Water Quality in LANCASTER, PA (17602)

EPA violation data for public water systems serving ZIP code 17602.

245

Total Violations

16

Health-Based

229

Monitoring / Reporting

243

Resolved

What does this mean?

243 of 245 violations have been resolved. 16 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 229 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: 30 Population served: 5,054

Violations Detail (245 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
Groundwater RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Groundwater RuleMonitoringN/AN/AMay 31, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMay 12, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMay 12, 2025ResolvedN/A
Public NoticeMonitoringN/AN/AMay 12, 2025ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AApr 30, 2025ResolvedN/A
Groundwater RuleHealth-BasedN/AN/AApr 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(15)

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

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

Groundwater Rule

41

Apr 30Resolved

Groundwater Rule

41

Apr 30Resolved

Groundwater Rule

41

Apr 30Resolved

2024(69)

Groundwater Rule

31

Dec 31Resolved

Groundwater Rule

31

Dec 31Resolved

Chlorine

27

Sep 30Resolved

Chlorine

27

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Consumer Confidence Rule

72

Sep 30Resolved

Consumer Confidence Rule

71

Jun 30Resolved

Toluene

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloropropane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

1,2-Dichloroethane

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

Benzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

1,2,4-Trichlorobenzene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Toluene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Trichloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

Tetrachloroethylene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

o-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

p-Dichlorobenzene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

1,1-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

trans-1,2-Dichloroethylene

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

1,1,2-Trichloroethane

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

Styrene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

DICHLOROMETHANE

03

Jun 30Resolved

1,1,1-Trichloroethane

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

cis-1,2-Dichloroethylene

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

Xylenes, Total

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

CHLOROBENZENE

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Ethylbenzene

03

Jun 30Resolved

Carbon tetrachloride

03

Jun 30Resolved

Groundwater Rule

31

May 31Resolved

Groundwater Rule

31

May 31Resolved

How Does This Compare?

LANCASTER (17602) has 245 recorded violations, including 16 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.

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