Tap Water Results

New Jersey tap water quality

555 community water systems serving 8.9 million people.

Data: U.S. EPA · How we read the data · How we check it

110
systems with PFAS above a federal limit
5.1 million
people served by them
245
systems EPA tested for PFAS
4
systems above the lead action level

PFAS: EPA's 2023–2025 testing. Lead: results from the last five years.

Water systems with PFAS above the federal limit

Based on EPA's UCMR 5 results (2023–2025) compared to the April 2024 limits, the way EPA compares them. Systems have until 2029 to comply. Largest first.

And 20 more in the full list of New Jersey utilities below.

New Jersey PFAS report: chart, rankings and data to download →

New Jersey's own PFAS limits

New Jersey enforces its own drinking water limits for PFAS (effective: 2018-09-04 (PFNA), 2020-06-01 (PFOA, PFOS)): PFOA 14 ppt, PFOS 13 ppt, PFNA 13 ppt. The federal limits are 4 ppt for PFOA and PFOS.

N.J.A.C. 7:10-5.2 state MCLs for community and nontransient noncommunity systems. First state PFAS MCL (PFNA, 2018).

Source: NJDEP adoption notice, PFOA/PFOS MCLs (effective June 1, 2020). PFNA adoption: https://dep.nj.gov/wp-content/uploads/rules/adoptions/adopt_20180904a.pdf, checked 2026-11-14. Utility pages compare each system's EPA results with these limits. State compliance is judged on the state's own sampling.

Largest water systems in New Jersey

New Jersey cities and towns

Most health-based violations since 2016

All New Jersey utilities on this site

Every New Jersey system serving 50,000+ people or with PFAS above a federal limit, A to Z. Download all 555 systems as CSV.

Questions

Does New Jersey tap water have PFAS?

EPA tested 245 community water systems in New Jersey for 29 PFAS between 2023 and 2025. 152 had at least one regulated PFAS detected, and 110 had an entry-point average above a 2024 federal limit. Those 110 systems serve about 5.1 million people (57% of people on community water in New Jersey). Systems have until 2029 to meet the limits.

How many New Jersey water systems have violations?

175 systems in New Jersey had at least one health-based violation since 2016 (633 violations in total). 467 violations are currently listed as unaddressed.

Which New Jersey water systems are over the lead action level?

4 systems had a lead 90th percentile above the 15 ppb action level in their most recent results from the last five years. Lead depends on each home's pipes, so a test of your own tap is the only way to know your level.

Source: U.S. EPA drinking water records and PFAS testing (UCMR 5). How we read the data.