Water Quality in WILLIAMSTOWN, NJ (08094)

EPA violation data for public water systems serving ZIP code 08094.

204

Total Violations

Health-Based

187

Monitoring / Reporting

194

Resolved

What does this mean?

194 of 204 violations have been resolved. 17 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 187 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: 139 Population served: 46,562

Violations Detail (204 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 10, 2025	Active	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Jun 10, 2025	Active	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Surface Water Treatment Rule	Monitoring	N/A	N/A	May 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2025	Active	N/A
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Chlorine	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Eye and nose irritation; stomach discomfort
Nitrate	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2025	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2024	Active	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Increased risk of cancer
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Benzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Styrene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	Liver problems; increased risk of cancer
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 30, 2024	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 29, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 27, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 27, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 27, 2023	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Nov 27, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 28, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 10, 2023	Active	N/A
E. COLI	Monitoring	0	N/A	Jul 5, 2023	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 5, 2023	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
E. COLI	Monitoring	0	N/A	Jul 5, 2023	Active	Severe gastrointestinal illness; may be fatal in vulnerable populations
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 10, 2022	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	N/A
Nitrate	Health-Based	N/A	11	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	11	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	11	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Health-Based	N/A	11	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Lead and Copper Rule	Health-Based	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Dec 31, 2021	Resolved	N/A
Lead and Copper Rule	Health-Based	N/A	N/A	Dec 31, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Dec 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrate	Monitoring	N/A	N/A	Sep 30, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
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	Sep 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 15, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 15, 2021	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Apr 15, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Apr 10, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	N/A

Lead & Copper Levels

Violation Timeline

2025(15)

Revised Total Coliform Rule

Jul 10Active

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 10Active

Revised Total Coliform Rule

Jun 10Active

Surface Water Treatment Rule

May 31Resolved

Surface Water Treatment Rule

May 31Resolved

Revised Total Coliform Rule

Apr 10Active

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Chlorine

Mar 31Resolved

Nitrate

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Jan 10Active

2024(62)

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Dec 31Resolved

Revised Total Coliform Rule

Oct 10Active

Revised Total Coliform Rule

Sep 30Resolved

Revised Total Coliform Rule

Sep 30Resolved

Lead and Copper Rule

Sep 28Resolved

Lead and Copper Rule

Sep 28Resolved

Revised Total Coliform Rule

Jul 10Resolved

Revised Total Coliform Rule

Jul 10Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Lead and Copper Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Jun 30Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Revised Total Coliform Rule

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

Vinyl chloride

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

Tetrachloroethylene

Mar 31Resolved

Benzene

Mar 31Resolved

Benzene

Mar 31Resolved

Styrene

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

Trichloroethylene

Mar 31Resolved

Trichloroethylene

Mar 31Resolved

Xylenes, Total

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

DICHLOROMETHANE

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

o-Dichlorobenzene

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

1,1-Dichloroethylene

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

trans-1,2-Dichloroethylene

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

1,1,1-Trichloroethane

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

1,2-Dichloropropane

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

1,1,2-Trichloroethane

Mar 31Resolved

Toluene

Mar 31Resolved

Toluene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

Ethylbenzene

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

1,2-Dichloroethane

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

1,2,4-Trichlorobenzene

Mar 31Resolved

Styrene

Mar 31Resolved

p-Dichlorobenzene

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

CHLOROBENZENE

Mar 31Resolved

Carbon tetrachloride

Mar 31Resolved

cis-1,2-Dichloroethylene

Mar 31Resolved

Lead and Copper Rule

Mar 30Resolved

Lead and Copper Rule

Mar 30Resolved

How Does This Compare?

WILLIAMSTOWN (08094) has 204 recorded violations, including 17 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 WILLIAMSTOWN, NJ (08094)

What does this mean?

Violations Detail (204 total)

Lead & Copper Levels

Violation Timeline

2025(15)

2024(62)

2023(41)

2022(39)

2021(47)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

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