We read 10 results from City of Harker Heights’s 2025 water quality report. No results over a legal limit; 1 above a health goal or guideline.
Serves about 34,834 people · Water system ID TX0140023 · 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 |
|---|---|---|---|---|
| Cyanidehighest measured · range 50 to 160 · listed as a violation in the report · Treated water · 2025 report, page 6 | 160 ppb | 150 ppb | 200 ppb | Above the health goal1.1x the health goal |
| Atrazinehighest measured · range 0.1 to 0.11 · listed as a violation in the report · Treated water · 2025 report, page 7 | 0.11 ppb | 0.15 ppb | 3 ppb | Below the health goal |
| Bariumhighest measured · range 0.05 to 0.06 · listed as a violation in the report · Treated water · 2025 report, page 6 | 0.06 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloramineaverage · range 1.78 to 4.23 · listed as a violation in the report · Distribution system · 2025 report, page 8 | 3.68 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2023 · Customer taps · 2025 report, page 9 | 0.02 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 12 to 33.5 · listed as a violation in the report · Distribution system · 2025 report, page 8 | 33.5 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 25.9 to 38.7 · listed as a violation in the report · Distribution system · 2025 report, page 8 | 38.7 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridehighest measured · range 0.16 to 0.19 · listed as a violation in the report · Treated water · 2025 report, page 6 | 0.19 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lead90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2023 · Customer taps · 2025 report, page 9 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Nitrate (as N)highest measured · range 0.34 to 0.36 · listed as a violation in the report · Treated water · 2025 report, page 6 | 0.36 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.
EPA testing for PFAS and lithium
EPA’s own nationwide testing (UCMR 5) found these in City of Harker Heights’s water between Mar 2023 and May 2024. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- PFHxS4.8 pptFound in 2 of 4 samples · highest resultNo federal limit in force for this one
- PFBS3.4 pptFound in 1 of 4 samples · highest resultNo federal limit in force for this one
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 in this report is above a health goal or legal limit. If you’re bothered by taste, smell, hardness or spots, or your home has older pipes, the filter catalog and buyer questions can help you pick, and a test of your own tap shows what your plumbing adds.
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