We read 9 results from Mukilteo Water & Wastewater Distr’s 2024 water quality report. No results over a legal limit or above a health goal.
Serves about 25,182 people · Water system ID WA5357550 · 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 |
|---|---|---|---|---|
| Chlorineaverage · range 0.17 to 1.12 · Distribution system · 2024 report, page 6 | 0.66 ppm | None set | 4 ppm | Below the legal limit |
| Copper90th percentile of homes tested, 0 over the action level · Customer taps · 2024 report, page 7 | 0.02 ppm | 0.3 ppm | 1.3 ppm (action level) | Below the health goal |
| Disinfection byproducts (HAA5)highest running annual average · range 28.3 to 40.5 · Distribution system · 2024 report, page 6 | 35.3 ppb | None set | 60 ppb | Below the legal limit |
| Disinfection byproducts (TTHM)highest running annual average · range 28.7 to 66.7 · Distribution system · 2024 report, page 6 | 45.4 ppb | None set | 80 ppb | Below the legal limit |
| Fluorideaverage · range 0.5 to 0.8 · Distribution system · 2024 report, page 6 | 0.7 ppm | 1 ppm | 4 ppm | Below the health goal |
| pHaverage · Everett treatment plant · 2024 report, page 7 | 7.6 | — | — | Normal range |
| Turbidity (cloudiness)highest measured · Everett treatment plant · 2024 report, page 6 | 0.05 NTU | None set | 1 NTU | Below the legal limit |
| Bromodichloromethaneaverage · range 1.4 to 2.3 · Distribution system · 2024 report, page 7 | 1.9 ppb | None set | None | No health limit |
| Chloroformaverage · range 27.1 to 64.7 · Distribution system · 2024 report, page 7 | 43.5 ppb | 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. 1 number we weren’t sure about is 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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