Is Mukilteo, Washington tap water safe?
2 water systems report serving Mukilteo. Your water depends on which one serves your address. Check your bill if unsure. This list is matched from the ZIP codes in this place, so it may include nearby systems.
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Mukilteo Water & Wastewater Distr
Serves 31,437 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits.
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Hat Island Community Inc
Serves 348 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2023).