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Water system · PWSID TX1010539

HARRIS COUNTY MUD 1

HOUSTON, TX · ~12,342 people served

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

PWSID

TX1010539

State

Texas

City

HOUSTON

Population served

12,342

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 Dec 2023). Levels in parts per trillion (ppt).

Lithium

36,400 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

1

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2013. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2011 Resolved

Recent enforcement actions

  • State action · SOX Nov 2013

This profile is built from EPA public records for system TX1010539 — 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.