CITY OF TOMBALL

TOMBALL, TX · ~17,532 people served

Check your exact address → TOMBALL overview

100

Excellent

PurityRadar safety score

PWSID

TX1010026

State

Texas

City

TOMBALL

Population served

17,532

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

Lithium

18,500 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2017. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2016 Resolved

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

Recent enforcement actions

State action · SOX Aug 2017
State action · SIF Jan 2017
State action · SIE Oct 2016
State action · SIA Oct 2016
State action · SOX Feb 1993
State action · SFK Jan 1993

This profile is built from EPA public records for system TX1010026 — 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.