PWSID
TX1010239
State
Texas
City
HOUSTON
Population served
11,073
Primary source
SWP
Score history
▼ 8 points — the score moved from 100 to 92 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 2025). Levels in parts per trillion (ppt).
PFOS
Perfluorooctanesulfonic acid
4 ppt
limit 4 ppt
Lithium
13,300 ppt
limit —
PFBA
6.1 ppt
limit —
PFPeA
6.1 ppt
limit —
PFHxA
5.7 ppt
limit —
PFBS
3 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
1
Health-based
8
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Aug 2015. Official EPA record →
Recent enforcement actions
- State action · SOX Aug 2015
- State action · SOX Jan 2013
- State action · SIF Nov 2012
- State action · SIE Oct 2012
- State action · SIA Oct 2012
- State action · SIF Sep 2011
- State action · SIA Sep 2011
- State action · SIE Sep 2011
This profile is built from EPA public records for system TX1010239 — 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.