HARRIS COUNTY WCID 116

HOUSTON, TX · ~3,627 people served

Check your exact address → HOUSTON overview

100

Excellent

PurityRadar safety score

PWSID

TX1010507

State

Texas

City

HOUSTON

Population served

3,627

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

PFBA

9.4 ppt

limit —

No federal limit

PFPeA

6.5 ppt

limit —

No federal limit

PFHxA

5 ppt

limit —

No federal limit

PFBS

3.1 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2023. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2022 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2014 Resolved

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

Other · EPA contaminant 7000 began Jul 2010 Resolved

Max contaminant level (MCL) · Arsenic health-based began Jul 2009 Resolved

Recent enforcement actions

State action · SIF Jun 2023
State action · SIF Jun 2023
State action · SOX Dec 2022
State action · SOX Dec 2022
State action · SOX Dec 2022
State action · SIE Aug 2022
State action · SIA Aug 2022
State action · SIA Aug 2022

This profile is built from EPA public records for system TX1010507 — 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.