- EPA's UCMR 5 testing looked for 30 contaminants here and found 4.
- Lithium: found in 13 of 16 samples, average 18 µg/L, highest 33.1 µg/L (EPA UCMR 5 testing, Mar 2025–Dec 2025)
- PFPeA (a PFAS): found in 12 of 16 samples, average 12.5 ppt, highest 29.6 ppt (EPA UCMR 5 testing, Mar 2025–Feb 2026)
- PFBA (a PFAS): found in 10 of 16 samples, average 6.9 ppt, highest 19.7 ppt (EPA UCMR 5 testing, Mar 2025–Feb 2026)
- PFHxA (a PFAS): found in 1 of 16 samples, average 0.20 ppt, highest 3.2 ppt (EPA UCMR 5 testing, Mar 2025–Feb 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–Jun 30, 2026). 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 Lake Jackson tap water? What EPA records show
EPA TX0200006 · serves Brazoria County, TX · about 27,314 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
City of Lake Jackson (EPA TX0200006)
EPA data as of October 14, 2026. For Lake Jackson's main utility, City of Lake Jackson: We found no health-based violations in EPA's records for this system (TX0200006) since July 1, 2021, as of October 14, 2026. PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
What EPA records show for City of Lake Jackson, as of October 14, 2026
We found no health-based violations in EPA's records for this system (TX0200006) since July 1, 2021, as of October 14, 2026.
Source: EPA ECHO record for City of Lake Jackson (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–Jun 30, 2026). 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 4.
PFOA and PFOS were not detected at or above EPA's reporting level in EPA's UCMR 5 testing.
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 City of Lake Jackson use chloramine?
EPA treatment records (state-reported) list chloramines for City of Lake Jackson. EPA record