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Water system · PWSID TX1700458

MONTGOMERY COUNTY MUD 47

THE WOODLANDS, TX · ~24,171 people served

Check your exact address → THE WOODLANDS overview
100
Excellent
PurityRadar safety score

PWSID

TX1700458

State

Texas

City

THE WOODLANDS

Population served

24,171

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

Lithium

18,400 ppt

limit —

No federal limit

Violations & enforcement

10

Violations on record

0

Unaddressed

1

Health-based

31

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jul 2021. Official EPA record →

Other · EPA contaminant 7500 began Jun 2020 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jan 2019 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Feb 2018 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Other · EPA contaminant 7500 began Mar 2006 Resolved
Other · EPA contaminant 7500 began Feb 2006 Resolved
Monitoring & reporting · Total coliform began Nov 2005 Resolved
Monitoring & reporting · Total coliform began Oct 2005 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SIF Jul 2021
  • State action · SOX Jul 2021
  • State action · SIA Aug 2020
  • State action · SOX Jul 2019
  • State action · SIA Jun 2019
  • State action · SIE Jun 2019
  • State action · SOX Aug 2018
  • State action · SIA Feb 2018

This profile is built from EPA public records for system TX1700458 — 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.