MAGNOLIA-THE MEADOWS

DES PERES, MO · ~4,701 people served

Check your exact address → DES PERES overview

100

Excellent

PurityRadar safety score

PWSID

LA1103106

State

Missouri

City

DES PERES

Population served

4,701

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

Lithium

22,800 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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2015 Resolved

Monitoring & reporting · EPA contaminant 0600 began Jul 2010 Resolved

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

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

Other · EPA contaminant 7000 began Oct 1999 Resolved

Recent enforcement actions

State action · SIA Nov 2024
State action · SOX Jul 2024
State action · SOX Mar 2015
State action · SIA Feb 2015
State action · SOX Mar 2014
EPA/federal action · EOX Mar 2013
State action · SOX Sep 2008
EPA/federal action · EOX Oct 2000

This profile is built from EPA public records for system LA1103106 — 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.