MANDEVILLE WATER SUPPLY

MANDEVILLE, LA · ~13,000 people served

Check your exact address → MANDEVILLE overview

100

Excellent

PurityRadar safety score

PWSID

LA1103023

State

Louisiana

City

MANDEVILLE

Population served

13,000

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

Lithium

13,900 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2017. Official EPA record →

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2009 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2009 Resolved

Recent enforcement actions

State action · SOX Feb 2017
State action · SIE May 2010
State action · SIA May 2010
State action · SIF Jul 2009
State action · SIF Jun 2004
EPA/federal action · EIE Mar 2004
EPA/federal action · EIA Mar 2004
State action · SIA Sep 1985

This profile is built from EPA public records for system LA1103023 — 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.