- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- PFPeA (a PFAS): found in 3 of 8 samples, average 3.5 ppt, highest 13 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
- PFBA (a PFAS): found in 3 of 8 samples, average 3 ppt, highest 8.6 ppt (EPA UCMR 5 testing, Apr 2024–Jan 2025)
Public EPA test results
What EPA records show for Montclair Water Bureau
EPA system ID NJ0713001 · serves Montclair Town-0713, NJ · about 40,150 people (EPA records)
Here's what EPA has on file for this water system: its testing for newer contaminants like PFAS (UCMR 5), lead testing and violations. It's not a test of your tap, and there's no Water Score here.
Public EPA test results
Montclair Water Bureau (EPA NJ0713001)
What EPA records show for Montclair Water Bureau, as of October 14, 2026
Health-standard violation: Lead and Copper Rule, Lead and Copper Rule, Jan 2024–Nov 2024 (EPA SDWIS).
Lead: 9 in 10 homes tested came in at or below 0 ppb, at or below EPA's 15 ppb action level (latest EPA result for a testing period that ran on or after July 1, 2021: Jan 1, 2026–Dec 31, 2026). This is one number for the whole water system, from homes the utility tested. It isn't a result for your home.
EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
Your water bill names your utility.
Does Montclair Water Bureau use chloramine?
We didn't find chloramine in Montclair Water Bureau's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
What EPA records show for this system
Reported results in EPA records (data as of Oct 14–15, 2026)