CIMMARON BAY SUBDIVISION

DES PERES, MO · ~160 people served

Check your exact address → DES PERES overview

100

Excellent

PurityRadar safety score

PWSID

MO3031290

State

Missouri

City

DES PERES

Population served

160

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2024 Unaddressed

Max contaminant level (MCL) · Total coliform health-based began Dec 2004 Resolved

Monitoring & reporting · Gross alpha began Oct 2004 Resolved

Monitoring & reporting · Uranium began Sep 2004 Resolved

Other · EPA contaminant 7000 began Jul 2004 Resolved

Monitoring & reporting · Uranium began Jun 2004 Resolved

Other · EPA contaminant 7000 began Jul 2003 Resolved

Monitoring & reporting · Total coliform began Mar 2003 Resolved

Other · EPA contaminant 7000 began Jul 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Jul 2002 Resolved

Monitoring & reporting · Lead & Copper Rule began Jan 2000 Resolved

Recent enforcement actions

State action · SIE Jun 2025
State action · SIA Jun 2025
State action · SOX Feb 2009
State action · SFK Jan 2008
State action · SOX Aug 2007
State action · SOX Sep 2005
State action · SIF Feb 2005
State action · SIE Jan 2005

This profile is built from EPA public records for system MO3031290 — 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.