STANLEY LAKE MUD

MONTGOMERY, TX · ~3,783 people served

Check your exact address → MONTGOMERY overview

100

Excellent

PurityRadar safety score

PWSID

TX1700097

State

Texas

City

MONTGOMERY

Population served

3,783

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

Lithium

28,800 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Dec 2019 Resolved

Monitoring & reporting · EPA contaminant 3014 began Jun 2017 Resolved

Other · EPA contaminant 7500 began Mar 2012 Resolved

Monitoring & reporting · Total coliform began Dec 2011 Resolved

Monitoring & reporting · EPA contaminant 3014 began Nov 2011 Resolved

Recent enforcement actions

State action · SOX Apr 2020
State action · SIA Mar 2020
State action · SIF Jun 2018
State action · SIF Jun 2018
State action · SOX Mar 2018
State action · SIA Feb 2018
State action · SIE Feb 2018
State action · SIE Feb 2018

This profile is built from EPA public records for system TX1700097 — 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.