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Water system · PWSID IL1110350

HUNTLEY

HUNTLEY, IL · ~28,495 people served

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

PWSID

IL1110350

State

Illinois

City

HUNTLEY

Population served

28,495

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

14

Violations on record

0

Unaddressed

13

Health-based

57

Enforcement actions

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

Max contaminant level (MCL) · Uranium health-based began Jan 2008 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2007 Resolved
Monitoring & reporting · Uranium began Jul 2006 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2000 Resolved
Max contaminant level (MCL) · Uranium health-based began Sep 1997 Resolved
Max contaminant level (MCL) · Barium health-based began Jul 1997 Resolved
Max contaminant level (MCL) · Barium health-based began Apr 1997 Resolved
Max contaminant level (MCL) · Barium health-based began Jan 1997 Resolved
Max contaminant level (MCL) · Barium health-based began Oct 1996 Resolved
Max contaminant level (MCL) · Barium health-based began Jul 1996 Resolved
Max contaminant level (MCL) · Barium health-based began Apr 1996 Resolved

Recent enforcement actions

  • State action · SFJ Oct 2025
  • State action · SFK Oct 2025
  • State action · SOX Oct 2025
  • State action · SIF May 2008
  • State action · SFJ Apr 2008
  • State action · SIE Apr 2008
  • State action · SIA Apr 2008
  • State action · SOX Apr 2008

This profile is built from EPA public records for system IL1110350 — 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.