We read 1 result from Eau Claire Waterworks’s 2025 water quality report. No results over a legal limit or above a health goal.
Serves about 70,587 people · Water system ID WI6180230 · Read the district’s 2025 report (opens in a new tab)
Open this district in the water lookupCompare with your own test results, see the district map and get matched filters.
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 |
|---|---|---|---|---|
| Disinfection byproducts (TTHM)as reported · highest of 2 sources · 2025 report, page 3 | 16 ppb | None set | 80 ppb | 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 Eau Claire Waterworks’s water between Jan 2023 and Jul 2023. These are EPA lab results, separate from the district’s report. Anything not listed was not detected.
- PFHxS11 pptFound in 2 of 2 samples · highest resultNo federal limit in force for this one
- PFBS3 pptFound in 1 of 2 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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