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Water system · PWSID TX1011462

HARRIS COUNTY MUD 49

HOUSTON, TX · ~10,893 people served

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

PWSID

TX1011462

State

Texas

City

HOUSTON

Population served

10,893

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

Lithium

10,100 ppt

limit —

No federal limit

PFBA

5.3 ppt

limit —

No federal limit

PFPeA

3.2 ppt

limit —

No federal limit

PFHxA

3 ppt

limit —

No federal limit

Violations & enforcement

8

Violations on record

1

Unaddressed

0

Health-based

12

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7500 began Jun 2016 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2010 Resolved

Recent enforcement actions

  • State action · SIA Dec 2025
  • State action · SOX Aug 2016
  • State action · SIF Aug 2016
  • State action · SIA Jul 2016
  • State action · SIA Mar 2016
  • State action · SIE Mar 2016
  • State action · SOX Mar 2015
  • State action · SOX Mar 2015

This profile is built from EPA public records for system TX1011462 — 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.