OAKVILLE, CT · Litchfield County

WATERTOWN WATER & SEWER AUTHORITY 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 Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.

System facts

System ID (PWSID): CT1530021
System type: Community Water System
Population served: 9,972
Service connections: 3,735
Ownership: local government
Water source: surface water (rivers, lakes, or reservoirs)

Violation history

Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2025 – August 27, 2025
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2024 – January 29, 2025
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2024 – July 10, 2024
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2023 – July 13, 2023
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2023 – June 30, 2023
Resolved
Lead Consumer Notice
—
Lead and Copper Rule
December 30, 2018 – January 18, 2019
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
March 1, 2016 – March 31, 2016
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
March 1, 2016 – March 31, 2016
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
January 1, 2016 – March 31, 2016
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2014 – September 30, 2015
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2013 – August 2, 2013
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2013 – June 30, 2013
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2009 – July 10, 2009
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2009 – June 30, 2009
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
December 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
Chlorine
October 1, 2008 – December 31, 2008
Resolved
Monitoring and Reporting (DBP)
—
TTHM
October 1, 2008 – December 31, 2008
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2008 – December 4, 2008
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
November 1, 2007 – November 30, 2007
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
Resolved
Maximum Contaminant Level Violation, Average
Health-based
TTHM
October 1, 2006 – December 31, 2006
Resolved
Consumer Confidence Report Inadequate Reporting
—
Consumer Confidence Rule
August 10, 2006 – October 13, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
July 1, 2006 – September 30, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
June 1, 2006 – June 30, 2006
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
June 1, 2006 – June 30, 2006
Resolved
Monitoring of Treatment (SWTR-Filter)
—
Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Total Haloacetic Acids (HAA5)
October 1, 2005 – December 31, 2005
Resolved
Consumer Confidence Report Complete Failure to Report
—
Consumer Confidence Rule
July 1, 2005 – November 22, 2005
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
TTHM
April 1, 2004 – June 30, 2004
Resolved
Monitoring and Reporting (DBP)
—
TTHM
January 1, 2004 – March 31, 2004
Resolved
Monitoring and Reporting (DBP)
—
Total Haloacetic Acids (HAA5)
January 1, 2004 – March 31, 2004
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
May 1, 1998 – May 31, 1998
Resolved

Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
August 10, 2025 – August 27, 2025	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
December 30, 2024 – January 29, 2025	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
July 1, 2024 – July 10, 2024	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
August 10, 2023 – July 13, 2023	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2023 – June 30, 2023	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
December 30, 2018 – January 18, 2019	Lead Consumer Notice	Lead and Copper Rule	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
March 1, 2016 – March 31, 2016	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
January 1, 2016 – March 31, 2016	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2014 – September 30, 2015	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2013 – August 2, 2013	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
June 1, 2013 – June 30, 2013	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
July 1, 2009 – July 10, 2009	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2009 – June 30, 2009	Monitoring and Reporting (DBP)	TTHM	—	Resolved
December 1, 2008 – December 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	Chlorine	—	Resolved
October 1, 2008 – December 31, 2008	Monitoring and Reporting (DBP)	TTHM	—	Resolved
July 1, 2008 – December 4, 2008	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
November 1, 2007 – November 30, 2007	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2006 – December 31, 2006	Maximum Contaminant Level Violation, Average	TTHM	Health-based	Resolved
August 10, 2006 – October 13, 2006	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	—	Resolved
July 1, 2006 – September 30, 2006	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
June 1, 2006 – June 30, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
June 1, 2006 – June 30, 2006	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
May 1, 2006 – May 31, 2006	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	—	Resolved
October 1, 2005 – December 31, 2005	Maximum Contaminant Level Violation, Average	Total Haloacetic Acids (HAA5)	Health-based	Resolved
July 1, 2005 – November 22, 2005	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	—	Resolved
July 1, 2004 – September 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
April 1, 2004 – June 30, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	TTHM	—	Resolved
January 1, 2004 – March 31, 2004	Monitoring and Reporting (DBP)	Total Haloacetic Acids (HAA5)	—	Resolved
May 1, 1998 – May 31, 1998	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

August 27, 2025State Compliance achieved2 linked violations
January 29, 2025State Compliance achieved1 linked violation
January 24, 2025State Violation/Reminder Notice1 linked violation
June 15, 2016State Compliance achieved3 linked violations
June 13, 2016State Violation/Reminder Notice1 linked violation
June 13, 2016State Violation/Reminder Notice1 linked violation
April 7, 2015State Public Notification requested3 linked violations
November 21, 2013State Violation/Reminder Notice3 linked violations
September 23, 2013State Violation/Reminder Notice3 linked violations
October 21, 2009State Violation/Reminder Notice1 linked violation
September 2, 2009State Compliance achieved2 linked violations
April 8, 2008State Compliance achieved1 linked violation
April 8, 2008State Violation/Reminder Notice1 linked violation
January 16, 2008State Compliance achieved4 linked violations
March 27, 2007State Public Notification received1 linked violation
January 11, 2007State Public Notification requested1 linked violation
January 11, 2007State Violation/Reminder Notice1 linked violation
November 8, 2006State Violation/Reminder Notice3 linked violations
October 6, 2006State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
October 4, 2006State Compliance achieved5 linked violations
September 11, 2006State Violation/Reminder Notice4 linked violations
September 5, 2006State Public Notification requested1 linked violation
September 5, 2006State Violation/Reminder Notice1 linked violation
September 1, 2006State Public Notification received6 linked violations
June 30, 2006State Compliance achieved1 linked violation
June 26, 2006State Compliance achieved1 linked violation
May 31, 2006State Public Notification requested6 linked violations
May 31, 2006State Violation/Reminder Notice7 linked violations
December 31, 2005State Compliance achieved1 linked violation
November 22, 2005State Compliance achieved25 linked violations
March 28, 2005State Compliance achieved6 linked violations
March 22, 2005State Violation/Reminder Notice6 linked violations
November 9, 2004State Compliance achieved2 linked violations
November 1, 2004State Violation/Reminder Notice2 linked violations
February 10, 2003State Compliance achieved1 linked violation
December 13, 2002State Administrative/Compliance Order with penalty issued1 linked violation
September 7, 2000State Public Notification received36 linked violations
July 13, 2000State Violation/Reminder Notice5 linked violations
August 27, 1991State Compliance achievedgeneral compliance action — not tied to a specific violation on record
August 27, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
September 30, 1987State Compliance achievedgeneral compliance action — not tied to a specific violation on record

Contact

LUKOWSKI, GERALD

860-945-5299

OAKVILLE, CT 06779