Water Quality in WOODSTOCK, IL (60098)

EPA violation data for public water systems serving ZIP code 60098.

840

Total Violations

14

Health-Based

826

Monitoring / Reporting

832

Resolved

What does this mean?

832 of 840 violations have been resolved. 14 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 826 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: 249 Population served: 40,409

Violations Detail (840 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Lead and Copper RuleMonitoringN/AN/ASep 8, 2025ActiveN/A
Groundwater RuleHealth-BasedN/AN/AJul 12, 2025ActiveN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
TTHMMonitoringN/AN/AMar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AMar 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMar 4, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMar 4, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(12)

Lead and Copper Rule

66

Sep 8Active

Groundwater Rule

45

Jul 12Active

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

TTHM

27

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

Total Haloacetic Acids (HAA5)

27

Mar 31Resolved

Public Notice

75

Mar 4Resolved

Public Notice

75

Mar 4Resolved

Public Notice

75

Feb 28Active

Public Notice

75

Feb 28Active

2024(46)

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

TTHM

27

Dec 31Resolved

Total Haloacetic Acids (HAA5)

27

Dec 31Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

4G

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

Public Notice

75

Aug 14Resolved

Public Notice

75

Aug 14Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Public Notice

75

Jul 20Active

Revised Total Coliform Rule

2D

May 1Resolved

Revised Total Coliform Rule

2D

May 1Resolved

Revised Total Coliform Rule

2D

May 1Resolved

Public Notice

75

Apr 23Resolved

Public Notice

75

Apr 23Resolved

Lead and Copper Rule

57

Apr 1Resolved

Lead and Copper Rule

57

Apr 1Resolved

Lead and Copper Rule

57

Apr 1Resolved

Lead and Copper Rule

57

Apr 1Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Public Notice

75

Feb 14Resolved

Lead and Copper Rule

66

Feb 7Resolved

Lead and Copper Rule

66

Feb 7Resolved

How Does This Compare?

WOODSTOCK (60098) has 840 recorded violations, including 14 health-based. 8 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 →

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 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.

Nearby ZIP Codes

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