Water Quality in GLEN ROCK, NJ (07452)

EPA violation data for public water systems serving ZIP code 07452.

105

Total Violations

10

Health-Based

95

Monitoring / Reporting

97

Resolved

What does this mean?

97 of 105 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 95 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: 11 Population served: 6,683

Violations Detail (105 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
E. COLIMonitoring0N/AFeb 17, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
E. COLIMonitoring0N/AFeb 17, 2025ResolvedSevere gastrointestinal illness; may be fatal in vulnerable populations
ChlorineMonitoringN/AN/ADec 31, 2024ResolvedEye and nose irritation; stomach discomfort
ChlorineMonitoringN/AN/ADec 31, 2024ResolvedEye and nose irritation; stomach discomfort
Revised Total Coliform RuleMonitoringN/AN/AOct 10, 2024ActiveN/A
Lead and Copper RuleMonitoringN/AN/ASep 28, 2024ResolvedN/A
Lead and Copper RuleMonitoringN/AN/ASep 28, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2024ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2024ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(2)

E. COLI

34

Feb 17Resolved

E. COLI

34

Feb 17Resolved

2024(20)

Chlorine

27

Dec 31Resolved

Chlorine

27

Dec 31Resolved

Revised Total Coliform Rule

4B

Oct 10Active

Lead and Copper Rule

66

Sep 28Resolved

Lead and Copper Rule

66

Sep 28Resolved

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

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

May 31Resolved

Revised Total Coliform Rule

3A

Apr 30Resolved

How Does This Compare?

GLEN ROCK (07452) has 105 recorded violations, including 10 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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