SOUTHERN MONTGOMERY COUNTY MUD

HOUSTON, TX · ~13,372 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1700073

State

Texas

City

HOUSTON

Population served

13,372

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

Lithium

12,100 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2022. Official EPA record →

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

Monitoring & reporting · EPA contaminant 0999 began Jul 2021 Resolved

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

Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved

Other · EPA contaminant 7500 began Sep 2003 Resolved

Monitoring & reporting · Total coliform began Jul 2003 Resolved

Monitoring & reporting · Total coliform began Jun 2003 Resolved

Monitoring & reporting · Total coliform began May 2003 Resolved

Other · EPA contaminant 7500 began May 2003 Resolved

Monitoring & reporting · Total coliform began Jan 2003 Resolved

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

Recent enforcement actions

State action · SOX Apr 2022
State action · SIF Apr 2022
State action · SIA Jan 2022
State action · SIE Jan 2022
State action · SOX Sep 2016
State action · SOX Aug 2015
State action · SOX Aug 2015
State action · SOX Aug 2015

This profile is built from EPA public records for system TX1700073 — 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.