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Water system · PWSID IL0314860

STEGER

MANTENO, IL · ~9,700 people served

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

PWSID

IL0314860

State

Illinois

City

MANTENO

Population served

9,700

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

Lithium

37,000 ppt

limit —

No federal limit

Violations & enforcement

18

Violations on record

2

Unaddressed

4

Health-based

67

Enforcement actions

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

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7000 began Jul 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Dec 2020 Resolved
Monitoring & reporting · Nitrate began Jan 2020 Resolved
Monitoring & reporting · Nitrite began Jan 2020 Resolved
Other · EPA contaminant 7000 began Jul 2019 Resolved
Other · EPA contaminant 7000 began Jul 2017 Resolved
Other · EPA contaminant 7000 began Jul 2016 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jan 2016 Resolved
Monitoring & reporting · Total coliform began Jul 2015 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2015 Resolved
Monitoring & reporting · Total coliform began Sep 2014 Resolved

Recent enforcement actions

  • State action · SIA Oct 2025
  • State action · SIA Oct 2024
  • State action · SIF Jun 2023
  • State action · SIF Jun 2023
  • State action · SOX Mar 2023
  • State action · SIA Feb 2023
  • State action · SIA Feb 2023
  • State action · SIE Feb 2023

This profile is built from EPA public records for system IL0314860 — 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.