PWSID
TX1010654
State
Texas
City
HOUSTON
Population served
5,607
Primary source
SWP
Score history
▼ 33 points — the score moved from 100 to 67 on Jun 18, 2026, as newly published EPA data was incorporated.
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 Jan 2024). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
9.7 ppt
limit 4 ppt
PFHxS
Perfluorohexanesulfonic acid
3.8 ppt
limit 10 ppt
Lithium
9,080 ppt
limit —
PFPeA
8.4 ppt
limit —
PFHxA
7.7 ppt
limit —
PFBA
7.4 ppt
limit —
PFHpA
4.8 ppt
limit —
PFBS
4.2 ppt
limit —
Violations & enforcement
89
Violations on record
0
Unaddressed
0
Health-based
113
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement May 2014. Official EPA record →
Recent enforcement actions
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SIF May 2014
- State action · SOX Mar 2014
This profile is built from EPA public records for system TX1010654 — 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.