MAGNOLIA-GREENLEAVES

DES PERES, MO · ~8,031 people served

Check your exact address → DES PERES overview

100

Excellent

PurityRadar safety score

PWSID

LA1103118

State

Missouri

City

DES PERES

Population served

8,031

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

Lithium

12,000 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Oct 2013 Resolved

Other · EPA contaminant 7000 began Jul 2013 Resolved

Other · EPA contaminant 7000 began Oct 2010 Resolved

Other · EPA contaminant 7000 began Jul 2010 Resolved

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

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

Other · EPA contaminant 7000 began Jul 2007 Resolved

Monitoring & reporting · Lead & Copper Rule began Dec 2006 Resolved

Other · EPA contaminant 7000 began Jul 2006 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2006 Resolved

Recent enforcement actions

State action · SOX Aug 2017
State action · SOX Mar 2014
State action · SOX Mar 2014
State action · SIA Dec 2013
State action · SIA Dec 2013
State action · SOX Dec 2013
State action · SOX Nov 2010
State action · SIA Oct 2010

This profile is built from EPA public records for system LA1103118 — 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.