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Water system · PWSID LA1103171

MAGNOLIA-LAKESHORE ESTATES

DES PERES, MO · ~4,146 people served

Check your exact address → DES PERES overview
100
Excellent
PurityRadar safety score

PWSID

LA1103171

State

Missouri

City

DES PERES

Population served

4,146

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

10

Violations on record

0

Unaddressed

2

Health-based

28

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2021. Official EPA record →

Other · EPA contaminant 7500 began Apr 2019 Resolved
Treatment technique · EPA contaminant 0700 health-based began Feb 2019 Resolved
Treatment technique · EPA contaminant 0700 health-based began Feb 2019 Resolved
Monitoring & reporting · Total coliform began Jul 2013 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2013 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2013 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Other · EPA contaminant 7000 began Jul 2005 Resolved
Other · EPA contaminant 7000 began Jul 2003 Resolved
Other · EPA contaminant 7000 began Jul 2001 Resolved

Recent enforcement actions

  • State action · SOX Jun 2021
  • State action · SOX Jun 2021
  • State action · SOX Oct 2019
  • State action · SOX Oct 2019
  • State action · SIF Oct 2019
  • State action · SOX Oct 2019
  • State action · SIA Aug 2019
  • State action · SIA Mar 2019

This profile is built from EPA public records for system LA1103171 — 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.