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Water system · PWSID LA1019091

MAGNOLIA-LAKE STREET

DES PERES, MO · ~651 people served

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

PWSID

LA1019091

State

Missouri

City

DES PERES

Population served

651

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

16

Violations on record

0

Unaddressed

1

Health-based

54

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2022. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jan 2022 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2014 Resolved
Monitoring & reporting · Total coliform began Jul 2014 Resolved
Monitoring & reporting · Total coliform began May 2014 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2014 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2013 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2013 Resolved
Other · EPA contaminant 7500 began May 2011 Resolved
Monitoring & reporting · EPA contaminant 3014 began Apr 2011 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2011 Resolved
Monitoring & reporting · Total coliform began May 2008 Resolved
Monitoring & reporting · Total coliform began Dec 2007 Resolved

Recent enforcement actions

  • State action · SOX Sep 2022
  • State action · SIF Jul 2022
  • State action · SIE Jul 2022
  • State action · SIA Jul 2022
  • State action · SOX Aug 2017
  • State action · SOX Sep 2014
  • State action · SOX Sep 2014
  • State action · SIF Sep 2014

This profile is built from EPA public records for system LA1019091 — 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.