Water Quality in HARPSWELL, ME (04079)

EPA violation data for public water systems serving ZIP code 04079.

131

Total Violations

Health-Based

117

Monitoring / Reporting

121

Resolved

What does this mean?

121 of 131 violations have been resolved. 14 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 117 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: 16 Population served: 1,820

Violations Detail (131 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2025	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 30, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2024	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jul 30, 2024	Active	N/A
Public Notice	Monitoring	N/A	N/A	Jun 9, 2024	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Jun 9, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 13, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 13, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2023	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jul 31, 2023	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 30, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	May 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jan 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	Liver problems; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	May 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(2)

Revised Total Coliform Rule

Jul 31Active

Public Notice

Jul 30Active

2024(6)

Revised Total Coliform Rule

Jul 31Active

Revised Total Coliform Rule

Jul 31Active

Public Notice

Jul 30Active

Public Notice

Jul 30Active

Public Notice

Jun 9Resolved

Public Notice

Jun 9Resolved

2021(102)

Lead and Copper Rule

Dec 29Resolved

Lead and Copper Rule

Dec 29Resolved

Lead and Copper Rule

Dec 29Resolved

Lead and Copper Rule

Dec 29Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

Tetrachloroethylene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

o-Dichlorobenzene

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

p-Dichlorobenzene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

1,1-Dichloroethylene

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

1,1,1-Trichloroethane

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

1,2-Dichloropropane

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

1,1,2-Trichloroethane

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

CHLOROBENZENE

Jun 30Resolved

Ethylbenzene

Jun 30Resolved

Ethylbenzene

Jun 30Resolved

Ethylbenzene

Jun 30Resolved

Ethylbenzene

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

Trichloroethylene

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

cis-1,2-Dichloroethylene

Jun 30Resolved

Xylenes, Total

Jun 30Resolved

Xylenes, Total

Jun 30Resolved

Xylenes, Total

Jun 30Resolved

Xylenes, Total

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

DICHLOROMETHANE

Jun 30Resolved

Benzene

Jun 30Resolved

Benzene

Jun 30Resolved

Benzene

Jun 30Resolved

Benzene

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

Styrene

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

1,2,4-Trichlorobenzene

Jun 30Resolved

Toluene

Jun 30Resolved

Toluene

Jun 30Resolved

Toluene

Jun 30Resolved

Toluene

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

1,2-Dichloroethane

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

Vinyl chloride

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Carbon tetrachloride

Jun 30Resolved

Styrene

Jun 30Resolved

Styrene

Jun 30Resolved

Styrene

Jun 30Resolved

trans-1,2-Dichloroethylene

Jun 30Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

Revised Total Coliform Rule

May 31Resolved

How Does This Compare?

HARPSWELL (04079) has 131 recorded violations, including 14 health-based. 10 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 →

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.

Water Quality in HARPSWELL, ME (04079)

What does this mean?

Violations Detail (131 total)

Lead & Copper Levels

Violation Timeline

2025(2)

2024(6)

2023(21)

2021(102)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

Check Another ZIP Code