Water Quality in HAMLIN, PA (18427)

EPA violation data for public water systems serving ZIP code 18427.

1,472

Total Violations

29

Health-Based

1,443

Monitoring / Reporting

1,456

Resolved

What does this mean?

1,456 of 1,472 violations have been resolved. 29 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 1,443 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: 29 Population served: 2,445

Violations Detail (1472 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Public NoticeMonitoringN/AN/AAug 10, 2025ActiveN/A
Public NoticeMonitoringN/AN/AAug 10, 2025ActiveN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2025ResolvedN/A
TTHMMonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Haloacetic Acids (HAA5)MonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(21)

Public Notice

75

Aug 10Active

Public Notice

75

Aug 10Active

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

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

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Public Notice

75

Feb 10Active

Public Notice

75

Jan 10Active

Public Notice

75

Jan 10Active

2024(165)

Chlorine

27

Dec 31Resolved

Public Notice

75

Dec 10Active

Chlorine

27

Nov 30Resolved

Chlorine

27

Nov 30Resolved

Chlorine

27

Nov 30Resolved

Chlorine

27

Nov 30Resolved

TTHM

27

Sep 30Resolved

TTHM

27

Sep 30Resolved

TTHM

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Total Haloacetic Acids (HAA5)

27

Sep 30Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Public Notice

75

Jul 12Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

Total Haloacetic Acids (HAA5)

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

TTHM

27

Jun 30Resolved

Groundwater Rule

41

Jun 30Resolved

Groundwater Rule

41

Jun 30Resolved

Groundwater Rule

41

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

Revised Total Coliform Rule

3A

Jun 30Resolved

Public Notice

75

May 27Resolved

Public Notice

75

May 27Resolved

Revised Total Coliform Rule

4F

Apr 19Resolved

Revised Total Coliform Rule

4F

Apr 19Resolved

Revised Total Coliform Rule

2A

Apr 19Resolved

Revised Total Coliform Rule

2A

Apr 19Resolved

Revised Total Coliform Rule

2A

Apr 19Resolved

Public Notice

75

Mar 23Resolved

Public Notice

75

Mar 23Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Feb 28Resolved

Public Notice

75

Feb 12Resolved

Public Notice

75

Feb 12Resolved

Public Notice

75

Feb 12Resolved

Revised Total Coliform Rule

2B

Feb 11Resolved

Revised Total Coliform Rule

2B

Feb 11Resolved

Revised Total Coliform Rule

2B

Feb 11Resolved

Revised Total Coliform Rule

4F

Feb 11Resolved

Revised Total Coliform Rule

4F

Feb 11Resolved

Groundwater Rule

41

Jan 31Resolved

Groundwater Rule

41

Jan 31Resolved

Groundwater Rule

41

Jan 31Resolved

Groundwater Rule

31

Jan 31Resolved

Groundwater Rule

31

Jan 31Resolved

Groundwater Rule

31

Jan 31Resolved

Revised Total Coliform Rule

4F

Jan 22Resolved

Revised Total Coliform Rule

2A

Jan 22Resolved

Revised Total Coliform Rule

2A

Jan 22Resolved

Revised Total Coliform Rule

2A

Jan 22Resolved

Revised Total Coliform Rule

4F

Jan 22Resolved

E. COLI

34

Jan 14Resolved

E. COLI

34

Jan 14Resolved

E. COLI

34

Jan 14Resolved

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

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 10Active

Public Notice

75

Jan 10Active

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Resolved

Public Notice

75

Jan 10Active

Public Notice

75

Jan 10Active

Public Notice

75

Jan 10Active

How Does This Compare?

HAMLIN (18427) has 1,472 recorded violations, including 29 health-based. 16 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

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

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

Check Another ZIP Code