TIMBER LANE UTILITY DISTRICT

HOUSTON, TX · ~24,507 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1010278

State

Texas

City

HOUSTON

Population served

24,507

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

Lithium

10,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Max contaminant level (MCL) · Total coliform health-based began Mar 2014 Resolved

Other · EPA contaminant 7000 began Jul 2005 Resolved

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

Recent enforcement actions

State action · SOX Apr 2015
State action · SIF Apr 2014
State action · SIA Mar 2014
State action · SIE Mar 2014
State action · SOX Jul 2007
State action · SOX Jun 1993
State action · SFJ Apr 1990

This profile is built from EPA public records for system TX1010278 — 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.