HARRIS COUNTY WCID 161

HOUSTON, TX · ~3,129 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1013612

State

Texas

City

HOUSTON

Population served

3,129

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

3.7 ppt

limit 10 ppt

Below EPA limit

PFPeA

7.5 ppt

limit —

No federal limit

PFBA

7.3 ppt

limit —

No federal limit

PFHxA

6.9 ppt

limit —

No federal limit

PFBS

3.7 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2025. Official EPA record →

Monitoring · Lead & Copper Rule began Feb 2025 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2020 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2018 Resolved

Monitoring & reporting · EPA contaminant 0999 began Oct 2017 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jul 2017 Resolved

Recent enforcement actions

State action · SOX Apr 2025
State action · SIA Apr 2025
State action · SIE Apr 2025
State action · SIF Feb 2021
State action · SOX Aug 2020
State action · SIE Jul 2020
State action · SIA Jul 2020
State action · SIF Dec 2018

This profile is built from EPA public records for system TX1013612 — 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.