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Water system · PWSID LA1095002

ST JOHN WATER DISTRICT 2

LAPLACE, LA · ~3,702 people served

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

PWSID

LA1095002

State

Louisiana

City

LAPLACE

Population served

3,702

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

Lithium

10,000 ppt

limit —

No federal limit

PFBA

5.7 ppt

limit —

No federal limit

PFBS

3.7 ppt

limit —

No federal limit

Violations & enforcement

27

Violations on record

1

Unaddressed

10

Health-based

64

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2020. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2025 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Dec 2019 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Apr 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2017 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2017 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2017 Resolved
Treatment technique · EPA contaminant 0200 health-based began Jan 2016 Resolved
Monitoring & reporting · EPA contaminant 0300 began Oct 2015 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Apr 2011 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Jan 2011 Resolved
Max contaminant level (MCL) · Total trihalomethanes (TTHM) health-based began Oct 2010 Resolved

Recent enforcement actions

  • State action · SOX Feb 2020
  • State action · SIA Jan 2020
  • State action · SIA Dec 2017
  • State action · SIF Oct 2017
  • State action · SOX Aug 2017
  • State action · SIA Aug 2017
  • State action · SIE Aug 2017
  • State action · SOX Jul 2017

This profile is built from EPA public records for system LA1095002 — 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.