Home/ Directory/ IL/ SAUK

Water system · PWSID IL0312790

SAUK

100
Excellent
PurityRadar safety score

PWSID

IL0312790

State

Illinois

City

SAUK VILLAGE

Population served

9,921

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

Lithium

69,900 ppt

limit —

No federal limit

Violations & enforcement

188

Violations on record

0

Unaddressed

3

Health-based

231

Enforcement actions

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

Other · EPA contaminant 7500 began Jul 2025 Resolved
Other · EPA contaminant 7500 began Jul 2025 Resolved
Other · EPA contaminant 7500 began Jul 2025 Resolved
Other · EPA contaminant 7500 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2025 Resolved
Other · EPA contaminant 7000 began Jul 2024 Resolved
Monitoring & reporting · EPA contaminant 2977 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 2969 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 2979 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 2380 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 2968 began Apr 2024 Resolved
Monitoring & reporting · EPA contaminant 2378 began Apr 2024 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SOX Sep 2025
  • State action · SOX Aug 2025
  • State action · SOX Aug 2025
  • State action · SOX Aug 2025
  • State action · SOX Aug 2025
  • State action · SIA Aug 2025
  • State action · SIA Aug 2025

This profile is built from EPA public records for system IL0312790 — 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.