CITY OF HARKER HEIGHTS

HARKER HEIGHTS, TX · ~35,957 people served

Check your exact address → HARKER HEIGHTS overview

100

Excellent

PurityRadar safety score

PWSID

TX0140023

State

Texas

City

HARKER HEIGHTS

Population served

35,957

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

PFHxS

Perfluorohexanesulfonic acid

3.2 ppt

limit 10 ppt

Below EPA limit

PFBA

8 ppt

limit —

No federal limit

PFBS

3.4 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2018. Official EPA record →

Monitoring · Lead & Copper Rule began Sep 2017 Resolved

Other · EPA contaminant 7500 began Jul 2008 Resolved

Monitoring & reporting · Total coliform began Nov 2007 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 1993 Resolved

Recent enforcement actions

State action · SOX Feb 2018
State action · SIF Feb 2018
State action · SIA Jan 2018
State action · SIE Jan 2018
State action · SIA Apr 2008
State action · SIE Apr 2008
State action · SOX Nov 2007
State action · SOX Jul 2004

This profile is built from EPA public records for system TX0140023 — 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.