Water Quality in GLEN MILLS, PA (19342)

EPA violation data for public water systems serving ZIP code 19342.

322

Total Violations

38

Health-Based

284

Monitoring / Reporting

319

Resolved

What does this mean?

319 of 322 violations have been resolved. 38 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 284 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: 25 Population served: 3,413

Violations Detail (322 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Revised Total Coliform RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
ChlorineMonitoringN/AN/AJul 31, 2025ResolvedEye and nose irritation; stomach discomfort
ChlorineMonitoringN/AN/AJul 31, 2025ResolvedEye and nose irritation; stomach discomfort
Groundwater RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AJul 31, 2025ResolvedN/A
ChlorineMonitoringN/AN/AJul 31, 2025ResolvedEye and nose irritation; stomach discomfort
ChlorineMonitoringN/AN/AJul 31, 2025ResolvedEye and nose irritation; stomach discomfort
DiquatMonitoringN/AN/AJun 30, 2025ResolvedN/A
DiquatMonitoringN/AN/AJun 30, 2025ResolvedN/A

Violation Timeline

2025(20)

Revised Total Coliform Rule

3A

Jul 31Resolved

Revised Total Coliform Rule

3A

Jul 31Resolved

Chlorine

27

Jul 31Resolved

Chlorine

27

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Groundwater Rule

31

Jul 31Resolved

Chlorine

27

Jul 31Resolved

Chlorine

27

Jul 31Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

Revised Total Coliform Rule

3A

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Diquat

03

Mar 31Resolved

Diquat

03

Mar 31Resolved

2024(74)

Nitrite

03

Dec 31Resolved

Nitrate

03

Dec 31Resolved

Lead and Copper Rule

66

Dec 31Resolved

Lead and Copper Rule

66

Dec 31Resolved

Lead and Copper Rule

66

Dec 31Resolved

Groundwater Rule

45

Nov 29Resolved

Groundwater Rule

45

Nov 29Resolved

Groundwater Rule

45

Nov 29Resolved

Groundwater Rule

45

Nov 29Resolved

Chlorine

27

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Groundwater Rule

20

Aug 28Resolved

Groundwater Rule

20

Aug 28Resolved

Groundwater Rule

20

Aug 28Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Diquat

03

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

31

Jun 30Resolved

Groundwater Rule

41

Jun 30Resolved

Groundwater Rule

41

Jun 30Resolved

Groundwater Rule

41

Jun 30Resolved

Groundwater Rule

41

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

Public Notice

75

Jun 12Resolved

Public Notice

75

Jun 12Resolved

Public Notice

75

Jun 12Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

41

May 31Resolved

Groundwater Rule

41

May 31Resolved

Groundwater Rule

41

May 31Resolved

Groundwater Rule

41

May 31Resolved

Groundwater Rule

20

May 14Resolved

Groundwater Rule

20

May 14Resolved

Groundwater Rule

20

May 14Resolved

Public Notice

75

May 12Resolved

Public Notice

75

May 12Resolved

Public Notice

75

May 12Resolved

Public Notice

75

May 12Resolved

Groundwater Rule

41

Apr 30Resolved

Groundwater Rule

41

Apr 30Resolved

Groundwater Rule

41

Apr 30Resolved

Groundwater Rule

41

Apr 30Resolved

Public Notice

75

Apr 12Resolved

Public Notice

75

Apr 12Resolved

Public Notice

75

Apr 12Resolved

Groundwater Rule

41

Mar 31Resolved

Groundwater Rule

41

Mar 31Resolved

Groundwater Rule

41

Mar 31Resolved

Groundwater Rule

41

Mar 31Resolved

Public Notice

75

Mar 12Resolved

Public Notice

75

Mar 12Resolved

Public Notice

75

Mar 12Resolved

Groundwater Rule

41

Feb 29Resolved

Groundwater Rule

41

Feb 29Resolved

Groundwater Rule

41

Feb 29Resolved

Groundwater Rule

41

Feb 29Resolved

Groundwater Rule

20

Jan 29Resolved

Groundwater Rule

20

Jan 29Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

How Does This Compare?

GLEN MILLS (19342) has 322 recorded violations, including 38 health-based. 3 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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