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Water system · PWSID TX1010294

CITY OF SOUTH HOUSTON

SOUTH HOUSTON, TX · ~17,397 people served

Check your exact address → SOUTH HOUSTON overview
91
Excellent
PurityRadar safety score

PWSID

TX1010294

State

Texas

City

SOUTH HOUSTON

Population served

17,397

Primary source

SWP

Score history

▼ 9 points — the score moved from 100 to 91 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 91

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 Dec 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.1 ppt

limit 4 ppt

Above EPA limit · 1.0×

PFHxS

Perfluorohexanesulfonic acid

3.4 ppt

limit 10 ppt

Below EPA limit

PFBA

8.2 ppt

limit —

No federal limit

PFHxA

4.8 ppt

limit —

No federal limit

PFPeA

4.8 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

17

Violations on record

0

Unaddressed

1

Health-based

24

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2012. Official EPA record →

Monitoring & reporting · EPA contaminant 2959 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2005 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2010 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2015 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2020 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2035 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2037 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2039 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2042 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2050 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2051 began Jan 2011 Resolved
Monitoring & reporting · EPA contaminant 2065 began Jan 2011 Resolved

Recent enforcement actions

  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012
  • State action · SOX Mar 2012

This profile is built from EPA public records for system TX1010294 — 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.