OAKVILLE, CT · Litchfield County
WATERTOWN WATER & SEWER AUTHORITY Water System
Consumer Confidence Report status
WATERTOWN WATER & SEWER AUTHORITY must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for WATERTOWN WATER & SEWER AUTHORITY.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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
- 4,054
- Ownership
- local government
- Water source
- surface water (rivers, lakes, or reservoirs)
WATERTOWN WATER & SEWER AUTHORITY serves 9,972 people from surface water, placing it in the 3,301 to 10,000 people size category.
As of August 1, 2026, its federal record holds 36 entries between 2004 and 2025, all of which EPA lists as closed.
Of the 36, 23 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule, the Consumer Confidence Rule, and the Total Coliform Rules.
Violation history
Consumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2025 – August 27, 2025
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2024 – January 29, 2025
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2024 – July 10, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2023 – July 13, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – June 30, 2023
ResolvedLead Consumer Notice
—Lead and Copper Rule
December 30, 2018 – January 18, 2019
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
March 1, 2016 – March 31, 2016
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 2016 – March 31, 2016
ResolvedMonitoring and Reporting (DBP)
—Chlorine
January 1, 2016 – March 31, 2016
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2014 – September 30, 2015
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – August 2, 2013
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2013 – June 30, 2013
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2009 – July 10, 2009
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2009 – June 30, 2009
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2009 – June 30, 2009
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2008 – December 31, 2008
ResolvedMonitoring and Reporting (DBP)
—TTHM
October 1, 2008 – December 31, 2008
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2008 – December 31, 2008
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – December 4, 2008
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
November 1, 2007 – November 30, 2007
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
November 1, 2007 – November 30, 2007
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2006 – December 31, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006 – September 1, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
June 1, 2006 – June 30, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
May 1, 2006 – May 31, 2006
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
May 1, 2006 – May 31, 2006
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
April 1, 2006 – April 30, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
January 1, 2006 – March 31, 2006
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTotal Haloacetic Acids (HAA5)
October 1, 2005 – December 31, 2005
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2005 – November 22, 2005
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
July 1, 2005 – September 30, 2005
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
July 1, 2004 – September 30, 2004
ResolvedMonitoring and Reporting (DBP)
—TTHM
April 1, 2004 – June 30, 2004
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
April 1, 2004 – June 30, 2004
ResolvedMonitoring and Reporting (DBP)
—TTHM
January 1, 2004 – March 31, 2004
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
January 1, 2004 – March 31, 2004
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) | TTHM | — | Resolved |
| October 1, 2008 – December 31, 2008 | Monitoring and Reporting (DBP) | Chlorine | — | 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 of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| November 1, 2007 – November 30, 2007 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| October 1, 2006 – December 31, 2006 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| July 1, 2006 – September 1, 2006 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| June 1, 2006 – June 30, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2006 – May 31, 2006 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| May 1, 2006 – May 31, 2006 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| April 1, 2006 – April 30, 2006 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| January 1, 2006 – March 31, 2006 | Maximum Contaminant Level Violation, Average | Total Haloacetic Acids (HAA5) | Health-based | 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, 2005 – September 30, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | 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) | TTHM | — | Resolved |
| April 1, 2004 – June 30, 2004 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | 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 |
Resolved addressed and confirmed by the state
Enforcement actions
- 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
- September 30, 2015State Compliance achieved2 linked violations
- April 7, 2015State Public Notification requested3 linked violations
- September 3, 2013State Compliance achieved3 linked violations
- August 2, 2013State Compliance achieved3 linked violations
- October 21, 2009State Violation/Reminder Notice1 linked violation
- September 22, 2009State Violation/Reminder Notice4 linked violations
- September 2, 2009State Compliance achieved2 linked violations
- December 4, 2008State Compliance achieved35 linked violations
- April 8, 2008State Violation/Reminder Notice1 linked violation
- April 8, 2008State Compliance achieved1 linked violation
- January 16, 2008State Compliance achieved4 linked violations
- March 27, 2007State Public Notification received1 linked violation
- January 11, 2007State Violation/Reminder Notice1 linked violation
- January 11, 2007State Public Notification requested1 linked violation
- October 6, 2006State Public Notification requestedgeneral compliance action — not tied to a specific violation on record
- October 6, 2006State Administrative/Compliance Order with penalty issued3 linked violations
- 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
- 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 15, 2005State Violation/Reminder Notice3 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
- July 13, 2000State Violation/Reminder Notice5 linked violations
- November 3, 1999State Public Notification requested39 linked violations
- June 11, 1998State Compliance achieved5 linked violations
- January 19, 1996State Compliance achieved99 linked violations
- August 27, 1991State Public Notification receivedgeneral compliance action — not tied to a specific violation on record
- August 27, 1991State Compliance achievedgeneral 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
Common questions
Is WATERTOWN WATER & SEWER AUTHORITY required to publish a Consumer Confidence Report?
- Yes. WATERTOWN WATER & SEWER AUTHORITY is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is WATERTOWN WATER & SEWER AUTHORITY’s next Consumer Confidence Report due?
- WATERTOWN WATER & SEWER AUTHORITY’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does WATERTOWN WATER & SEWER AUTHORITY have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for WATERTOWN WATER & SEWER AUTHORITY.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
LUKOWSKI, GERALD
860-945-5299
OAKVILLE, CT 06779