Water Quality in WESTBOROUGH, MA (01581)

EPA violation data for public water systems serving ZIP code 01581.

187

Total Violations

Health-Based

161

Monitoring / Reporting

187

Resolved

What does this mean?

187 of 187 violations have been resolved. 26 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 161 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: 35 Population served: 29,496

Violations Detail (187 total)

Contaminant	Category	MCL Limit	Measured	Date	Status	Health Effects
Consumer Confidence Rule	Monitoring	N/A	N/A	Jun 30, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2025	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	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
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Sep 30, 2024	Resolved	N/A
Revised Total Coliform Rule	Health-Based	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
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
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
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
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Aug 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jul 31, 2024	Resolved	N/A
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
CYANIDE	Monitoring	N/A	N/A	Jun 30, 2024	Resolved	Nerve damage or thyroid problems
Public Notice	Monitoring	N/A	N/A	Nov 4, 2023	Resolved	N/A
Public Notice	Monitoring	N/A	N/A	Nov 4, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Lead and Copper Rule	Monitoring	N/A	N/A	Sep 30, 2023	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Arsenic	Monitoring	N/A	N/A	Jun 30, 2023	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Groundwater Rule	Health-Based	N/A	N/A	Jun 17, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 17, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 17, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 17, 2023	Resolved	N/A
Groundwater Rule	Health-Based	N/A	N/A	Jun 17, 2023	Resolved	N/A
CHLOROBENZENE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,2-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
trans-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Xylenes, Total	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Vinyl chloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Increased risk of cancer
1,2,4-Trichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Toluene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloropropane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
cis-1,2-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
p-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
o-Dichlorobenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1,1-Trichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,1-Dichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Tetrachloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
DICHLOROMETHANE	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Ethylbenzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Benzene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Anemia; decrease in blood platelets; increased risk of cancer
Carbon tetrachloride	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Trichloroethylene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	Liver problems; increased risk of cancer
Styrene	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
1,2-Dichloroethane	Monitoring	N/A	N/A	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jan 31, 2023	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	7	Dec 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Oct 31, 2022	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,3,7,8-TCDD	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
LASSO	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Carbofuran	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
ETHYLENE DIBROMIDE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Heptachlor	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Pentachlorophenol	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Toxaphene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,4,5-TP	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
BHC-GAMMA	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Benzo(a)pyrene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Cardiovascular system or reproductive problems
Dalapon	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Dalapon	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Di(2-ethylhexyl) adipate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Dinoseb	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Diquat	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Endothall	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Glyphosate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
HEXACHLOROBENZENE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Hexachlorocyclopentadiene	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Picloram	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Simazine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Total Polychlorinated Biphenyls (PCB)	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,3,7,8-TCDD	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
2,4-D	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Endrin	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
1,2-DIBROMO-3-CHLOROPROPANE	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Methoxychlor	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
OXAMYL	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
OXAMYL	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Arsenic	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Skin damage; circulatory system problems; increased risk of cancer
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Di(2-ethylhexyl) phthalate	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Heptachlor epoxide	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Atrazine	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	Cardiovascular system or reproductive problems
Chlordane	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Chlordane	Monitoring	N/A	N/A	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	8	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	8	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	8	Sep 30, 2022	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	8	Sep 30, 2022	Resolved	N/A
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	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, 2022	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, 2022	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, 2022	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, 2022	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, 2022	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, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Jun 30, 2022	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	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
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
Nitrate	Health-Based	N/A	21.4	Jun 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	Jun 30, 2021	Resolved	N/A
Revised Total Coliform Rule	Monitoring	N/A	N/A	Jun 30, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 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	Mar 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	Mar 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	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Combined Radium (-226 and -228)	Health-Based	N/A	6	Mar 31, 2021	Resolved	N/A
Nitrate	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath
Nitrite	Monitoring	N/A	N/A	Mar 31, 2021	Resolved	Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath

Lead & Copper Levels

Violation Timeline

2025(3)

Consumer Confidence Rule

Jun 30Resolved

Revised Total Coliform Rule

Jan 31Resolved

Revised Total Coliform Rule

Jan 31Resolved

2024(35)

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

Sep 30Resolved

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

Sep 30Resolved

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

Sep 30Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Aug 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

Revised Total Coliform Rule

Jul 31Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

CYANIDE

Jun 30Resolved

2022(86)

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Combined Radium (-226 and -228)

Dec 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Revised Total Coliform Rule

Oct 31Resolved

Benzo(a)pyrene

Sep 30Resolved

2,3,7,8-TCDD

Sep 30Resolved

LASSO

Sep 30Resolved

LASSO

Sep 30Resolved

Carbofuran

Sep 30Resolved

Carbofuran

Sep 30Resolved

ETHYLENE DIBROMIDE

Sep 30Resolved

ETHYLENE DIBROMIDE

Sep 30Resolved

Pentachlorophenol

Sep 30Resolved

Heptachlor

Sep 30Resolved

Heptachlor

Sep 30Resolved

Pentachlorophenol

Sep 30Resolved

Toxaphene

Sep 30Resolved

Toxaphene

Sep 30Resolved

2,4,5-TP

Sep 30Resolved

2,4,5-TP

Sep 30Resolved

BHC-GAMMA

Sep 30Resolved

BHC-GAMMA

Sep 30Resolved

Total Polychlorinated Biphenyls (PCB)

Sep 30Resolved

Benzo(a)pyrene

Sep 30Resolved

Atrazine

Sep 30Resolved

Dalapon

Sep 30Resolved

Dalapon

Sep 30Resolved

Di(2-ethylhexyl) adipate

Sep 30Resolved

Di(2-ethylhexyl) adipate

Sep 30Resolved

Dinoseb

Sep 30Resolved

Dinoseb

Sep 30Resolved

Diquat

Sep 30Resolved

Diquat

Sep 30Resolved

Endothall

Sep 30Resolved

Endothall

Sep 30Resolved

Glyphosate

Sep 30Resolved

Glyphosate

Sep 30Resolved

HEXACHLOROBENZENE

Sep 30Resolved

HEXACHLOROBENZENE

Sep 30Resolved

Hexachlorocyclopentadiene

Sep 30Resolved

Hexachlorocyclopentadiene

Sep 30Resolved

Picloram

Sep 30Resolved

Picloram

Sep 30Resolved

Simazine

Sep 30Resolved

Simazine

Sep 30Resolved

Total Polychlorinated Biphenyls (PCB)

Sep 30Resolved

2,3,7,8-TCDD

Sep 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Sep 30Resolved

2,4-D

Sep 30Resolved

2,4-D

Sep 30Resolved

Endrin

Sep 30Resolved

Endrin

Sep 30Resolved

1,2-DIBROMO-3-CHLOROPROPANE

Sep 30Resolved

Methoxychlor

Sep 30Resolved

Methoxychlor

Sep 30Resolved

Arsenic

Sep 30Resolved

OXAMYL

Sep 30Resolved

OXAMYL

Sep 30Resolved

Arsenic

Sep 30Resolved

Di(2-ethylhexyl) phthalate

Sep 30Resolved

Di(2-ethylhexyl) phthalate

Sep 30Resolved

Heptachlor epoxide

Sep 30Resolved

Heptachlor epoxide

Sep 30Resolved

Atrazine

Sep 30Resolved

Chlordane

Sep 30Resolved

Chlordane

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Combined Radium (-226 and -228)

Sep 30Resolved

Nitrite

Jun 30Resolved

Nitrite

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrate

Jun 30Resolved

Nitrite

Jun 30Resolved

Nitrite

Jun 30Resolved

Nitrite

Jun 30Resolved

Nitrite

Jun 30Resolved

How Does This Compare?

WESTBOROUGH (01581) has 187 recorded violations, including 26 health-based. All violations have been resolved, which is a positive sign for current water quality. 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 WESTBOROUGH, MA (01581)

What does this mean?

Violations Detail (187 total)

Lead & Copper Levels

Violation Timeline

2025(3)

2024(35)

2023(38)

2022(86)

2021(25)

How Does This Compare?

Recommended Water Filters

Reverse Osmosis System

UV Water Purifier

Nearby ZIP Codes

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