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Water system · PWSID IL2010300

ROCKFORD

ROCKFORD, IL · ~147,051 people served

Check your exact address → ROCKFORD overview
97
Excellent
PurityRadar safety score

PWSID

IL2010300

State

Illinois

City

ROCKFORD

Population served

147,051

Primary source

Groundwater

Score history

▼ 3 points — the score moved from 100 to 97 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 97

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 Apr 2024). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

6.6 ppt

limit 10 ppt

Near EPA limit

PFPeA

4.4 ppt

limit —

No federal limit

Violations & enforcement

39

Violations on record

0

Unaddressed

33

Health-based

123

Enforcement actions

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

Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 2380 began Jan 2023 Resolved
Monitoring & reporting · Nitrate began Jan 2022 Resolved
Monitoring & reporting · Nitrite began Jan 2020 Resolved
Monitoring & reporting · Nitrite began Jan 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2012 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2011 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2011 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2011 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2011 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2010 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2010 Resolved

Recent enforcement actions

  • State action · SIF Jul 2025
  • State action · SOX Jan 2025
  • State action · SIA Jan 2025
  • State action · SIE Jan 2025
  • State action · SIF Jul 2024
  • State action · SOX Mar 2024
  • State action · SIE Jan 2024
  • State action · SIA Jan 2024

This profile is built from EPA public records for system IL2010300 — 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.