Can you drink Crest Hill tap water? What EPA records show
EPA IL1970250 · serves Crest Hill, IL · about 20,223 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
Crest Hill (EPA IL1970250)
ScoreYourWater.com gives no verdict on your tap water; it shows what the public records say, as of October 14, 2026. For Crest Hill's main utility, Crest Hill: 1 health-based violation since July 1, 2021 in EPA records (EPA SDWIS). EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
What EPA records show for Crest Hill, as of October 14, 2026
Health-based violation: Lead and Copper Rule, Lead and Copper Rule, Jan 2024–Feb 2025 (EPA SDWIS).
Lead, 90th percentile: 1.23 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 Jul 1, 2025–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.
EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
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 Crest Hill use chloramine?
We didn't find chloramine in Crest Hill's EPA treatment records. That's not a complete list; your utility's annual water quality report says which disinfectant it uses.
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 8.
Lithium: found in 14 of 14 samples, average 29.7 µg/L, highest 34.8 µg/L (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFBS (a PFAS): found in 14 of 14 samples, average 17 ppt, highest 52.1 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFPeA (a PFAS): found in 12 of 14 samples, average 10.9 ppt, highest 32.2 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFHxA (a PFAS): found in 11 of 14 samples, average 8.5 ppt, highest 24.4 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFBA (a PFAS): found in 10 of 14 samples, average 8.2 ppt, highest 27.2 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFHxS (a PFAS): found in 9 of 14 samples, average 4.1 ppt, highest 12.2 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFHpA (a PFAS): found in 6 of 14 samples, average 3.8 ppt, highest 13.3 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
PFOA (a PFAS): found in 6 of 14 samples, average 3.8 ppt, highest 13.7 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023)
Lead, 90th percentile: 1.23 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 Jul 1, 2025–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: Lead and Copper Rule, Lead and Copper Rule, Jan 2024–Feb 2025 (EPA SDWIS)
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.
We don't give a safe or unsafe verdict. Here is what the public data shows: EPA records for Crest Hill's main utility, Crest Hill, as of October 14, 2026. 1 health-based violation since July 1, 2021 in EPA records (EPA SDWIS). EPA's UCMR 5 testing looked for 30 contaminants here and found 8. A guideline and a legal limit are different things, and this is public data, not a test of your tap.
Which utility supplies water in Crest Hill?
Crest Hill is the main utility for Crest Hill in EPA's records (EPA IL1970250), serving about 20,223 people (EPA SDWIS). Your water bill names your utility.
Does Crest Hill tap water contain PFAS?
PFOA (a PFAS): found in 6 of 14 samples, average 3.8 ppt, highest 13.7 ppt (EPA UCMR 5 testing, Jun 2023–Dec 2023). This is public data, not a test of your tap.
How recent is this data?
Source: EPA records (SDWIS, UCMR 5). SDWIS: data as of Oct 14, 2026. EPA UCMR 5 data, samples through June 2026. Data may be one to three years old and may not reflect the water at your tap. If you want your own tap tested, use a state-certified laboratory.
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