PWSID
TX1010626
State
Texas
City
HOUSTON
Population served
4,758
Primary source
Groundwater
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 Oct 2023). Levels in parts per trillion (ppt).
PFOA
Perfluorooctanoic acid
4 ppt
limit 4 ppt
Lithium
22,200 ppt
limit —
Violations & enforcement
2
Violations on record
0
Unaddressed
0
Health-based
8
Enforcement actions
From EPA ECHO (SDWIS), most recent enforcement Jan 2017. Official EPA record →
Recent enforcement actions
- State action · SOX Jan 2017
- State action · SOX Mar 2014
- State action · SFJ Nov 1986
- State action · SFJ Oct 1986
- EPA/federal action · EFJ Jan 1980
- EPA/federal action · EFJ Dec 1979
- EPA/federal action · EFJ Nov 1979
- EPA/federal action · EFJ Oct 1979
This profile is built from EPA public records for system TX1010626 — 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.