WEST HARRIS COUNTY REGIONAL WATER AUTHOR

HOUSTON, TX

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1013303

State

Texas

City

HOUSTON

Population served

—

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2011. Official EPA record →

Other · EPA contaminant 7500 began Mar 2010 Resolved

Monitoring & reporting · Total coliform began Oct 2009 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved

Recent enforcement actions

State action · SOX Oct 2011
State action · SIE Nov 2009
State action · SIA Nov 2009
State action · SOX Oct 2009
State action · SO8 Aug 2009
State action · SIA Mar 2009
State action · SIE Mar 2009

This profile is built from EPA public records for system TX1013303 — 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.