We read 12 results from City of Stephenville’s 2025 water quality report. No results over a legal limit; 4 above a health goal or guideline.
Serves about 23,110 people · Water system ID TX0720002 · 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 alpha (radioactivity)highest measured · range 5 to 7 · sampled 2023 · Wells · 2025 report, page 5 | 7 pCi/L | 0 pCi/L | 15 pCi/L | Above the health goalThe health goal is zero |
| Gross beta (radioactivity)highest measured · range 5 to 7 · sampled 2023 · Wells · 2025 report, page 5 | 7 pCi/L | 0 pCi/L | 50 pCi/L | Above the health goalThe health goal is zero |
| Radium (combined 226 + 228)highest measured · range ND to 2.33 · sampled 2023 · Wells · 2025 report, page 5 | 2.33 pCi/L | 0 pCi/L | 5 pCi/L | Above the health goalThe health goal is zero |
| Uraniumhighest measured · range 3.2 to 4.6 · sampled 2023 · Wells · 2025 report, page 5 | 4.6 ppb | 0.6 ppb | 30 ppb | Above the health goal7.7x the health goal |
| Bariumhighest measured · range 0.1 to 0.14 · Wells · 2025 report, page 4 | 0.14 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorineaverage · range 1.38 to 1.94 · Distribution system · 2025 report, page 5 | 1.63 ppm | None set | 4 ppm | Below the legal limit |
| Chromium (total)highest measured · range ND to 2.4 · Wells · 2025 report, page 4 | 2.4 ppb | None set | 100 ppb | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 4 | 0.13 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range ND to 5.3 · Distribution system · 2025 report, page 4 | 5 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range ND to 21.3 · Distribution system · 2025 report, page 4 | 16 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · Wells · 2025 report, page 4 | 0.34 ppm | 1 ppm | 4 ppm | Below the health goal |
| Nitrate (as N)highest measured · range 0.32 to 0.69 · Wells · 2025 report, page 4 | 0.69 ppm | 10 ppm | 10 ppm | 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. 1 number we weren’t sure about is held back until a person checks.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in City of Stephenville’s water between Mar 2025 and Dec 2025. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- Lithium15.8 ppbFound in 10 of 10 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 alpha (radioactivity), Gross beta (radioactivity), Radium (combined 226 + 228), Uranium
What removes it: Reverse osmosis.
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