WESTERLY, RI · Washington County

WESTERLY WATER DEPARTMENT Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Rhode Island’s official records. Always confirm current status with Rhode Island before making decisions based on this information.

System facts

System ID (PWSID): RI1559512
System type: Community Water System
Population served: 35,298
Service connections: 14,800
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Ethylbenzene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Benzene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Tetrachloroethylene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Trichloroethylene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
Carbon tetrachloride
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
cis-1,2-Dichloroethylene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
1,2-Dichloroethane
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
1,1-Dichloroethylene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
p-Dichlorobenzene
July 1, 2024 – September 30, 2024
Archived
Monitoring, Regular
—
o-Dichlorobenzene
July 1, 2024 – September 30, 2024
Archived
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
January 11, 2023 – January 12, 2023
Resolved
Monitoring, Regular
—
Dinoseb
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Aldicarb sulfoxide
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Aldicarb sulfone
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Carbofuran
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
2,4-D
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Pentachlorophenol
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
ETHYLENE DIBROMIDE
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
LASSO
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Endrin
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
BHC-GAMMA
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Methoxychlor
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Toxaphene
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Dalapon
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
OXAMYL
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Simazine
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2020 – December 31, 2020
Resolved
Monitoring, Regular
—
Picloram
October 1, 2020 – December 31, 2020
Resolved
Report Sample Result/Fail Monitor (RTCR)
—
Revised Total Coliform Rule
July 11, 2020 – July 15, 2020
Resolved
Failure to Conduct Assessment Monitoring
—
E. COLI
January 1, 2020 – December 31, 2020
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
July 1, 2015 – September 30, 2015
Resolved
Monitoring, Routine Minor (TCR)
—
Coliform (TCR)
June 1, 2012 – June 30, 2012
Resolved
Monitoring, Source Water (GWR)
—
E. COLI
May 23, 2012 – July 3, 2012
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 2012 – May 31, 2012
Resolved
Monitoring, Repeat Major (TCR)
—
Coliform (TCR)
May 1, 2012 – May 31, 2012
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
October 1, 2006 – June 18, 2007
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2006 – June 18, 2007
Resolved
Monitoring, Regular
—
BHC-GAMMA
January 1, 1991 – March 31, 1991
Resolved
Monitoring, Regular
—
Nitrate
January 1, 1991 – March 31, 1991
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2024 – September 30, 2024	Monitoring, Regular	Ethylbenzene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Benzene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Tetrachloroethylene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Trichloroethylene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	Carbon tetrachloride	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	cis-1,2-Dichloroethylene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,2-Dichloroethane	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	1,1-Dichloroethylene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	p-Dichlorobenzene	—	Archived
July 1, 2024 – September 30, 2024	Monitoring, Regular	o-Dichlorobenzene	—	Archived
January 11, 2023 – January 12, 2023	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Dinoseb	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Hexachlorocyclopentadiene	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Aldicarb sulfoxide	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Aldicarb sulfone	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Carbofuran	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Heptachlor epoxide	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	2,4-D	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Benzo(a)pyrene	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Pentachlorophenol	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	ETHYLENE DIBROMIDE	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	LASSO	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Endrin	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	BHC-GAMMA	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Methoxychlor	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Toxaphene	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Dalapon	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	OXAMYL	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Simazine	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Resolved
October 1, 2020 – December 31, 2020	Monitoring, Regular	Picloram	—	Resolved
July 11, 2020 – July 15, 2020	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	—	Resolved
January 1, 2020 – December 31, 2020	Failure to Conduct Assessment Monitoring	E. COLI	—	Resolved
July 1, 2015 – September 30, 2015	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
June 1, 2012 – June 30, 2012	Monitoring, Routine Minor (TCR)	Coliform (TCR)	—	Resolved
May 23, 2012 – July 3, 2012	Monitoring, Source Water (GWR)	E. COLI	—	Resolved
May 1, 2012 – May 31, 2012	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
May 1, 2012 – May 31, 2012	Monitoring, Repeat Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2006 – June 18, 2007	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
October 1, 2006 – June 18, 2007	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	BHC-GAMMA	—	Resolved
January 1, 1991 – March 31, 1991	Monitoring, Regular	Nitrate	—	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

May 30, 2025State Public Notification received21 linked violations
November 7, 2024State Violation/Reminder Notice21 linked violations
November 7, 2024State Public Notification requested21 linked violations
May 26, 2023State Public Notification received2 linked violations
May 26, 2023State Public Notification received1 linked violation
January 30, 2023State Violation/Reminder Notice1 linked violation
January 30, 2023State Public Notification requested1 linked violation
January 30, 2023State Formal Notice of Violation issued1 linked violation
January 30, 2023State Violation/Reminder Notice1 linked violation
January 30, 2023State Formal Notice of Violation issued1 linked violation
January 30, 2023State Public Notification requested1 linked violation
January 12, 2023State Compliance achieved1 linked violation
January 12, 2023State Compliance achieved1 linked violation
June 3, 2021State Public Notification received1 linked violation
February 3, 2021State Formal Notice of Violation issued28 linked violations
February 3, 2021State Formal Notice of Violation issued1 linked violation
February 3, 2021State Violation/Reminder Notice1 linked violation
February 3, 2021State Formal Notice of Violation issued1 linked violation
February 3, 2021State Violation/Reminder Notice1 linked violation
February 3, 2021State Violation/Reminder Notice28 linked violations
January 21, 2021State Compliance achieved2 linked violations
January 11, 2021State Compliance achieved28 linked violations
July 31, 2020State Violation/Reminder Notice2 linked violations
July 15, 2020State Compliance achieved1 linked violation
May 20, 2016State Compliance achieved1 linked violation
May 20, 2016State Public Notification received1 linked violation
November 10, 2015State Compliance achieved1 linked violation
October 29, 2015State Public Notification requested1 linked violation
October 29, 2015State Formal Notice of Violation issued1 linked violation
October 29, 2015State Violation/Reminder Notice1 linked violation
July 5, 2012State Compliance achieved1 linked violation
July 5, 2012State Compliance achieved1 linked violation
July 3, 2012State Public Notification received1 linked violation
July 3, 2012State Compliance achieved2 linked violations
July 3, 2012State Public Notification received1 linked violation
July 3, 2012State Public Notification received1 linked violation
July 3, 2012State Public Notification received1 linked violation
June 8, 2012State Formal Notice of Violation issued1 linked violation
June 8, 2012State Public Notification requested1 linked violation
June 8, 2012State Violation/Reminder Notice1 linked violation
June 8, 2012State Violation/Reminder Notice1 linked violation
June 8, 2012State Public Notification requested1 linked violation
June 8, 2012State Violation/Reminder Notice1 linked violation
June 8, 2012State Public Notification requested1 linked violation
June 8, 2012State Formal Notice of Violation issued1 linked violation
June 8, 2012State Formal Notice of Violation issued1 linked violation
June 5, 2012State Formal Notice of Violation issued1 linked violation
June 5, 2012State Public Notification requested1 linked violation
June 5, 2012State Violation/Reminder Notice1 linked violation
June 18, 2007State Compliance achieved2 linked violations
June 18, 2007State Public Notification received1 linked violation
June 18, 2007State Public Notification received1 linked violation
November 28, 2006State Formal Notice of Violation issued1 linked violation
November 28, 2006State Public Notification requested2 linked violations
November 28, 2006State Violation/Reminder Notice1 linked violation
November 28, 2006State Formal Notice of Violation issued1 linked violation
November 28, 2006State Public Notification requested1 linked violation
November 28, 2006State Violation/Reminder Notice1 linked violation
November 2, 1998State Technical Assistance Visit54 linked violations
October 30, 1996State Compliance achieved1 linked violation
October 7, 1996State Public Notification received1 linked violation
September 20, 1996State Formal Notice of Violation issued1 linked violation
September 20, 1996State Violation/Reminder Notice1 linked violation
September 20, 1996State Public Notification requested1 linked violation
April 19, 1995State Public Notification received1 linked violation
April 19, 1995State Compliance achieved1 linked violation
April 3, 1995State Bilateral Compliance Agreement signed1 linked violation
December 8, 1994State Compliance Meeting conducted1 linked violation
September 17, 1994State Compliance achieved2 linked violations
September 13, 1994State Violation/Reminder Notice1 linked violation
September 13, 1994State Public Notification requested1 linked violation
September 13, 1994State Formal Notice of Violation issued1 linked violation
September 1, 1994State Public Notification received1 linked violation
September 1, 1994State Technical Assistance Visit1 linked violation
August 31, 1994State Violation/Reminder Notice1 linked violation
August 31, 1994State Public Notification requested1 linked violation
August 31, 1994State Boil Water Order1 linked violation
April 10, 1991State Formal Notice of Violation issued6 linked violations
April 10, 1991State Public Notification received6 linked violations

Contact

SPOSATO, MAX (MASSIMO)

401-348-2561

WESTERLY, RI 02891