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Water system · PWSID TX1011778

HARRIS COUNTY UD 15

HOUSTON, TX · ~3,489 people served

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

PWSID

TX1011778

State

Texas

City

HOUSTON

Population served

3,489

Primary source

GWP

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

14,800 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

1

Unaddressed

0

Health-based

1

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 1983. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed

Recent enforcement actions

  • State action · SIF Jul 1983

This profile is built from EPA public records for system TX1011778 — 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.