GREAT NECK, CT · New London County
GRISWOLD MHP LLC Water System
Consumer Confidence Report status
GRISWOLD MHP LLC 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 2 items for GRISWOLD MHP LLC that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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)
- CT0580031
- System type
- Community Water System
- Population served
- 99
- Service connections
- 39
- Ownership
- privately owned
- Water source
- groundwater (wells)
GRISWOLD MHP LLC is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 99 people from groundwater.
As of August 1, 2026, its federal record holds 28 entries between 1994 and 2022, of which 2 remain open; none are health-based.
Of the 28, 13 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, inorganic chemicals, and the Lead and Copper Rule.
Violation history
Follow-up Or Routine LCR Tap M/R
—Lead and Copper Rule
July 1, 2022 – December 31, 2022
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2021 – July 27, 2021
ResolvedLead Consumer Notice
—Lead and Copper Rule
April 1, 2021 – May 5, 2021
ResolvedPublic Notification Violation for NPDWR Violation
—Public Notice
April 1, 2020 – August 4, 2023
ResolvedOCCT/SOWT Study/Recommendation
Health-basedLead and Copper Rule
April 1, 2020 – January 25, 2024
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2019 – January 22, 2020
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2017 – August 11, 2017
ResolvedMonitoring, Regular
—Beryllium, Total
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Arsenic
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Barium
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Fluoride
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Nickel
January 1, 2016 – December 31, 2018
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2016 – December 31, 2018
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2015 – July 16, 2015
ResolvedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2014 – September 28, 2015
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
January 1, 2014 – January 31, 2014
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2011 – August 31, 2011
ResolvedMaximum Contaminant Level Violation, Monthly (TCR)
Health-basedColiform (TCR)
August 1, 2010 – August 31, 2010
ArchivedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2010 – August 9, 2010
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2009 – November 16, 2009
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2006
AddressedConsumer Confidence Report Inadequate Reporting
—Consumer Confidence Rule
August 10, 2005 – April 7, 2006
ResolvedConsumer Confidence Report Complete Failure to Report
—Consumer Confidence Rule
July 1, 2005 – April 7, 2006
ResolvedMonitoring, Regular
—CYANIDE
January 1, 2001 – December 31, 2003
ResolvedMonitoring, Regular
—Nickel
January 1, 2001 – December 31, 2003
ResolvedMonitoring, Regular
—Antimony, Total
January 1, 2001 – December 31, 2003
ResolvedInitial, Follow-up, or Routine Source Water M/R
—Lead and Copper Rule
January 1, 1994
Unaddressed
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmationUnaddressed no corrective action on record yet
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| July 1, 2022 – December 31, 2022 | Follow-up Or Routine LCR Tap M/R | Lead and Copper Rule | — | Resolved |
| July 1, 2021 – July 27, 2021 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| April 1, 2021 – May 5, 2021 | Lead Consumer Notice | Lead and Copper Rule | — | Resolved |
| April 1, 2020 – August 4, 2023 | Public Notification Violation for NPDWR Violation | Public Notice | — | Resolved |
| April 1, 2020 – January 25, 2024 | OCCT/SOWT Study/Recommendation | Lead and Copper Rule | Health-based | Resolved |
| August 10, 2019 – January 22, 2020 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| August 10, 2017 – August 11, 2017 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Beryllium, Total | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Arsenic | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Barium | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Fluoride | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2016 – December 31, 2018 | Monitoring, Regular | Antimony, Total | — | Resolved |
| July 1, 2015 – July 16, 2015 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| August 10, 2014 – September 28, 2015 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| January 1, 2014 – January 31, 2014 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2011 – August 31, 2011 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Resolved |
| August 1, 2010 – August 31, 2010 | Maximum Contaminant Level Violation, Monthly (TCR) | Coliform (TCR) | Health-based | Archived |
| July 1, 2010 – August 9, 2010 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2009 – November 16, 2009 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| July 1, 2006 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Addressed |
| August 10, 2005 – April 7, 2006 | Consumer Confidence Report Inadequate Reporting | Consumer Confidence Rule | — | Resolved |
| July 1, 2005 – April 7, 2006 | Consumer Confidence Report Complete Failure to Report | Consumer Confidence Rule | — | Resolved |
| January 1, 2001 – December 31, 2003 | Monitoring, Regular | CYANIDE | — | Resolved |
| January 1, 2001 – December 31, 2003 | Monitoring, Regular | Nickel | — | Resolved |
| January 1, 2001 – December 31, 2003 | Monitoring, Regular | Antimony, Total | — | Resolved |
| January 1, 1994 | Initial, Follow-up, or Routine Source Water M/R | Lead and Copper Rule | — | Unaddressed |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)Addressed corrective action reported, pending final confirmationUnaddressed no corrective action on record yet
Enforcement actions
- January 25, 2024State Compliance achieved1 linked violation
- June 21, 2023State Violation/Reminder Notice3 linked violations
- May 25, 2023State Violation/Reminder Notice2 linked violations
- July 27, 2021State Compliance achieved8 linked violations
- July 15, 2020State Public Notification received3 linked violations
- January 22, 2020State Violation/Reminder Notice3 linked violations
- March 18, 2019State Compliance achieved13 linked violations
- March 7, 2019State Public Notification received13 linked violations
- February 26, 2019State Violation/Reminder Notice12 linked violations
- February 26, 2019State Public Notification requested12 linked violations
- August 11, 2017State Compliance achieved2 linked violations
- May 9, 2017State Violation/Reminder Notice1 linked violation
- July 26, 2016State Compliance achieved1 linked violation
- November 6, 2015State Compliance achieved1 linked violation
- October 29, 2015State Violation/Reminder Notice2 linked violations
- September 28, 2015State Compliance achieved5 linked violations
- July 16, 2015State Compliance achieved1 linked violation
- February 17, 2015State Compliance achieved1 linked violation
- January 14, 2015State Violation/Reminder Notice1 linked violation
- January 14, 2015State Violation/Reminder Notice1 linked violation
- March 31, 2014State Compliance achieved2 linked violations
- February 21, 2014State Violation/Reminder Notice1 linked violation
- February 21, 2014State Public Notification requested2 linked violations
- January 9, 2014State Public Notification received1 linked violation
- January 7, 2014State Violation/Reminder Notice1 linked violation
- January 7, 2014State Public Notification requested1 linked violation
- November 21, 2013State Violation/Reminder Notice1 linked violation
- February 5, 2013State Public Notification received12 linked violations
- February 5, 2013State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- September 25, 2012State Compliance achieved1 linked violation
- September 25, 2012State Violation/Reminder Notice1 linked violation
- August 9, 2012State Compliance achieved1 linked violation
- September 30, 2011State Compliance achieved2 linked violations
- September 22, 2011State Public Notification received1 linked violation
- September 21, 2011State Public Notification received2 linked violations
- August 26, 2011State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- August 26, 2011State Public Notification requested1 linked violation
- November 8, 2010State Violation/Reminder Notice1 linked violation
- October 31, 2010State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- October 20, 2010State Public Notification received3 linked violations
- September 20, 2010State Public Notification requested1 linked violation
- September 20, 2010State Violation/Reminder Notice1 linked violation
- September 13, 2010State Violation/Reminder Notice1 linked violation
- September 13, 2010State Public Notification requested1 linked violation
- August 9, 2010State Compliance achieved1 linked violation
- November 16, 2009State Compliance achieved2 linked violations
- November 5, 2009State Violation/Reminder Notice1 linked violation
- October 7, 2009State Violation/Reminder Noticegeneral compliance action — not tied to a specific violation on record
- July 14, 2008State Compliance achieved1 linked violation
- September 11, 2007State Violation/Reminder Notice1 linked violation
- July 18, 2007State Compliance achieved4 linked violations
- March 9, 2007State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- December 31, 2006State Compliance achieved12 linked violations
- October 19, 2006State Administrative/Compliance Order with penalty issued9 linked violations
- December 31, 2005State Compliance achievedgeneral compliance action — not tied to a specific violation on record
- December 28, 2005State no additional Formal Action needed17 linked violations
- May 11, 2004State Administrative/Compliance Order with penalty issued15 linked violations
- February 13, 1998State Compliance achieved6 linked violations
- February 13, 1997State Public Notification requested5 linked violations
- July 15, 1994State Violation/Reminder Notice6 linked violations
- July 15, 1994State Public Notification requested4 linked violations
- August 12, 1992State Formal Notice of Violation issued16 linked violations
Common questions
Is GRISWOLD MHP LLC required to publish a Consumer Confidence Report?
- Yes. GRISWOLD MHP LLC 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 GRISWOLD MHP LLC’s next Consumer Confidence Report due?
- GRISWOLD MHP LLC’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does GRISWOLD MHP LLC have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show 2 items for GRISWOLD MHP LLC that are open and awaiting resolution. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings.
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
PAPADAKIS, NIKKI
212-951-3812
GREAT NECK, NY 11021