled 2023 · 2025 report, page 264.1 ppmNone setNoneNo health limit
Hardnesshighest measured · range 16 to 18 · sampled 2023 · 2025 report, page 218 gpg (308 ppm)——Very hard
Magnesiumhighest measured · range 29.5 to 35.8 · sampled 2023 · 2025 report, page 235.8 ppmNone setNoneNo health limit
Potassiumhighest measured · range 1.54 to 1.97 · sampled 2023 · 2025 report, page 21.97 ppmNone setNoneNo health limit
Sodiumhighest measured · range 3.9 to 7.75 · sampled 2023 · 2025 report, page 27.75 ppmNone setNoneNo 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.

See filters that remove itDo water filters remove fluoride?

Lead

Found: Lead

What removes it: Certified carbon block or RO.

See filters that remove itWhat water filter removes lead?

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