Water Quality in SHERIDAN, IL (60551)

EPA violation data for public water systems serving ZIP code 60551.

158

Total Violations

59

Health-Based

99

Monitoring / Reporting

140

Resolved

What does this mean?

140 of 158 violations have been resolved. 59 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 99 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: 31 Population served: 3,654

Violations Detail (158 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/AJul 23, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AJul 23, 2025ResolvedN/A
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Revised Total Coliform RuleMonitoringN/AN/AJun 30, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 23, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 23, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 23, 2025ResolvedN/A
Revised Total Coliform RuleHealth-BasedN/AN/AMay 23, 2025ResolvedN/A
E. COLIMonitoring0N/AMay 7, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AMay 7, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations

Violation Timeline

2025(14)

Public Notice

75

Jul 23Resolved

Public Notice

75

Jul 23Resolved

Consumer Confidence Rule

72

Jun 30Active

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

2B

May 23Resolved

Revised Total Coliform Rule

2B

May 23Resolved

Revised Total Coliform Rule

2B

May 23Resolved

Revised Total Coliform Rule

2B

May 23Resolved

E. COLI

34

May 7Resolved

E. COLI

34

May 7Resolved

E. COLI

34

May 7Resolved

E. COLI

34

Apr 7Active

E. COLI

34

Apr 7Active

E. COLI

34

Apr 7Active

2024(24)

Public Notice

75

Nov 1Active

Public Notice

75

Jul 26Active

Public Notice

75

Jul 24Active

Public Notice

75

Jul 6Resolved

Public Notice

75

Jul 6Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

2D

Apr 1Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

Revised Total Coliform Rule

3A

Mar 31Resolved

How Does This Compare?

SHERIDAN (60551) has 158 recorded violations, including 59 health-based. 18 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

One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.

Targets:Nitrate, Nitrite, Dissolved Solids

Look for:NSF/ANSI 58 certified

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

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

Nearby ZIP Codes

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