DANBURY, CT · Fairfield County
CORNELL HILLS ASSOC, INC Water System
Consumer Confidence Report status
CORNELL HILLS ASSOC, INC 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 1 open health-based violation for CORNELL HILLS ASSOC, INC, alongside 3 other open items.
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)
- CT0340181
- System type
- Community Water System
- Population served
- 108
- Service connections
- 27
- Ownership
- privately owned
- Water source
- surface water (rivers, lakes, or reservoirs)
CORNELL HILLS ASSOC, INC is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 108 people from surface water.
As of August 1, 2026, its federal record holds 43 entries between 1994 and 2025, of which 1 health-based item remains open, alongside 3 other open entries.
Of the 43, 22 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 Consumer Confidence Rule, the Total Coliform Rules, and the Stage 1 Disinfectants and Disinfection Byproducts Rule.
Violation history
Consumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2025 – July 3, 2025
ResolvedLSL Reporting
—LEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedLSL Inventory
Health-basedLEAD AND COPPER RULE REVISIONS
October 17, 2024
UnaddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2023 – August 29, 2023
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2023 – August 29, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
December 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
December 1, 2022 – December 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
November 1, 2022 – November 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
November 1, 2022 – November 30, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
October 1, 2022 – October 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2022 – October 31, 2022
ResolvedFollow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
October 1, 2022 – June 9, 2023
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
September 1, 2022 – September 30, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
September 1, 2022 – September 30, 2022
ResolvedMonitoring and Reporting (DBP)
—Chlorine
August 1, 2022 – August 31, 2022
ResolvedMonitoring, Routine (RTCR)
—Revised Total Coliform Rule
August 1, 2022 – August 31, 2022
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2021 – August 31, 2022
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2021 – August 31, 2022
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
November 13, 2020 – March 17, 2023
ResolvedMonitoring and Reporting (DBP)
—Total Haloacetic Acids (HAA5)
September 1, 2018 – August 31, 2019
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2018 – August 31, 2019
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2018 – July 6, 2018
ResolvedMonitoring and Reporting (DBP)
—TTHM
September 1, 2017 – August 31, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2016 – July 1, 2016
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2013 – July 10, 2013
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2011 – July 5, 2012
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2011 – March 22, 2023
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 15, 2011
UnaddressedPublic Notification Violation for NPDWR Violation
—Public Notice
April 15, 2011
UnaddressedMonitoring, Routine Major (TCR)
—Coliform (TCR)
December 1, 2010 – December 31, 2010
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
December 1, 2010 – December 31, 2010
ResolvedMonitoring and Reporting (DBP)
—Chlorine
October 1, 2010 – December 31, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – July 27, 2010
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2009 – August 21, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2009 – August 21, 2009
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2008 – September 3, 2008
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2008 – September 3, 2008
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
July 1, 2008 – July 31, 2008
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2006 – November 8, 2006
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2005 – February 23, 2006
ResolvedMonitoring, Routine Major (TCR)
—Coliform (TCR)
July 1, 2001 – September 30, 2001
ResolvedNotification, Public
—Lead and Copper Rule
September 1, 1997 – September 30, 1997
ArchivedInitial, Follow-up, or Routine Source Water M/R
—Lead and Copper Rule
July 1, 1994 – March 22, 1996
Resolved
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2025 – July 3, 2025 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| October 17, 2024 | LSL Reporting | LEAD AND COPPER RULE REVISIONS | — | Unaddressed |
| October 17, 2024 | LSL Inventory | LEAD AND COPPER RULE REVISIONS | Health-based | Unaddressed |
| August 10, 2023 – August 29, 2023 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2023 – August 29, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| December 1, 2022 – December 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| December 1, 2022 – December 31, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| November 1, 2022 – November 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| October 1, 2022 – October 31, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| October 1, 2022 – June 9, 2023 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2022 – September 30, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| August 1, 2022 – August 31, 2022 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| September 1, 2021 – August 31, 2022 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| September 1, 2021 – August 31, 2022 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| November 13, 2020 – March 17, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| September 1, 2018 – August 31, 2019 | Monitoring and Reporting (DBP) | Total Haloacetic Acids (HAA5) | — | Resolved |
| September 1, 2018 – August 31, 2019 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2018 – July 6, 2018 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| September 1, 2017 – August 31, 2018 | Monitoring and Reporting (DBP) | TTHM | — | Resolved |
| July 1, 2016 – July 1, 2016 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2013 – July 10, 2013 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 10, 2011 – July 5, 2012 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2011 – March 22, 2023 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 15, 2011 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| April 15, 2011 | Public Notification Violation for NPDWR Violation | Public Notice | — | Unaddressed |
| December 1, 2010 – December 31, 2010 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| December 1, 2010 – December 31, 2010 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
| October 1, 2010 – December 31, 2010 | Monitoring and Reporting (DBP) | Chlorine | — | Resolved |
| July 1, 2010 – July 27, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 10, 2009 – August 21, 2009 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2009 – August 21, 2009 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 10, 2008 – September 3, 2008 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – September 3, 2008 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2008 – July 31, 2008 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 10, 2006 – November 8, 2006 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| August 10, 2005 – February 23, 2006 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2001 – September 30, 2001 | Monitoring, Routine Major (TCR) | Coliform (TCR) | — | Resolved |
| September 1, 1997 – September 30, 1997 | Notification, Public | Lead and Copper Rule | — | Archived |
| July 1, 1994 – March 22, 1996 | Initial, Follow-up, or Routine Source Water M/R | Lead and Copper Rule | — | Resolved |
Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
- July 3, 2025State Compliance achieved1 linked violation
- August 29, 2023State Compliance achieved1 linked violation
- August 29, 2023State Compliance achieved1 linked violation
- August 29, 2023State Violation/Reminder Notice1 linked violation
- August 24, 2023State Violation/Reminder Notice1 linked violation
- March 23, 2023State Compliance achieved2 linked violations
- March 23, 2023State Compliance achieved2 linked violations
- March 17, 2023State Public Notification received2 linked violations
- March 17, 2023State Public Notification received4 linked violations
- March 17, 2023State Public Notification received3 linked violations
- March 6, 2023State Public Notification requested1 linked violation
- March 6, 2023State Public Notification requested1 linked violation
- March 6, 2023State Violation/Reminder Notice1 linked violation
- March 6, 2023State Violation/Reminder Notice1 linked violation
- January 27, 2023State Violation/Reminder Notice2 linked violations
- January 27, 2023State Public Notification requested2 linked violations
- January 27, 2023State Violation/Reminder Notice2 linked violations
- January 27, 2023State Violation/Reminder Notice2 linked violations
- January 27, 2023State Violation/Reminder Notice2 linked violations
- January 27, 2023State Public Notification requested2 linked violations
- January 27, 2023State Violation/Reminder Notice2 linked violations
- January 27, 2023State Violation/Reminder Notice1 linked violation
- January 27, 2023State Public Notification requested1 linked violation
- January 27, 2023State Violation/Reminder Notice1 linked violation
- January 27, 2023State Public Notification requested2 linked violations
- December 31, 2022State Compliance achieved1 linked violation
- December 31, 2022State Compliance achieved1 linked violation
- April 21, 2021State Violation/Reminder Notice2 linked violations
- March 10, 2020State Violation/Reminder Notice3 linked violations
- January 9, 2019State Violation/Reminder Notice2 linked violations
- May 2, 2018State Intentional no-action3 linked violations
- July 10, 2013State Compliance achieved4 linked violations
- August 8, 2012State Violation/Reminder Notice3 linked violations
- July 5, 2012State Compliance achieved2 linked violations
- December 12, 2011State Violation/Reminder Notice5 linked violations
- March 15, 2011State Violation/Reminder Notice5 linked violations
- January 31, 2011State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- January 31, 2011State Compliance achieved2 linked violations
- July 27, 2010State Compliance achieved2 linked violations
- October 21, 2009State Violation/Reminder Notice4 linked violations
- August 21, 2009State Compliance achieved7 linked violations
- September 4, 2008State Violation/Reminder Notice1 linked violation
- August 2, 2008State Public Notification received1 linked violation
- October 31, 2006State Violation/Reminder Notice15 linked violations
- December 31, 2005State Compliance achieved5 linked violations
- May 11, 2005State Public Notification requested5 linked violations
- May 11, 2005State Violation/Reminder Notice5 linked violations
- December 28, 2004State Compliance achieved2 linked violations
- January 9, 2003State Compliance achieved3 linked violations
- July 14, 1997State Violation/Reminder Notice5 linked violations
- July 19, 1996State Violation/Reminder Notice5 linked violations
- March 22, 1996State Compliance achieved18 linked violations
- March 14, 1994State Compliance achieved5 linked violations
Common questions
Is CORNELL HILLS ASSOC, INC required to publish a Consumer Confidence Report?
- Yes. CORNELL HILLS ASSOC, INC 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 CORNELL HILLS ASSOC, INC’s next Consumer Confidence Report due?
- CORNELL HILLS ASSOC, INC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does CORNELL HILLS ASSOC, INC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 1 open health-based violation for CORNELL HILLS ASSOC, INC, alongside 3 other open items.
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
LICARI, JOSEPH P.
203-628-0935
DANBURY, CT 06811