We read 9 results from Town of Flower Mound’s 2022 water quality report. No results over a legal limit; 3 above a health goal or guideline.
Serves about 80,000 people · Water system ID TX0610023 · Read the district’s 2022 report (opens in a new tab)
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Results from the 2022 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 |
|---|---|---|---|---|
| Copper90th percentile of homes tested, 0 over the action level · sampled 2020 · Flower Mound customer taps · 2022 report, page 3 | 0.58 ppm | 0.3 ppm | 1.3 ppm (action level) | Above the health goal1.9x the health goal |
| Lead90th percentile of homes tested, 0 over the action level · sampled 2020 · Flower Mound customer taps · 2022 report, page 3 | 2.7 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal14x the health goal |
| Total coliform bacteriahighest month · Flower Mound distribution · 2022 report, page 3 | 2.22 % positive | 0 % positive | 5 % positive | Above the health goalThe health goal is zero |
| Bariumhighest measured · range 0.04 to 0.04 · UTRWD (purchased), highest of 3 sources · 2022 report, page 3 | 0.04 ppm | 2 ppm | 2 ppm | Below the health goal |
| Disinfection byproducts (HAA5)average · range 1 to 17.7 · Flower Mound distribution · 2022 report, page 3 | 5.8 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)average · range 10.7 to 28.4 · Flower Mound distribution · 2022 report, page 3 | 16.7 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.52 to 0.65 · Dallas (purchased), highest of 3 sources · 2022 report, page 3 | 0.6 ppm | 1 ppm | 4 ppm | Below the health goal |
| Nitrate (as N)average · range 0.4 to 1.19 · Dallas (purchased), highest of 3 sources · 2022 report, page 3 | 0.88 ppm | 10 ppm | 10 ppm | Below the health goal |
| Turbidity (cloudiness)highest measured · UTRWD (purchased), highest of 2 sources · 2022 report, page 3 | 0.29 NTU | None set | 1 NTU | Below the legal 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 Town of Flower Mound’s water between Apr 2023 and Aug 2024. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- PFOA4.4 pptFound in 1 of 12 samples · highest resultAbove the federal limit that takes effect in 2029 (4 ppt)
- PFBS5.3 pptFound in 11 of 12 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 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.
Lead
Found: Copper, Lead
What removes it: Reverse osmosis or Certified carbon block or RO.
Bacteria and viruses
Found: Total coliform bacteria
What removes it: UV purification (and tell your utility).
PFAS ("forever chemicals")
Found: PFOA (EPA testing)
What removes it: Reverse osmosis.
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