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Essex County, New Jersey: drinking water records

This overview covers 31 ZIP codes and 23 community water systems in Essex County. It also stands in for 0 ZIP codes whose utility has too little EPA data for a page of its own.

In focus31ZIP codes in this overview
Public records. Clearer context.
18
systems in EPA's PFAS survey
15
systems where PFAS was found
12
systems at or above the PFOA or PFOS limit, on the yearly-average basis EPA uses
12
systems that have reached the lead action level
11
systems with a health-based violation since 2016

System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.

Water systems with the most complete records

Water systemPeople servedPFAS survey resultsPFAS foundHealth-based violationsLead, 9 in 10 homes at or below
Newark Water Department NJ0714001294,2742401160 ppb
Bloomfield Water Department NJ070200153,3151200191.3 ppb
Montclair Water Bureau NJ071300140,150240510 ppb
Belleville Water Dept NJ070100135,129950251.7 ppb
Orange Water Dept NJ071700130,134180510 ppb
Nutley Water Dept NJ071600129,5001090.6 ppb
Verona Water Department NJ072000113,641240820 ppb
Cedar Grove Water Dept NJ070400112,900240330 ppb
West Caldwell Water Department NJ072100110,759120540 ppb
Nj American Water - Short Hills NJ0712001217,230900703 ppb
East Orange Water Commission NJ070500175,00060202.7 ppb
Livingston TWP Div of Water NJ071000127,391630804.2 ppb
South Orange Water Department NJ071900116,964120302 ppb
Caldwell Water Dept NJ07030019,027120601.9 ppb
Glen Ridge Water Dept NJ07080017,681120500 ppb
Fairfield Water Dept NJ07070017,400120800 ppb
North Caldwell Water Dep NJ07150016,000120402.9 ppb
Roseland Water Dept NJ07180015,300120201.3 ppb
Hillandale Mobile Home Park MD00602062200010 ppb
Ivy Woods CT14292012070012 ppb
Essex Fells Water Dept NJ07060012,2000002.4 ppb
Essex Fells Water Hilltop System NJ07060023540000 ppb
North Caldwell - Hilltop NJ07150022080005.5 ppb

ZIP reports in Essex County

No ZIP report in this county is published yet.

Sources and scope

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.

Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.

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