NORTH HARRIS COUNTY REGIONAL WATER AUTHO

HOUSTON, TX

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1013298

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 Jan 2016. Official EPA record →

Other · EPA contaminant 7500 began Jan 2009 Unaddressed

Monitoring & reporting · EPA contaminant 0999 began Apr 2015 Resolved

Monitoring & reporting · EPA contaminant 0999 began Apr 2013 Resolved

Other · EPA contaminant 7500 began Sep 2012 Resolved

Monitoring & reporting · Total coliform began May 2012 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved

Recent enforcement actions

State action · SOX Jan 2016
State action · SIF Jan 2016
State action · SIA Oct 2015
State action · SIE Oct 2015
State action · SOX Apr 2015
State action · SOX Jul 2014
State action · SOX Feb 2014
State action · SIF Feb 2014

This profile is built from EPA public records for system TX1013298 — 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.