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Water system · PWSID TX1700207

TEXAS NATIONAL MUD

HOUSTON, TX · ~931 people served

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

PWSID

TX1700207

State

Texas

City

HOUSTON

Population served

931

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

Lithium

34,300 ppt

limit —

No federal limit

Violations & enforcement

13

Violations on record

0

Unaddressed

1

Health-based

27

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2025. Official EPA record →

Other · EPA contaminant 7500 began May 2025 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7000 began Jul 2018 Resolved
Other · EPA contaminant 7500 began Jul 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2011 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved

Recent enforcement actions

  • State action · SIF Aug 2025
  • State action · SIF Aug 2025
  • State action · SOX Aug 2025
  • State action · SIA May 2025
  • State action · SOX May 2025
  • State action · SOX May 2025
  • State action · SIE Mar 2025
  • State action · SIA Mar 2025

This profile is built from EPA public records for system TX1700207 — 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.