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Water system · PWSID TX1011678

HARRIS COUNTY MUD 65

HOUSTON, TX · ~6,330 people served

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

PWSID

TX1011678

State

Texas

City

HOUSTON

Population served

6,330

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

Lithium

30,700 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2021. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2020 Resolved

Recent enforcement actions

  • State action · SIF Jul 2021
  • State action · SOX May 2021
  • State action · SIE Jan 2021
  • State action · SIA Jan 2021

This profile is built from EPA public records for system TX1011678 — 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.