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Water system · PWSID TX1012133

HARRIS COUNTY MUD 153

HOUSTON, TX · ~11,781 people served

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

PWSID

TX1012133

State

Texas

City

HOUSTON

Population served

11,781

Primary source

Groundwater

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

Lithium

14,700 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

1

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2004. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jul 2004 Resolved

Recent enforcement actions

  • State action · SIF Sep 2004
  • State action · SIA Aug 2004
  • State action · SIE Aug 2004
  • State action · SOX Jul 2004

This profile is built from EPA public records for system TX1012133 — 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.