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Water system · PWSID TX1700319

MONTGOMERY COUNTY MUD 19

HOUSTON, TX · ~4,422 people served

Check your exact address → HOUSTON overview
100
Excellent
PurityRadar safety score

PWSID

TX1700319

State

Texas

City

HOUSTON

Population served

4,422

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

Lithium

29,200 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

0

Health-based

11

Enforcement actions

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

Monitoring & reporting · Lead & Copper Rule began Oct 2017 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2016 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Other · EPA contaminant 7000 began Jul 2005 Resolved
Other · EPA contaminant 7000 began Jan 2004 Resolved

Recent enforcement actions

  • State action · SOX Sep 2021
  • State action · SIF Nov 2017
  • State action · SIA Oct 2017
  • State action · SIE Oct 2017
  • State action · SOX Jan 2017
  • State action · SIA Jan 2017
  • State action · SOX Jun 2014
  • State action · SOX Jun 2007

This profile is built from EPA public records for system TX1700319 — 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.