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Water system · PWSID TX0310094

CITY OF PRIMERA

HARLINGEN, TX · ~5,811 people served

Check your exact address → HARLINGEN overview
100
Excellent
PurityRadar safety score

PWSID

TX0310094

State

Texas

City

HARLINGEN

Population served

5,811

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 Mar 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3.4 ppt

limit 10 ppt

Below EPA limit

Lithium

53,300 ppt

limit —

No federal limit

PFBA

9.1 ppt

limit —

No federal limit

PFHxA

6.4 ppt

limit —

No federal limit

PFPeA

6.4 ppt

limit —

No federal limit

PFBS

3 ppt

limit —

No federal limit

Violations & enforcement

14

Violations on record

1

Unaddressed

0

Health-based

48

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2020 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Resolved
Other · EPA contaminant 7500 began Sep 2023 Resolved
Monitoring · Lead & Copper Rule began Aug 2022 Resolved
Other · EPA contaminant 7000 began Jul 2021 Resolved
Other · EPA contaminant 7500 began Feb 2021 Resolved
Other · EPA contaminant 7500 began May 2020 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2019 Resolved
Monitoring · Lead & Copper Rule began Apr 2019 Resolved
Other · EPA contaminant 7500 began Aug 2018 Resolved
Monitoring · Lead & Copper Rule began Jul 2017 Resolved
Other · EPA contaminant 7500 began Jul 2016 Resolved

Recent enforcement actions

  • State action · SOX Sep 2024
  • State action · SIA Sep 2024
  • State action · SOX Oct 2023
  • State action · SIF Oct 2023
  • State action · SIF Oct 2023
  • State action · SOX Oct 2023
  • State action · SIF Oct 2023
  • State action · SOX Oct 2023

This profile is built from EPA public records for system TX0310094 — 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.