We read 20 results from Charlotte Water’s 2025 water quality report. No results over a legal limit or above a health goal.
Serves about 1,163,701 people · Water system ID NC0160010 · 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 |
|---|---|---|---|---|
| Aluminumaverage · range 0.02 to 0.04 · printed as 24 ppb · Entry points · 2025 report, page 8 | 0.02 ppm | — | 0.2 ppm guideline | Within the guideline |
| Chlorideaverage · range 5.5 to 6.8 · Entry points · 2025 report, page 8 | 6.4 ppm | — | 250 ppm guideline | Within the guideline |
| Chlorinehighest running annual average · range 0.47 to 1.6 · Distribution system · 2025 report, page 6 | 1.04 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2025 report, page 5 | Not detected | 0.3 ppm | 1.3 ppm (action level) | Not detected |
| Disinfection byproducts (HAA5)highest running annual average · range 10.4 to 24.5 · Distribution system · 2025 report, page 6 | 22.9 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 17.2 to 77.4 · Distribution system · 2025 report, page 6 | 63.7 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.04 to 0.81 · Entry points · 2025 report, page 6 | 0.65 ppm | 1 ppm | 4 ppm | Below the health goal |
| Ironaverage · range ND to 0.04 · printed as 5.7 ppb · Entry points · 2025 report, page 8 | 0.0057 ppm | — | 0.3 ppm guideline | Within the guideline |
| Lead90th percentile of homes tested, 1 over the action level · Customer taps · 2025 report, page 5 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Manganesehighest measured · printed as 4.5 ppb · Outside lab, highest · 2025 report, page 9 | 0.0045 ppm | — | 0.05 ppm guideline | Within the guideline |
| pHaverage · range 7.4 to 9.5 · Entry points · 2025 report, page 8 | 8.5 | — | — | Normal range |
| Sulfateaverage · range 8.5 to 9.9 · Entry points · 2025 report, page 8 | 9.5 ppm | — | 250 ppm guideline | Within the guideline |
| Total dissolved solidsaverage · range 52 to 66 · Entry points · 2025 report, page 8 | 59 ppm | — | 500 ppm guideline | Within the guideline |
| Turbidity (cloudiness)highest measured · Water treatment plants · 2025 report, page 7 | 0.27 NTU | None set | 1 NTU | Below the legal limit |
| Alkalinityaverage · range 17 to 25 · Entry points · 2025 report, page 8 | 21 ppm | None set | None | No health limit |
| Conductivityaverage · range 84 to 101 · Entry points · 2025 report, page 8 | 95 µS/cm | None set | None | No health limit |
| Hardnessaverage · range 1.58 to 2.05 · Entry points · 2025 report, page 8 | 1.87 gpg (32 ppm) | — | — | Soft |
| PFBA (a PFAS)average · range ND to 9.7 · sampled 2024 · Entry points (UCMR 5) · 2025 report, page 7 | 0.75 ppt | None set | None | No health limit |
| PFPeA (a PFAS)average · range ND to 3.4 · sampled 2024 · Entry points (UCMR 5) · 2025 report, page 7 | 0.67 ppt | None set | None | No health limit |
| Sodiumaverage · range 2.1 to 4.5 · Entry points · 2025 report, page 8 | 3.6 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. 2 numbers we weren’t sure about are held back until a person checks.
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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