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Water system · PWSID TX1012330

HARRIS COUNTY MUD 264

HOUSTON, TX · ~3,573 people served

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

PWSID

TX1012330

State

Texas

City

HOUSTON

Population served

3,573

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

Lithium

15,000 ppt

limit —

No federal limit

PFBA

5 ppt

limit —

No federal limit

PFHxA

3.1 ppt

limit —

No federal limit

PFPeA

3.1 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

1

Unaddressed

1

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2024. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Aug 2012 Unaddressed
Other · EPA contaminant 7500 began Nov 2023 Resolved
Monitoring & reporting · EPA contaminant 3014 began Aug 2022 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2004 Resolved

Recent enforcement actions

  • State action · SIF Jan 2024
  • State action · SOX Jan 2024
  • State action · SIA Nov 2023
  • State action · SOX Nov 2022
  • State action · SIA Nov 2022
  • State action · SIE Nov 2022
  • State action · SIE Oct 2004
  • State action · SIA Oct 2004

This profile is built from EPA public records for system TX1012330 — 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.