MONTGOMERY COUNTY MUD 94

HOUSTON, TX · ~5,184 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1700716

State

Texas

City

HOUSTON

Population served

5,184

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

Lithium

28,700 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2014 Resolved

Other · EPA contaminant 7500 began Oct 2012 Resolved

Monitoring & reporting · Total coliform began Jun 2012 Resolved

Recent enforcement actions

State action · SOX May 2015
State action · SOX Mar 2015
State action · SIA Feb 2015
State action · SOX Oct 2012
State action · SIF Oct 2012
State action · SIA Oct 2012
State action · SIE Sep 2012
State action · SIA Sep 2012

This profile is built from EPA public records for system TX1700716 — 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.