Water Quality in KING OF PRUSSIA, PA (19406)

EPA violation data for public water systems serving ZIP code 19406.

217

Total Violations

10

Health-Based

207

Monitoring / Reporting

215

Resolved

What does this mean?

215 of 217 violations have been resolved. 10 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 207 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: 18 Population served: 7,122

Violations Detail (217 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/ANov 2, 2025ActiveN/A
ArsenicHealth-BasedN/A0.011Jun 30, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
ArsenicHealth-BasedN/A0.011Jun 30, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
ArsenicHealth-BasedN/A0.011Jun 30, 2025ResolvedSkin damage; circulatory system problems; increased risk of cancer
Consumer Confidence RuleMonitoringN/AN/AJun 30, 2025ActiveN/A
Groundwater RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AApr 30, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AFeb 28, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AFeb 28, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(20)

Public Notice

75

Nov 2Active

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Arsenic

02

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Active

Groundwater Rule

31

Apr 30Resolved

Groundwater Rule

31

Apr 30Resolved

Groundwater Rule

31

Apr 30Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Feb 28Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

Revised Total Coliform Rule

3A

Jan 31Resolved

2024(99)

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Dec 31Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Revised Total Coliform Rule

3A

Nov 30Resolved

Groundwater Rule

31

Nov 30Resolved

Groundwater Rule

31

Nov 30Resolved

Groundwater Rule

31

Nov 30Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 31Resolved

Revised Total Coliform Rule

3A

Oct 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

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

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Sep 30Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Revised Total Coliform Rule

3A

Aug 31Resolved

Groundwater Rule

31

Aug 31Resolved

Groundwater Rule

31

Aug 31Resolved

Groundwater Rule

31

Aug 31Resolved

Groundwater Rule

31

Aug 31Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

How Does This Compare?

KING OF PRUSSIA (19406) has 217 recorded violations, including 10 health-based. 2 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

Check Another ZIP Code