MONTGOMERY COUNTY MUD 7

THE WOODLANDS, TX · ~12,528 people served

Check your exact address → THE WOODLANDS overview

100

Excellent

PurityRadar safety score

PWSID

TX1700169

State

Texas

City

THE WOODLANDS

Population served

12,528

Primary source

SWP

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

Lithium

18,400 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2025 Unaddressed

Other · EPA contaminant 7500 began Jun 2020 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2019 Resolved

Other · EPA contaminant 7500 began Sep 2017 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2017 Resolved

Other · EPA contaminant 7000 began Jul 2014 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved

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

Recent enforcement actions

State action · SIE Dec 2025
State action · SIA Dec 2025
State action · SOX Jul 2021
State action · SIF Jul 2021
State action · SIA Aug 2020
State action · SOX Jan 2020
State action · SOX Jul 2019
State action · SIA Jun 2019

This profile is built from EPA public records for system TX1700169 — 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.