BRAZORIA COUNTY MUD 21

HOUSTON, TX · ~4,833 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX0200610

State

Texas

City

HOUSTON

Population served

4,833

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

Lithium

41,700 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2011. Official EPA record →

Other · EPA contaminant 7500 began May 2003 Resolved

Monitoring & reporting · Total coliform began Jan 2003 Resolved

Recent enforcement actions

State action · SOX Jan 2011
State action · SIA Apr 2003
State action · SOX Mar 2003
State action · SIA Feb 2003
State action · SIE Feb 2003

This profile is built from EPA public records for system TX0200610 — 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.