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Water system · PWSID TX1011848

HARRIS COUNTY MUD 179

HOUSTON, TX · ~5,115 people served

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

PWSID

TX1011848

State

Texas

City

HOUSTON

Population served

5,115

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 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

Lithium

9,350 ppt

limit —

No federal limit

PFBA

7.3 ppt

limit —

No federal limit

PFPeA

5.6 ppt

limit —

No federal limit

PFHxA

5.1 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

0

Health-based

3

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2014. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX May 2014
  • State action · SOX Jun 1993
  • State action · SFJ Oct 1986

This profile is built from EPA public records for system TX1011848 — 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.