- EPA's UCMR 5 testing looked for 30 contaminants here and found 5.
- PFBA (a PFAS): found in 2 of 2 samples, average 69.5 ppt, highest 85 ppt (EPA UCMR 5 testing, Feb 2023–Aug 2023)
- PFPeA (a PFAS): found in 2 of 2 samples, average 13 ppt, highest 15 ppt (EPA UCMR 5 testing, Feb 2023–Aug 2023)
- PFOA (a PFAS): found in 2 of 2 samples, average 11 ppt, highest 14 ppt (EPA UCMR 5 testing, Feb 2023–Aug 2023) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
- PFBS (a PFAS): found in 2 of 2 samples, average 5 ppt, highest 6.6 ppt (EPA UCMR 5 testing, Feb 2023–Aug 2023)
- PFOS (a PFAS): found in 1 of 2 samples, average 2.1 ppt, highest 4.2 ppt (EPA UCMR 5 testing, Feb 2023–Aug 2023)
- Lead, 90th percentile: 0 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–Dec 31, 2028). 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 Galesburg tap water? What EPA records show
EPA IL0950200 · serves Galesburg, IL · about 31,620 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
Galesburg (EPA IL0950200)
EPA data as of October 14, 2026. For Galesburg's main utility, Galesburg: We found no health-based violations in EPA's records for this system (IL0950200) since July 1, 2021, as of October 14, 2026. This water system averaged above 4.0 ppt for PFOA or PFOS in EPA's UCMR 5 testing. This is public data, not a test of your tap.
What EPA records show for Galesburg, as of October 14, 2026
We found no health-based violations in EPA's records for this system (IL0950200) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for Galesburg (SDWIS). Data as of October 14, 2026.
Lead, 90th percentile: 0 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–Dec 31, 2028). 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 Galesburg use chloramine?
We didn't find chloramine in Galesburg's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.