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Water system · PWSID TX0940002

CITY OF SEGUIN

SEGUIN, TX · ~32,736 people served

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

PWSID

TX0940002

State

Texas

City

SEGUIN

Population served

32,736

Primary source

Surface water

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

Lithium

15,400 ppt

limit —

No federal limit

PFBA

9.7 ppt

limit —

No federal limit

PFPeA

3.7 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

0

Unaddressed

17

Health-based

44

Enforcement actions

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

Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2016 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2016 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2015 Resolved
Monitoring & reporting · Lead & Copper Rule began Dec 2013 Resolved
Treatment technique · EPA contaminant 0300 health-based began Dec 2004 Resolved
Treatment technique · EPA contaminant 0200 health-based began Oct 2004 Resolved
Treatment technique · EPA contaminant 0300 health-based began Sep 2004 Resolved
Treatment technique · EPA contaminant 0300 health-based began Sep 2004 Resolved
Treatment technique · EPA contaminant 0200 health-based began Sep 2004 Resolved
Treatment technique · EPA contaminant 0200 health-based began Aug 2004 Resolved
Treatment technique · EPA contaminant 0200 health-based began Aug 2004 Resolved

Recent enforcement actions

  • State action · SOX May 2025
  • State action · SIF Feb 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025
  • State action · SOX Jul 2016
  • State action · SIF May 2016
  • State action · SIE May 2016
  • State action · SIA May 2016

This profile is built from EPA public records for system TX0940002 — 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.