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Water system · PWSID TX1012370

HARRIS COUNTY WCID 89

HOUSTON, TX · ~9,033 people served

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

PWSID

TX1012370

State

Texas

City

HOUSTON

Population served

9,033

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

Lithium

22,400 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

5

Health-based

33

Enforcement actions

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

Other · EPA contaminant 7500 began Feb 2015 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2007 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Apr 2007 Resolved

Recent enforcement actions

  • State action · SOX Aug 2015
  • State action · SOX Aug 2015
  • State action · SIF Aug 2015
  • State action · SIA Mar 2015
  • State action · SIE Nov 2014
  • State action · SIA Nov 2014
  • State action · SOX Jul 2010
  • State action · SO8 Aug 2009

This profile is built from EPA public records for system TX1012370 — 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.