We read 17 results from City of Cedar Park’s 2024 water quality report. No results over a legal limit; 4 above a health goal or guideline.
Serves about 81,257 people · Water system ID TX2460009 · Read the district’s 2024 report (opens in a new tab)
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Results from the 2024 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 · listed as a violation in the report · sampled 2023 · Customer taps · 2024 report, page 2 | 0.62 ppm | 0.3 ppm | 1.3 ppm (action level) | Above the health goal2.1x the health goal |
| Gross beta (radioactivity)single sample · sampled 2023 · Water treatment plant · 2024 report, page 2 | 4.6 pCi/L | 0 pCi/L | 50 pCi/L | Above the health goalThe health goal is zero |
| Lead90th percentile of homes tested, 0 over the action level · listed as a violation in the report · sampled 2023 · Customer taps · 2024 report, page 2 | 3.95 ppb | 0.2 ppb | 15 ppb (action level) | Above the health goal20x the health goal |
| Total coliform bacteriahighest month · Distribution system · 2024 report, page 2 | 1.1 % positive | 0 % positive | 5 % positive | Above the health goalThe health goal is zero |
| Bariumsingle sample · Water treatment plant · 2024 report, page 2 | 0.06 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chloramineaverage · range 2.65 to 3.41 · Distribution system · 2024 report, page 2 | 3.09 ppm | None set | 4 ppm | Below the legal limit |
| Chlorideaverage · Water treatment plant · 2024 report, page 3 | 52 ppm | — | 250 ppm guideline | Within the guideline |
| Disinfection byproducts (HAA5)highest running annual average · range 14.8 to 40.8 · Distribution system · 2024 report, page 2 | 23 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 38.2 to 97.8 · Distribution system · 2024 report, page 2 | 69.3 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridesingle sample · Water treatment plant · 2024 report, page 2 | 0.61 ppm | 1 ppm | 4 ppm | Below the health goal |
| Nitrate (as N)average · range ND to 0.21 · Water treatment plant · 2024 report, page 2 | 0.11 ppm | 10 ppm | 10 ppm | Below the health goal |
| Sulfateaverage · Water treatment plant · 2024 report, page 3 | 27 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidsaverage · Water treatment plant · 2024 report, page 3 | 286 ppm | — | 500 ppm guideline | Within the guideline |
| Turbidity (cloudiness)highest measured · Water treatment plant · 2024 report, page 2 | 0.21 NTU | None set | 1 NTU | Below the legal limit |
| Hardnessaverage · Water treatment plant · 2024 report, page 3 | 10.7 gpg (183 ppm) | — | — | Very hard |
| PFBA (a PFAS)average · range ND to 5 · Entry point (UCMR5) · 2024 report, page 3 | 1.25 ppt | None set | None | No health limit |
| Sodiumaverage · Water treatment plant · 2024 report, page 3 | 28 ppm | 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.
Lead
Found: Copper, Lead
What removes it: Reverse osmosis or Certified carbon block or RO.
Radium and uranium
Found: Gross beta (radioactivity)
What removes it: Reverse osmosis.
Bacteria and viruses
Found: Total coliform bacteria
What removes it: UV purification (and tell your utility).
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