We read 12 results from Jericho Underhill Water’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 825 people · Water system ID VT0005096 · 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 0.28 to 1.6 · 2025 report | 1.6 ppm | 1 ppm | 4 ppm | Above the health goal1.6x the health goal |
| Manganesehighest measured · range 0.11 to 0.11 · printed as 110 ppb · 2025 report | 0.11 ppm | — | 0.05 ppm guideline | Above the guideline2.2x the guideline (taste, odor or stains; not a health limit) |
| Chlorinehighest running annual average · range 0.31 to 0.48 · Distribution system · 2025 report | 0.39 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · sampled 2024 · Customer taps · 2025 report | 0.19 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (TTHM)highest running annual average · range 9 to 9 · 38 POKER HILL RD · 2025 report | 9 ppb | None set | 80 ppb | Below the legal limit |
| Ironhighest measured · range 0.06 to 0.06 · 2025 report | 0.06 ppm | — | 0.3 ppm guideline | Within the guideline |
| Lead90th percentile of homes tested, 0 over the action level · sampled 2024 · Customer taps · 2025 report | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| PFHxS (a PFAS)single sample · sampled 2023 · Entry point · 2025 report | Not detected | None set | 20 ppt (Vermont) now; 10 ppt from 2029 | Not detected |
| PFNA (a PFAS)single sample · sampled 2023 · Entry point · 2025 report | Not detected | None set | 20 ppt (Vermont) now; 10 ppt from 2029 | Not detected |
| PFOA (a PFAS)single sample · sampled 2023 · Entry point · 2025 report | Not detected | 0.007 ppt | 20 ppt (Vermont) now; 4 ppt from 2029 | Not detected |
| PFOS (a PFAS)single sample · sampled 2023 · Entry point · 2025 report | Not detected | 1 ppt | 20 ppt (Vermont) now; 4 ppt from 2029 | Not detected |
| PFHpA (a PFAS)single sample · sampled 2023 · Entry point · 2025 report | Not detected | 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.
Sediment or cloudy water
Found: Manganese
What removes it: Oxidation filter.
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