We read 9 results from Chesterfield Township’s 2025 water quality report. No results over a legal limit or above a health goal.
Serves about 41,650 people · Water system ID MI0001390 · 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 |
|---|---|---|---|---|
| Bariumsingle sample · listed as a violation in the report · sampled 2017 · Lake Huron plant · 2025 report, page 13 | 0.01 ppm | 2 ppm | 2 ppm | Below the health goal |
| Chlorinehighest running annual average · range 0.92 to 1.07 · listed as a violation in the report · Distribution system · 2025 report, page 13 | 1.02 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of 30 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2025 report, page 17 | 0.1 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 5.2 to 22 · listed as a violation in the report · Distribution system · 2025 report, page 13 | 14.3 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 17 to 73 · listed as a violation in the report · Distribution system · 2025 report, page 13 | 57.5 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridesingle sample · listed as a violation in the report · Lake Huron plant · 2025 report, page 13 | 0.58 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lead90th percentile of 30 homes tested, 0 over the action level · listed as a violation in the report · Customer taps · 2025 report, page 17 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Nitrate (as N)single sample · listed as a violation in the report · Lake Huron plant · 2025 report, page 13 | 0.33 ppm | 10 ppm | 10 ppm | Below the health goal |
| Sodiumsingle sample · Lake Huron plant · 2025 report, page 13 | 4.8 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 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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