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Water system · PWSID LA1101011

WATER & SEWER COMMISSION 4 OF ST MARY

CHARENTON, LA · ~9,709 people served

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

PWSID

LA1101011

State

Louisiana

City

CHARENTON

Population served

9,709

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

PFBA

23 ppt

limit —

No federal limit

Violations & enforcement

12

Violations on record

0

Unaddressed

11

Health-based

34

Enforcement actions

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

Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jan 2025 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Oct 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2024 Resolved
Max contaminant level (MCL) · Haloacetic acids (HAA5) health-based began Jul 2024 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2023 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1992 Resolved

Recent enforcement actions

  • State action · SOX Apr 2025
  • State action · SIF Mar 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025
  • State action · SIF Jan 2025
  • State action · SIE Dec 2024
  • State action · SIA Dec 2024
  • State action · SIF Sep 2024

This profile is built from EPA public records for system LA1101011 — 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.