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Water system · PWSID IL1330300

WATERLOO

WATERLOO, IL · ~10,190 people served

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

PWSID

IL1330300

State

Illinois

City

WATERLOO

Population served

10,190

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

Lithium

19,500 ppt

limit —

No federal limit

PFBA

17 ppt

limit —

No federal limit

PFPeA

3.2 ppt

limit —

No federal limit

Violations & enforcement

32

Violations on record

0

Unaddressed

0

Health-based

42

Enforcement actions

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

Monitoring & reporting · EPA contaminant 2979 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2980 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2969 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2968 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2964 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2977 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2955 began Apr 2025 Resolved
Monitoring & reporting · Uranium began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2976 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2378 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2380 began Apr 2025 Resolved
Monitoring & reporting · EPA contaminant 2981 began Apr 2025 Resolved

Recent enforcement actions

  • State action · SOX Oct 2025
  • State action · SOX Oct 2025
  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SOX Aug 2025
  • State action · SIE Jul 2025
  • State action · SIA Jul 2025
  • State action · SIE Jul 2025

This profile is built from EPA public records for system IL1330300 — 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.