Water Quality in SENECA, IL (61360)

EPA violation data for public water systems serving ZIP code 61360.

Total Violations

Health-Based

Monitoring / Reporting

Resolved

What does this mean?

42 of 71 violations have been resolved. 15 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 56 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 15 Population served: 7,231

Violations Detail (71 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 11, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 18, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 18, 2025	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jul 17, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 3, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 1, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 1, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 1, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jan 21, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Nov 1, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 24, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 6, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 20, 2024	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2024	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jan 26, 2024	Active	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Public Notice	Monitoring	N/A	N/A	Nov 3, 2023	Active	N/A
Public Notice	Monitoring	N/A	N/A	Aug 2, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 23, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 1, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Feb 1, 2023	Active	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Sep 9, 2022	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2022	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2022	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 29, 2022	Active	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Apr 16, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Apr 16, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2021	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2021	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 30, 2021	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(11)

Revised Total Coliform Rule

Sep 11Active

Public Notice

Jul 18Resolved

Public Notice

Jul 18Resolved

Public Notice

Jul 17Active

Public Notice

Jul 3Active

Revised Total Coliform Rule

May 1Active

Revised Total Coliform Rule

May 1Active

Revised Total Coliform Rule

May 1Active

Revised Total Coliform Rule

Apr 1Active

Revised Total Coliform Rule

Apr 1Active

Public Notice

Jan 21Active

2024(13)

Public Notice

Nov 1Active

Public Notice

Jul 24Active

Public Notice

Jul 6Active

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Public Notice

Jun 20Active

Revised Total Coliform Rule

Apr 1Active

Revised Total Coliform Rule

Apr 1Active

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Public Notice

Jan 26Active

How Does This Compare?

SENECA (61360) has 71 recorded violations, including 15 health-based. 29 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

NSF Certified Products → EPA Safe Drinking Water Guide →

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) certified

NSF Certified Products → EPA Safe Drinking Water Guide →

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Water Quality in SENECA, IL (61360)

What does this mean?

Violations Detail (71 total)

Lead & Copper Levels

Violation Timeline

2025(11)

2024(13)

2023(18)

2022(20)

2021(9)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

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