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Water system · PWSID TX1013213

HARRIS COUNTY MUD 383

HOUSTON, TX · ~4,881 people served

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

PWSID

TX1013213

State

Texas

City

HOUSTON

Population served

4,881

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

Lithium

45,800 ppt

limit —

No federal limit

PFBA

5.5 ppt

limit —

No federal limit

PFPeA

4.2 ppt

limit —

No federal limit

PFHxA

3.6 ppt

limit —

No federal limit

Violations & enforcement

11

Violations on record

0

Unaddressed

0

Health-based

27

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2023. Official EPA record →

Other · EPA contaminant 7500 began Oct 2022 Resolved
Monitoring · Lead & Copper Rule began Sep 2021 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2008 Resolved
Other · EPA contaminant 7500 began May 2003 Resolved
Other · EPA contaminant 7500 began Apr 2003 Resolved
Other · EPA contaminant 7500 began Mar 2003 Resolved
Other · EPA contaminant 7500 began Feb 2003 Resolved
Monitoring & reporting · Total coliform began Jan 2003 Resolved
Monitoring & reporting · Total coliform began Dec 2002 Resolved
Monitoring & reporting · Total coliform began Nov 2002 Resolved
Monitoring & reporting · Total coliform began Oct 2002 Resolved

Recent enforcement actions

  • State action · SOX Jul 2023
  • State action · SIF Jul 2023
  • State action · SIA Nov 2022
  • State action · SOX Nov 2021
  • State action · SIE Nov 2021
  • State action · SIA Nov 2021
  • State action · SOX Aug 2015
  • State action · SOX Aug 2015

This profile is built from EPA public records for system TX1013213 — 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.