PWSID
TX1010720
State
Texas
City
HOUSTON
Population served
17,856
Primary source
SWP
Score history
No change since tracking began Jun 18, 2026.
2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.
PFAS & contaminant readings
Latest detections from EPA’s UCMR5 monitoring (through Jun 2024). Levels in parts per trillion (ppt).
PFHxS
Perfluorohexanesulfonic acid
4 ppt
limit 10 ppt
PFBA
7.4 ppt
limit —
PFBS
3.5 ppt
limit —
PFHxA
3.3 ppt
limit —
PFPeA
3 ppt
limit —
Violations & enforcement
5
Violations on record
1
Unaddressed
0
Health-based
10
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →
Recent enforcement actions
- State action · SIA Dec 2025
- State action · SOX Apr 2018
- State action · SIF Dec 2016
- State action · SIA Oct 2016
- State action · SIE Oct 2016
- State action · SOX Oct 2016
- State action · SOX Oct 2015
- State action · SIA Oct 2015
This profile is built from EPA public records for system TX1010720 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.