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Water system · PWSID MO6031357

CONFLUENCE RIVERS FAWN LAKE WATER SYSTEM

DES PERES, MO · ~72 people served

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

PWSID

MO6031357

State

Missouri

City

DES PERES

Population served

72

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

20

Violations on record

2

Unaddressed

6

Health-based

46

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2020. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2024 Unaddressed
Monitoring & reporting · EPA contaminant 3014 began Dec 2013 Unaddressed
Other · EPA contaminant 7500 began Mar 2017 Resolved
Treatment technique · EPA contaminant 0700 health-based began Nov 2016 Resolved
Other · EPA contaminant 0700 began Aug 2016 Resolved
Other · EPA contaminant 7500 began Feb 2014 Resolved
Treatment technique · EPA contaminant 0700 health-based began Nov 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2010 Resolved
Monitoring & reporting · Total coliform began Jul 2010 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Other · EPA contaminant 7000 began Jul 2009 Resolved

Recent enforcement actions

  • State action · SIA Apr 2020
  • State action · SIA Nov 2019
  • State action · SIA Dec 2018
  • State action · SOX Apr 2018
  • State action · SOX Apr 2018
  • State action · SOX Apr 2018
  • State action · SIF Feb 2018
  • State action · SOX Jan 2018

This profile is built from EPA public records for system MO6031357 — 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.