- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- PFOS (a PFAS): found in 4 of 4 samples, average 14.9 ppt, highest 20 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFOA (a PFAS): found in 4 of 4 samples, average 10.6 ppt, highest 13 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFBA (a PFAS): found in 3 of 4 samples, average 6.4 ppt, highest 12 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFBS (a PFAS): found in 3 of 4 samples, average 3 ppt, highest 4.7 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- PFHxA (a PFAS): found in 3 of 4 samples, average 2.8 ppt, highest 3.9 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
- Lead, 90th percentile: 1.8 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, 2023–Dec 31, 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: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jul 2025–Nov 2025 (EPA SDWIS)
- Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Apr 2025–Nov 2025 (EPA SDWIS)
Public EPA test results
Can you drink Sheffield tap water? What EPA records show
EPA AL0000327 · serves Sheffield, AL · about 13,758 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
Sheffield Utilities, City of Sheffield (EPA AL0000327)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Sheffield's main utility, Sheffield Utilities, City of Sheffield: 2 health-based violations 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 Sheffield Utilities, City of Sheffield, as of October 14, 2026
2 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 1.8 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, 2023–Dec 31, 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 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 Sheffield Utilities, City of Sheffield use chloramine?
We didn't find chloramine in Sheffield Utilities, City of Sheffield'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)