Home/ Directory/ MO/ MO AMERICAN ROGUE CREEK UTILITIES

Water system · PWSID MO4036318

MO AMERICAN ROGUE CREEK UTILITIES

CHESTERFIELD, MO · ~276 people served

Check your exact address → CHESTERFIELD overview
100
Excellent
PurityRadar safety score

PWSID

MO4036318

State

Missouri

City

CHESTERFIELD

Population served

276

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

55

Violations on record

0

Unaddressed

3

Health-based

143

Enforcement actions

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

Other · EPA contaminant 7500 began Apr 2017 Resolved
Other · EPA contaminant 7500 began Mar 2017 Resolved
Other · EPA contaminant 7500 began Feb 2017 Resolved
Other · EPA contaminant 7500 began Feb 2017 Resolved
Monitoring · Lead & Copper Rule began Feb 2017 Resolved
Other · EPA contaminant 7500 began Jan 2017 Resolved
Other · EPA contaminant 7500 began Dec 2016 Resolved
Other · EPA contaminant 7500 began Nov 2016 Resolved
Monitoring · Lead & Copper Rule began Oct 2016 Resolved
Other · EPA contaminant 7500 began Aug 2016 Resolved
Treatment technique · EPA contaminant 0700 health-based began Jul 2016 Resolved
Other · EPA contaminant 7500 began Jul 2016 Resolved

Recent enforcement actions

  • State action · SIA Apr 2020
  • State action · SIA Dec 2018
  • State action · SIA May 2018
  • State action · SOX Mar 2018
  • State action · SOX Mar 2018
  • State action · SIA Dec 2017
  • State action · SOX Sep 2017
  • State action · SOX Aug 2017

This profile is built from EPA public records for system MO4036318 — 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.