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Water system · PWSID MO5036197

FOX WOODS SUBDIVISION

SHELL KNOB, MO · ~125 people served

Check your exact address → SHELL KNOB overview
100
Excellent
PurityRadar safety score

PWSID

MO5036197

State

Missouri

City

SHELL KNOB

Population served

125

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

1

Unaddressed

5

Health-based

36

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2024. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Dec 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2019 Resolved
Monitoring & reporting · Total coliform began Nov 2008 Resolved
Monitoring & reporting · Total coliform began Oct 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2002 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1997 Resolved
Monitoring & reporting · Total coliform began Apr 1997 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1996 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 1994 Resolved

Recent enforcement actions

  • State action · SIA Apr 2024
  • State action · SOX Nov 2019
  • State action · SOX Jan 2014
  • State action · SOX Jan 2014
  • State action · SIF Dec 2008
  • State action · SIA Dec 2008
  • State action · SIE Dec 2008
  • State action · SIA Nov 2005

This profile is built from EPA public records for system MO5036197 — 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.