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Water system · PWSID TX1012229

HARRIS COUNTY MUD 127

HOUSTON, TX · ~5,247 people served

Check your exact address → HOUSTON overview
100
Excellent
PurityRadar safety score

PWSID

TX1012229

State

Texas

City

HOUSTON

Population served

5,247

Primary source

SWP

Score history

No change since tracking began Jun 18, 2026.

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

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 Aug 2025). Levels in parts per trillion (ppt).

Lithium

9,250 ppt

limit —

No federal limit

PFBA

5.8 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

5

Health-based

11

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2015. Official EPA record →

Max contaminant level (MCL) · Gross alpha health-based began Oct 2004 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2004 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Mar 2004 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2004 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2003 Resolved

Recent enforcement actions

  • State action · SO0 Aug 2015
  • State action · SOX Jun 2006
  • State action · SOX Jun 2006
  • State action · SOX Jun 2006
  • State action · SOX Jun 2006
  • State action · SIF Dec 2004
  • State action · SIF Sep 2004
  • State action · SIF Jun 2004

This profile is built from EPA public records for system TX1012229 — 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.