What EPA records show for Tri Community Water System
EPA AL0000549 · serves Millbrook, AL · about 11,832 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
Tri Community Water System (EPA AL0000549)
What EPA records show for Tri Community Water System, as of October 14, 2026
We found no health-based violations in EPA's records for this system (AL0000549) since July 1, 2021, 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, 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 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 Tri Community Water System use chloramine?
We didn't find chloramine in Tri Community Water System'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 7.
PFBS (a PFAS): found in 8 of 14 samples, average 23.4 ppt, highest 73 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
PFPeA (a PFAS): found in 7 of 14 samples, average 9.3 ppt, highest 27 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
PFOA (a PFAS): found in 6 of 14 samples, average 5.8 ppt, highest 19 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025) PFOA or PFOS averaged above 4.0 ppt in UCMR 5 testing
PFHxA (a PFAS): found in 7 of 14 samples, average 5.7 ppt, highest 17 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
PFOS (a PFAS): found in 6 of 14 samples, average 4.7 ppt, highest 19 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 5 of 14 samples, average 3.4 ppt, highest 12 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
PFHpA (a PFAS): found in 4 of 14 samples, average 1.4 ppt, highest 5.4 ppt (EPA UCMR 5 testing, Nov 2024–Aug 2025)
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, 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.
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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