NORTH DESOTO WATER SYSTEM

STONEWALL, LA · ~7,608 people served

Check your exact address → STONEWALL overview

100

Excellent

PurityRadar safety score

PWSID

LA1031011

State

Louisiana

City

STONEWALL

Population served

7,608

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

Lithium

19,400 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2024 Resolved

Other · EPA contaminant 7000 began Jul 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Sep 2014 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Sep 2014 Resolved

Other · EPA contaminant 7500 began Jul 2014 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2014 Resolved

Other · EPA contaminant 7500 began Apr 2011 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2010 Resolved

Other · EPA contaminant 7000 began Oct 1999 Resolved

Recent enforcement actions

State action · SIA Nov 2024
State action · SOX Jun 2024
State action · SIA Dec 2022
State action · SOX Aug 2022
State action · SOX Aug 2017
State action · SIF Feb 2016
State action · SIA Nov 2015
State action · SIE Nov 2015

This profile is built from EPA public records for system LA1031011 — 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.