- EPA's UCMR 5 testing looked for 30 contaminants here and found 13.
- PFOS (a PFAS): found in 7 of 8 samples, average 35.4 ppt, highest 153 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFNA (a PFAS): found in 4 of 8 samples, average 23.3 ppt, highest 99.8 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFPeA (a PFAS): found in 8 of 8 samples, average 14.7 ppt, highest 51.6 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- 6:2 FTS (a PFAS): found in 2 of 8 samples, average 12.9 ppt, highest 64.5 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFHxA (a PFAS): found in 8 of 8 samples, average 12 ppt, highest 41.5 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFOA (a PFAS): found in 8 of 8 samples, average 11 ppt, highest 22.4 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFHxS (a PFAS): found in 5 of 8 samples, average 8.5 ppt, highest 33.2 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFHpA (a PFAS): found in 6 of 8 samples, average 8.4 ppt, highest 30.9 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- 8:2 FTS (a PFAS): found in 2 of 8 samples, average 8.3 ppt, highest 41.9 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFBS (a PFAS): found in 5 of 8 samples, average 5.4 ppt, highest 16.5 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFUnA (a PFAS): found in 3 of 8 samples, average 4.9 ppt, highest 22.2 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFBA (a PFAS): found in 2 of 8 samples, average 2.8 ppt, highest 13.5 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- PFDA (a PFAS): found in 2 of 8 samples, average 1.3 ppt, highest 7 ppt (EPA UCMR 5 testing, Aug 2024–Feb 2025)
- Lead, 90th percentile: 3 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 Jun 1, 2025–Sep 30, 2025). 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: Total Coliform Rules, Revised Total Coliform Rule, Jun 2024–Jul 2024 (EPA SDWIS)
Public EPA test results
Can you drink Emmaus tap water? What EPA records show
EPA PA3390032 · serves Lehigh County, PA · about 14,000 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
Emmaus Borough Public Water (EPA PA3390032)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Emmaus's main utility, Emmaus Borough Public Water: 1 health-based violation since July 1, 2021 in EPA records (EPA SDWIS). This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing.
What EPA records show for Emmaus Borough Public Water, as of October 14, 2026
Health-based violation: Total Coliform Rules, Revised Total Coliform Rule, Jun 2024–Jul 2024 (EPA SDWIS).
Lead, 90th percentile: 3 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 Jun 1, 2025–Sep 30, 2025). 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 13.
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 Emmaus Borough Public Water use chloramine?
We didn't find chloramine in Emmaus Borough Public Water'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)