FORT POLK SOUTH WATER SYSTEM

FORT JOHNSON, LA · ~10,902 people served

Check your exact address → FORT JOHNSON overview

100

Excellent

PurityRadar safety score

PWSID

LA1115065

State

Louisiana

City

FORT JOHNSON

Population served

10,902

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 Aug 2023). Levels in parts per trillion (ppt).

Lithium

20,500 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2013. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Apr 2011 Resolved

Max contaminant level (MCL) · Total coliform health-based began Feb 2008 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2006 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2006 Resolved

Other · EPA contaminant 7000 began Jul 2004 Resolved

Max contaminant level (MCL) · Total coliform health-based began Apr 1994 Resolved

Recent enforcement actions

State action · SOX Aug 2013
State action · SFL Apr 2012
State action · SOX Dec 2011
State action · SIF Jun 2011
State action · SIE May 2011
State action · SIA May 2011
State action · SIF Apr 2008
State action · SIA Mar 2008

This profile is built from EPA public records for system LA1115065 — 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.