GLEN ELLYN HEIGHTS SUBDIVISION

DARIEN, IL · ~1,931 people served

Check your exact address → DARIEN overview

100

Excellent

PurityRadar safety score

PWSID

IL0435500

State

Illinois

City

DARIEN

Population served

1,931

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

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

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2024 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved

Recent enforcement actions

State action · SIA Jul 2025
State action · SIF Jun 2025
State action · SOX Feb 2025
State action · SIA Jan 2025
State action · SIE Jan 2025
State action · SIF Jun 2024
State action · SOX Feb 2024
State action · SIA Oct 2023

This profile is built from EPA public records for system IL0435500 — 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.