- EPA's UCMR 5 testing looked for 30 contaminants here and found 7.
- Lithium: found in 2 of 8 samples, average 2.33 µg/L, highest 9.45 µg/L (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFPeA (a PFAS): found in 6 of 8 samples, average 3.8 ppt, highest 6.9 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFBS (a PFAS): found in 6 of 8 samples, average 3.4 ppt, highest 6.3 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFHxA (a PFAS): found in 6 of 8 samples, average 3.3 ppt, highest 5.9 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFOA (a PFAS): found in 4 of 8 samples, average 2.5 ppt, highest 5.8 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFOS (a PFAS): found in 1 of 8 samples, average 0.60 ppt, highest 4.6 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- PFHxS (a PFAS): found in 1 of 8 samples, average 0.40 ppt, highest 3.6 ppt (EPA UCMR 5 testing, Jun 2024–Mar 2025)
- Lead, 90th percentile: 1.52 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.
Public EPA test results
Can you drink Ephrata tap water? What EPA records show
EPA PA7360045 · serves Lancaster County, PA · about 24,500 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
Ephrata Area Joint Authority (EPA PA7360045)
EPA data as of October 14, 2026. For Ephrata's main utility, Ephrata Area Joint Authority: We found no health-based violations in EPA's records for this system (PA7360045) since July 1, 2021, as of October 14, 2026. EPA's UCMR 5 testing looked for 30 contaminants here and found 7. This is public data, not a test of your tap.
What EPA records show for Ephrata Area Joint Authority, as of October 14, 2026
We found no health-based violations in EPA's records for this system (PA7360045) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Ephrata Area Joint Authority (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 1.52 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.
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.
Your water bill names your utility.
Does Ephrata Area Joint Authority use chloramine?
We didn't find chloramine in Ephrata Area Joint Authority's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.