BARRINGTON

BARRINGTON, IL · ~10,327 people served

Check your exact address → BARRINGTON overview

100

Excellent

PurityRadar safety score

PWSID

IL0974080

State

Illinois

City

BARRINGTON

Population served

10,327

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

Lithium

10,700 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 1994. Official EPA record →

Treatment technique · Lead & Copper Rule health-based began Apr 1993 Resolved

Recent enforcement actions

State action · SOX Dec 1994
State action · SIA Sep 1988
State action · SIE Sep 1988
State action · SIE Sep 1985
State action · SIA Sep 1985
State action · SIA Sep 1985
State action · SIE Sep 1985
State action · SIE Sep 1982

This profile is built from EPA public records for system IL0974080 — 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.