HARRIS COUNTY MUD 183

HOUSTON, TX · ~3,981 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1011824

State

Texas

City

HOUSTON

Population served

3,981

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 Dec 2023). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

Lithium

14,200 ppt

limit —

No federal limit

PFBA

6.6 ppt

limit —

No federal limit

PFPeA

6.5 ppt

limit —

No federal limit

PFHxA

4.9 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2014. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2013 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2013 Resolved

Recent enforcement actions

State action · SIF Aug 2014
State action · SOX May 2014
State action · SOX May 2014
State action · SIE May 2014
State action · SIA May 2014

This profile is built from EPA public records for system TX1011824 — 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.