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Water system · PWSID MO4010557

NAYLOR PWS

NAYLOR, MO · ~471 people served

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

PWSID

MO4010557

State

Missouri

City

NAYLOR

Population served

471

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

23

Violations on record

0

Unaddressed

1

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2008. Official EPA record →

Monitoring & reporting · EPA contaminant 0600 began Apr 2008 Resolved
Max contaminant level (MCL) · Thallium health-based began Oct 1998 Resolved
Monitoring & reporting · EPA contaminant 2982 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2980 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2977 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2969 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2981 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2984 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2976 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2964 began Jan 1994 Resolved
Monitoring & reporting · EPA contaminant 2983 began Jan 1994 Resolved

Recent enforcement actions

  • EPA/federal action · EOX May 2008
  • EPA/federal action · EIA May 2008
  • State action · SOX Nov 2006
  • State action · SIF Aug 1999
  • State action · SOX Mar 1995
  • State action · SFH Aug 1994
  • State action · SIF Dec 1991
  • State action · SIE Dec 1991

This profile is built from EPA public records for system MO4010557 — 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.