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Manteno, IL Tap Water Quality 2026

Water quality report for Manteno, IL — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at Manteno's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Aqua Illinois-Kankakee PWSID: IL0915030 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead is 2.60 ppb, 17% of the action level and no violations are open. No PFAS was detected.

C

Manteno earns a C for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: 2.60 ppb — 17% of the federal action level
PFAS tested, none detected
6 violations since 2015, 1 health-based
No violations currently open
Manteno's lead level vs. all Illinois community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: 2.60 ppb — 17% of the federal action level
✓ Lower lead than 54% of Illinois utilities
Population Served
9160
~29188 connections
Water Source
Surface water
Drawn from surface water — SDWIS source code SW
Active Violations
0
6 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
17% of EPA action level
2.60 ppb
Action level: 15 ppb
Copper (Cu)
90th percentile of tap samples. SDWIS reports a copper figure only when a system exceeds the action level, so any value here is an exceedance.
253.8% of EPA action level
3,300 ppb
Action level: 1,300 ppb
The 90th-percentile lead result is 2.60 ppb, 17% of the 15 ppb federal action level. The action level is a treatment trigger, not a legal maximum, and it is measured across sampled taps rather than at any single home. Copper reached the action level here; a copper figure appears in SDWIS only when a system triggers it.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
Revised Total Coliform Rule MONITORING FAILURE — — 2025 Resolved
Chloramine MONITORING AND REPORTING — 4.0 mg/L 2025 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2025 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2024 Resolved
Interim Enhanced Surface Water Treatment Rule TREATMENT TECHNIQUE — — 2024 Resolved
Lead and Copper Rule MONITORING AND REPORTING — TT 2019 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

6 violations are on record since 2015, of which 1 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Aqua Illinois-Kankakee
PWSID IL0915030
Water source Surface water — Drawn from surface water — SDWIS source code SW
Population served 9,160
Service connections 29,188
Systems serving this area 2
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is Manteno tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open. Lead is 2.60 ppb, 17% of the action level.
Does Manteno water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to Manteno? ▼
Aqua Illinois-Kankakee (PWSID IL0915030), one of 2 systems serving this area. Surface water. Drawn from surface water — SDWIS source code SW
When was this system last inspected? ▼
It was last inspected on 2025-02-11. Inspectors recorded 1 significant deficiency.

What Should Manteno Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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