JOHNSTON CITY

JOHNSTON CITY, IL · ~3,509 people served

Check your exact address → JOHNSTON CITY overview

100

Excellent

PurityRadar safety score

PWSID

IL1990500

State

Illinois

City

JOHNSTON CITY

Population served

3,509

Primary source

SWP

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 Nov 2023). Levels in parts per trillion (ppt).

PFBA

5.2 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Sep 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Jul 2025 Unaddressed

Other · EPA contaminant 7500 began Aug 2025 Resolved

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved

Other · EPA contaminant 7000 began Jul 2024 Resolved

Other · EPA contaminant 7000 began Jul 2018 Resolved

Monitoring & reporting · EPA contaminant 1006 began Jan 2011 Resolved

Recent enforcement actions

State action · SIF Sep 2025
State action · SIA Sep 2025
State action · SOX Sep 2025
State action · SIE Jul 2025
State action · SIA Jul 2025
State action · SIA Jul 2025
State action · SIE Jul 2025
State action · SOX Apr 2025

This profile is built from EPA public records for system IL1990500 — 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.