We read 7 results from Lathrop Pws’s 2025 water quality report. No results over a legal limit; 1 above a health goal or guideline.
Serves about 2,945 people · Water system ID MO1010453 · 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 |
|---|---|---|---|---|
| Atrazinehighest measured · range ND to 0.27 · Purchased water (wholesaler) · 2025 report, page 2 | 0.27 ppb | 0.15 ppb | 3 ppb | Above the health goal1.8x the health goal |
| Bariumhighest measured · range 0.01 to 0.01 · Purchased water (wholesaler) · 2025 report, page 2 | 0.01 ppm | 2 ppm | 2 ppm | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 21.8 to 21.8 · DBPDUAL-01 · 2025 report, page 2 | 22 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 14.6 to 14.6 · DBPDUAL-01 · 2025 report, page 2 | 15 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.75 to 0.75 · Purchased water (wholesaler) · 2025 report, page 2 | 0.75 ppm | 1 ppm | 4 ppm | Below the health goal |
| Nitrate (as N)highest measured · range 0.93 to 0.93 · Purchased water (wholesaler) · 2025 report, page 2 | 0.93 ppm | 10 ppm | 10 ppm | Below the health goal |
| Seleniumhighest measured · range 1.95 to 1.95 · Purchased water (wholesaler) · 2025 report, page 2 | 1.95 ppb | 30 ppb | 50 ppb | Below the health goal |
Utility results describe the whole system, measured where water enters the pipes, not your tap. Your home’s plumbing can add lead or copper. 24 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.
Industrial chemicals and pesticides
Found: Atrazine
What removes it: Carbon block or RO.
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