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Water system · PWSID TX1013156

HARRIS COUNTY UD 16

HOUSTON, TX · ~6,063 people served

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

PWSID

TX1013156

State

Texas

City

HOUSTON

Population served

6,063

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 Nov 2023). Levels in parts per trillion (ppt).

Lithium

14,000 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

0

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Mar 2018. Official EPA record →

Other · EPA contaminant 7500 began Oct 2014 Resolved
Monitoring & reporting · Nitrate began Jan 2013 Resolved
Other · EPA contaminant 7000 began Jul 2004 Resolved
Other · EPA contaminant 7000 began Jul 2003 Resolved
Other · EPA contaminant 7000 began Jul 2002 Resolved

Recent enforcement actions

  • State action · SO0 Mar 2018
  • State action · SIA Nov 2014
  • State action · SIA Jul 2014
  • State action · SIE Jul 2014
  • State action · SOX May 2014
  • State action · SOX Aug 2005
  • State action · SFJ Apr 2005
  • State action · SIA Jan 2005

This profile is built from EPA public records for system TX1013156 — 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.