Is Cedar Grove, New Jersey tap water safe?
5 water systems report serving Cedar Grove. 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.
F
Verona Water Department
Serves 13,641 people · Surface water · Full report →
2 health-based violations in the last 5 years; 44 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Other PFAS above 2024 limits (rule proposed for repeal): PFHxS, Hazard Index; Lead 90th percentile below the action level (2026).
C
Cedar Grove Water Dept
Serves 12,900 people · Surface water · Full report →
3 health-based violations in the last 5 years; 3 monitoring/reporting violations; 2 not yet resolved; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2026).
B
Nj American Water - Little Falls
Serves 11,247 people · Surface water · Full report →
No health-based violations in the last 5 years; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2024).
C
North Caldwell Water DEP
Serves 6,000 people · Surface water · Full report →
No health-based violations in the last 5 years; 3 monitoring/reporting violations; PFOA/PFOS average above the 4 ppt federal limit: PFOA; Lead 90th percentile below the action level (2023).
A
Essex Fells Water Hilltop System
Serves 354 people · Surface water · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2026).