EPA TX2270033 · serves Travis County, TX · about 39,648 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
Manville WSC (EPA TX2270033)
What EPA records show for Manville WSC, as of October 14, 2026
4 health-based violations since July 1, 2021 in EPA records (EPA SDWIS).
Lead, 90th percentile: 1.41 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.
EPA's UCMR 5 testing looked for 30 contaminants here and found 11.
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 Manville WSC use chloramine?
EPA treatment records (state-reported) list chloramines for Manville WSC. EPA record
Reported results in EPA records (data as of Oct 14–15, 2026)
EPA's UCMR 5 testing looked for 30 contaminants here and found 11.
Lithium: found in 17 of 20 samples, average 25.2 µg/L, highest 83.8 µg/L (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFBS (a PFAS): found in 8 of 20 samples, average 2.4 ppt, highest 10 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFOS (a PFAS): found in 7 of 20 samples, average 2.3 ppt, highest 12.4 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFNA (a PFAS): found in 3 of 20 samples, average 2.1 ppt, highest 24.3 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFPeA (a PFAS): found in 7 of 20 samples, average 1.9 ppt, highest 9.1 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFHxS (a PFAS): found in 7 of 20 samples, average 1.7 ppt, highest 7 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFHxA (a PFAS): found in 4 of 20 samples, average 1 ppt, highest 8.7 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFBA (a PFAS): found in 3 of 20 samples, average 0.90 ppt, highest 7.4 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFOA (a PFAS): found in 1 of 20 samples, average 0.30 ppt, highest 5.9 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFHpA (a PFAS): found in 1 of 20 samples, average 0.20 ppt, highest 4.3 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
PFUnA (a PFAS): found in 1 of 20 samples, average 0.10 ppt, highest 2.7 ppt (EPA UCMR 5 testing, Feb 2023–Nov 2023)
Lead, 90th percentile: 1.41 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, Oct 2025–Mar 2026 (EPA SDWIS)
Health-based violation: Stage 2 Disinfectants and Disinfection Byproducts Rule, TTHM, Jan 2025–Mar 2026 (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.
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