Public Water Partners

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

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2021 – July 27, 2021

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    April 1, 2021 – May 5, 2021

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    April 1, 2020 – August 4, 2023

    Resolved
  • OCCT/SOWT Study/Recommendation

    Health-based

    Lead and Copper Rule

    April 1, 2020 – January 25, 2024

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2019 – January 22, 2020

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2017 – August 11, 2017

    Resolved
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Barium

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Fluoride

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2016 – December 31, 2018

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2016 – December 31, 2018

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – July 16, 2015

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2014 – September 28, 2015

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    January 1, 2014 – January 31, 2014

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2011 – August 31, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    August 1, 2010 – August 31, 2010

    Archived
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2010 – August 9, 2010

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2009 – November 16, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2006

    Addressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2005 – April 7, 2006

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – April 7, 2006

    Resolved
  • Monitoring, Regular

    CYANIDE

    January 1, 2001 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2001 – December 31, 2003

    Resolved
  • Monitoring, Regular

    Antimony, Total

    January 1, 2001 – December 31, 2003

    Resolved
  • Initial, 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

Enforcement actions

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