BELVIDERE

BELVIDERE, IL · ~25,339 people served

Check your exact address → BELVIDERE overview

Excellent

PurityRadar safety score

PWSID

IL0070050

State

Illinois

City

BELVIDERE

Population served

25,339

Primary source

Groundwater

Score history

▼ 1 point — the score moved from 100 to 99 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 99

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 Mar 2025). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

5.5 ppt

limit 10 ppt

Near EPA limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed

Monitoring & reporting · EPA contaminant 2987 began Jul 2018 Resolved

Monitoring & reporting · EPA contaminant 2984 began Jul 2018 Resolved

Monitoring & reporting · EPA contaminant 2976 began Jul 2018 Resolved

Monitoring & reporting · Nitrate began Jan 2011 Resolved

Monitoring & reporting · Gross alpha began Jun 1977 Resolved

Recent enforcement actions

State action · SIA Aug 2025
State action · SOX Oct 2018
State action · SIA Oct 2018
State action · SIF Jun 2012
State action · SOX Jan 2012
State action · SIE Jan 2012
State action · SIA Jan 2012
State action · SOX Aug 1993

This profile is built from EPA public records for system IL0070050 — 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.