CALCASIEU PARISH WW DISTRICT NO 1

LAKE CHARLES, LA · ~20,837 people served

Check your exact address → LAKE CHARLES overview

100

Excellent

PurityRadar safety score

PWSID

LA1019051

State

Louisiana

City

LAKE CHARLES

Population served

20,837

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

Lithium

17,200 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2011 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2011 Resolved

Max contaminant level (MCL) · Total coliform health-based began Aug 2010 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2010 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2010 Resolved

Recent enforcement actions

State action · SOX Apr 2025
State action · SOX Sep 2014
State action · SOX Sep 2014
State action · SOX Sep 2014
State action · SOX Sep 2014
State action · SOX Sep 2014
State action · SIF May 2012
State action · SIE Mar 2012

This profile is built from EPA public records for system LA1019051 — 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.