HARRIS COUNTY MUD 149

HOUSTON, TX · ~3,543 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1011296

State

Texas

City

HOUSTON

Population served

3,543

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

Lithium

31,800 ppt

limit —

No federal limit

PFPeA

4 ppt

limit —

No federal limit

PFHxA

3.7 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2015. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2014 Resolved

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

Recent enforcement actions

State action · SOX Mar 2015
State action · SIA Feb 2015
State action · SOX Jun 1993
State action · SIF Feb 1985
State action · SIF Oct 1984
EPA/federal action · EFJ Oct 1979

This profile is built from EPA public records for system TX1011296 — 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.