We read 9 results from City of Sterling Heights’s 2024 water quality report. No results over a legal limit; 1 above a health goal or guideline.
Serves about 127,000 people · Water system ID MI0006385 · 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 |
|---|---|---|---|---|
| PFOA (a PFAS)highest measured · range ND to 2 · sampled 2025 · GLWA plant finished water · 2024 report, page 1 | 2 ppt | 0.007 ppt | 8 ppt (Michigan) now; 4 ppt from 2029 | Above the health goal286x the health goal |
| Chloraminehighest running annual average · range 0.81 to 1.07 · sampled 2025 · Distribution system · 2024 report, page 1 | 1.02 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · sampled 2025 · Customer taps · 2024 report, page 1 | Not detected | 0.3 ppm | 1.3 ppm (action level) | Not detected |
| Disinfection byproducts (HAA5)highest running annual average · range 11 to 22 · sampled 2025 · Distribution system · 2024 report, page 1 | 17 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 17 to 47 · sampled 2025 · Distribution system · 2024 report, page 1 | 35 ppb | None set | 80 ppb | Below the legal limit |
| Fluoridesingle sample · sampled 2025 · GLWA plant finished water · 2024 report, page 1 | 0.58 ppm | 1 ppm | 4 ppm | Below the health goal |
| Lead90th percentile of homes tested, 0 over the action level · sampled 2025 · Customer taps · 2024 report, page 1 | Not detected | 0.2 ppb | 15 ppb (action level) | Not detected |
| Nitrate (as N)single sample · sampled 2025 · GLWA plant finished water · 2024 report, page 1 | 0.33 ppm | 10 ppm | 10 ppm | Below the health goal |
| Sodiumsingle sample · sampled 2025 · GLWA plant finished water · 2024 report, page 1 | 5.3 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.
PFAS ("forever chemicals")
Found: PFOA (a PFAS)
What removes it: Reverse osmosis.
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