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Water system · PWSID TX1012965

HARRIS COUNTY MUD 354

HOUSTON, TX · ~6,588 people served

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

PWSID

TX1012965

State

Texas

City

HOUSTON

Population served

6,588

Primary source

GWP

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

Lithium

25,800 ppt

limit —

No federal limit

Violations & enforcement

9

Violations on record

0

Unaddressed

3

Health-based

21

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2016. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Sep 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Apr 2016 Resolved
Treatment technique · Lead & Copper Rule health-based began Apr 2016 Resolved
Other · EPA contaminant 7500 began Apr 2016 Resolved
Other · EPA contaminant 7500 began Apr 2016 Resolved
Other · EPA contaminant 7500 began Mar 2016 Resolved
Treatment technique · Lead & Copper Rule health-based began Mar 2016 Resolved
Other · EPA contaminant 7500 began Oct 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2005 Resolved

Recent enforcement actions

  • State action · SOX Nov 2016
  • State action · SO6 Nov 2016
  • State action · SOX Nov 2016
  • State action · SIA Oct 2016
  • State action · SOX Aug 2016
  • State action · SIF Aug 2016
  • State action · SOX Aug 2016
  • State action · SIF Aug 2016

This profile is built from EPA public records for system TX1012965 — 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.