MONTGOMERY COUNTY MUD 36

THE WOODLANDS, TX · ~5,235 people served

Check your exact address → THE WOODLANDS overview

100

Excellent

PurityRadar safety score

PWSID

TX1700139

State

Texas

City

THE WOODLANDS

Population served

5,235

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

Lithium

13,800 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2020. Official EPA record →

Other · EPA contaminant 7500 began Jun 2020 Unaddressed

Monitoring & reporting · EPA contaminant 0999 began Jan 2019 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 · SIA Aug 2020
State action · SOX Jul 2019
State action · SIE Jun 2019
State action · SIA Jun 2019
State action · SOX Sep 2016
State action · SOX Jul 2015
State action · SIA Oct 2014
State action · SOX Jun 1993

This profile is built from EPA public records for system TX1700139 — 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.