We read 11 results from City of Hutto’s 2025 water quality report. No results over a legal limit; 2 above a health goal or guideline.
Serves about 16,638 people · Water system ID TX2460007 · 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 |
|---|---|---|---|---|
| Gross beta (radioactivity)highest measured · sampled 2022 · 2025 report, page 2 | 7.1 pCi/L | 0 pCi/L | 50 pCi/L | Above the health goalThe health goal is zero |
| Radium-228highest measured · 2025 report, page 2 | 1.1 pCi/L | 0.02 pCi/L | 5 pCi/L | Above the health goal58x the health goal |
| Bariumhighest measured · range 0.11 to 0.11 · 2025 report, page 2 | 0.11 ppm | 2 ppm | 2 ppm | Below the health goal |
| Copper90th percentile of homes tested, 0 over the action level · sampled 2023 · 2025 report, page 2 | 0.19 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Cyanidehighest measured · 2025 report, page 2 | 30 ppb | 150 ppb | 200 ppb | Below the health goal |
| DEHP (a phthalate)highest measured · range 0.61 to 0.61 · 2025 report, page 2 | 0.61 ppb | 12 ppb | 6 ppb | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · 2025 report, page 2 | 3 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · 2025 report, page 2 | 8 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.17 to 0.17 · 2025 report, page 2 | 0.17 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lithiumaverage · range 21.9 to 24.1 · sampled 2023 · 2025 report, page 2 | 23 ppb | None set | None | No health limit |
| Nickelhighest measured · printed as 0.0015 mg/L · 2025 report, page 2 | 1.5 ppb | 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.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in City of Hutto’s water between Oct 2023 and Jul 2024. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- Lithium34.8 ppbFound in 8 of 8 samples · highest resultAbove EPA’s health reference level of 10 ppb (a guide, not a legal limit)
Source: EPA UCMR 5 occurrence data. The highest single result is shown; one high sample doesn’t mean every glass is that high.
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.
Radium and uranium
Found: Gross beta (radioactivity), Radium-228
What removes it: Reverse osmosis.
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