Is Ridgewood, New Jersey tap water safe?
2 water systems report serving Ridgewood. 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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Ridgewood Water
Serves 61,700 people · Surface water · Full report →
No health-based violations in the last 5 years; 17 monitoring/reporting violations; 3 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2026).
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Ho Ho Kus Water Dept
Serves 4,060 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Other PFAS above 2024 limits (rule proposed for repeal): PFNA, Hazard Index; Lead 90th percentile below the action level (2025).