What EPA records show for PA American Water CO Yardley
EPA PA1090074 · serves Bucks County, PA · about 33,171 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
PA American Water CO Yardley (EPA PA1090074)
What EPA records show for PA American Water CO Yardley, as of October 14, 2026
We found no health-based violations in EPA's records for this system (PA1090074) since July 1, 2021, as of October 14, 2026.
Lead, 90th percentile: 1 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 7.
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026.
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Does PA American Water CO Yardley use chloramine?
EPA treatment records (state-reported) list chloramines for PA American Water CO Yardley. EPA record
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 7.
PFOA (a PFAS): found in 4 of 8 samples, average 4.2 ppt, highest 9.7 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
PFOS (a PFAS): found in 4 of 8 samples, average 2.8 ppt, highest 6.1 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
PFPeA (a PFAS): found in 4 of 8 samples, average 1.9 ppt, highest 5.1 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
PFBS (a PFAS): found in 4 of 8 samples, average 1.8 ppt, highest 4.8 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
PFHxA (a PFAS): found in 4 of 8 samples, average 1.8 ppt, highest 4.8 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
PFBA (a PFAS): found in 1 of 8 samples, average 0.70 ppt, highest 5.4 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
PFHpA (a PFAS): found in 1 of 8 samples, average 0.40 ppt, highest 3 ppt (EPA UCMR 5 testing, Jan 2024–Oct 2024)
Lead, 90th percentile: 1 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.
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.
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