- EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
- PFOA (a PFAS): found in 7 of 8 samples, average 7 ppt, highest 11 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFPeA (a PFAS): found in 4 of 8 samples, average 4.3 ppt, highest 11.4 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFOS (a PFAS): found in 5 of 8 samples, average 3.4 ppt, highest 7.9 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFHxA (a PFAS): found in 4 of 8 samples, average 3.3 ppt, highest 8 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFBA (a PFAS): found in 3 of 8 samples, average 2.7 ppt, highest 8 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFHxS (a PFAS): found in 3 of 8 samples, average 1.6 ppt, highest 5.2 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFHpA (a PFAS): found in 3 of 8 samples, average 1.5 ppt, highest 4.7 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- PFBS (a PFAS): found in 2 of 8 samples, average 0.80 ppt, highest 3.1 ppt (EPA UCMR 5 testing, Apr 2023–Jan 2024)
- Lead, 90th percentile: 1.31 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2026–Jun 30, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
- Health-based violation: Lead and Copper Rule, Lead and Copper Rule, Jul 2024–Dec 2025 (EPA SDWIS)
Public EPA test results
What EPA records show for East Hanover TWP Water Dept
EPA NJ1410001 · serves East Hanover Twp.-1410, NJ · about 11,393 people (EPA SDWIS)
This report shows EPA's federal records for this water system: UCMR 5 testing, lead testing and violations. It isn't a test of the water at your tap, and it has no Water Score.
Public EPA test results
East Hanover TWP Water Dept (EPA NJ1410001)
What EPA records show for East Hanover TWP Water Dept, as of October 14, 2026
Health-based violation: Lead and Copper Rule, Lead and Copper Rule, Jul 2024–Dec 2025 (EPA SDWIS).
Lead, 90th percentile: 1.31 ppb at the latest result in EPA records for a monitoring period that ran on or after July 1, 2021, at or below EPA's 15 ppb action level (EPA SDWIS, monitoring period Jan 1, 2026–Jun 30, 2026). The 90th percentile is a system-wide measure from homes sampled under EPA's lead rule; it isn't a result for your home.
This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
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 East Hanover TWP Water Dept use chloramine?
We didn't find chloramine in East Hanover TWP Water Dept'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)
Source: EPA SDWIS (ECHO SDWA bulk download), data as of Oct 14, 2026
Source: EPA UCMR 5 occurrence data, data as of Oct 15, 2026
These are EPA's public records for this water system, shown as of October 14, 2026. If you represent this utility, or think a record here is wrong, tell us: Report an error. If the error is in EPA's own records, your state drinking water program can correct it there, and this page updates at our next data refresh.
Sources
- EPA ECHO detailed facility report: East Hanover TWP Water Dept (NJ1410001), July to September 2026 extract
- EPA SDWIS (ECHO SDWA bulk download), July to September 2026 extract
- EPA UCMR 5 occurrence data, samples through June 2026
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