ST. JOHN MUNICIPAL WATER UTILITY

ST. JOHN, IN · ~25,700 people served

Check your exact address → ST. JOHN overview

100

Excellent

PurityRadar safety score

PWSID

IN5245043

State

Indiana

City

ST. JOHN

Population served

25,700

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

Latest detections from EPA’s UCMR5 monitoring (through Oct 2025). Levels in parts per trillion (ppt).

Lithium

71,600 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2010. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jun 2007 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 1996 Resolved

Monitoring & reporting · EPA contaminant 2039 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2036 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2042 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2046 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2051 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2050 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2041 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2037 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2040 began Jul 1994 Resolved

Monitoring & reporting · EPA contaminant 2065 began Jul 1994 Resolved

Recent enforcement actions

State action · SOX May 2010
State action · SOX Jan 2008
State action · SFH Jul 2007
State action · SIE Jul 2007
State action · SIA Jul 2007
State action · SIF Nov 1996
State action · SIF Dec 1994
State action · SOX Dec 1994

This profile is built from EPA public records for system IN5245043 — 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.