Public Water Partners

GRISWOLD, CT · New London County

ROUND HILL LLC - WELL# 1&2 Water System

Consumer Confidence Report status

ROUND HILL LLC - WELL# 1&2 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 ROUND HILL LLC - WELL# 1&2, alongside 6 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)
CT0731021
System type
Community Water System
Population served
72
Service connections
12
Ownership
privately owned
Water source
groundwater (wells)

ROUND HILL LLC - WELL# 1&2 is one of 799 community water systems in Connecticut in the 500 or fewer people size category, serving 72 people from groundwater.

As of August 1, 2026, its federal record holds 106 entries between 1995 and 2026, of which 1 health-based item remains open, alongside 6 other open entries.

Of the 106, 83 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 volatile organic chemicals, inorganic chemicals, and the Consumer Confidence Rule.

Violation history

  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2026 – April 30, 2026

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2026 – January 31, 2026

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    December 7, 2025 – April 8, 2026

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    December 1, 2025 – December 31, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    October 1, 2025 – October 31, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    September 1, 2025 – September 30, 2025

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    August 1, 2025 – August 31, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    July 1, 2025 – July 31, 2025

    Resolved
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    July 1, 2025

    Unaddressed
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2025

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    June 1, 2025 – June 30, 2025

    Resolved
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    May 1, 2025 – May 31, 2025

    Resolved
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    trans-1,2-Dichloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,1,1-Trichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,1-Dichloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2,4-Trichlorobenzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2-Dichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Carbon tetrachloride

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,2-Dichloropropane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nitrite

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nitrite

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nitrate

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    1,1,2-Trichloroethane

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Trichloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    o-Dichlorobenzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Ethylbenzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    DICHLOROMETHANE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    cis-1,2-Dichloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    CHLOROBENZENE

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Benzene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Toluene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Tetrachloroethylene

    January 1, 2025 – December 31, 2025

    Archived
  • Monitoring, Regular

    Styrene

    January 1, 2025 – December 31, 2025

    Archived
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2024 – January 23, 2025

    Resolved
  • LSL Reporting

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • LSL Inventory

    Health-based

    LEAD AND COPPER RULE REVISIONS

    October 17, 2024

    Unaddressed
  • Follow-up Or Routine LCR Tap M/R

    Lead and Copper Rule

    October 1, 2024

    Unaddressed
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2024

    Unaddressed
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    February 1, 2023 – February 28, 2023

    Resolved
  • Monitoring, Regular

    Nickel

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Routine (RTCR)

    Revised Total Coliform Rule

    January 1, 2023 – January 31, 2023

    Resolved
  • Monitoring, Regular

    Arsenic

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Barium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Cadmium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Chromium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    CYANIDE

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Fluoride

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Mercury

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Nickel

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Antimony, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Thallium, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Selenium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Arsenic

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Barium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Cadmium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Chromium

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    CYANIDE

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Fluoride

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Mercury

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Antimony, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Beryllium, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Thallium, Total

    January 1, 2023 – December 31, 2025

    Archived
  • Monitoring, Regular

    Selenium

    January 1, 2023 – December 31, 2025

    Archived
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2021 – August 12, 2021

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2020 – January 27, 2021

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2020 – January 27, 2021

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2019 – February 17, 2020

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2019 – February 17, 2020

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2018 – October 30, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 13, 2018 – October 31, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    October 13, 2018 – October 31, 2019

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2018 – February 5, 2019

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2018 – February 5, 2019

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    June 7, 2018 – October 31, 2019

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2017 – October 22, 2018

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    April 3, 2017 – July 20, 2017

    Resolved
  • Monitoring, Additional Routine (RTCR)

    Revised Total Coliform Rule

    April 1, 2017 – April 30, 2017

    Resolved
  • Monitoring, Source Water (GWR)

    E. COLI

    March 3, 2017 – July 20, 2017

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2016 – July 3, 2017

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2015 – July 3, 2017

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2015 – October 28, 2015

    Resolved
  • Lead Consumer Notice

    Lead and Copper Rule

    December 30, 2014 – October 30, 2019

    Resolved
  • Consumer Confidence Report Inadequate Reporting

    Consumer Confidence Rule

    August 10, 2014 – August 21, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2014 – August 22, 2014

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2011 – July 15, 2011

    Resolved
  • Public Notification Violation for NPDWR Violation

    Public Notice

    July 1, 2009 – June 14, 2011

    Resolved
  • Maximum Contaminant Level Violation, Monthly (TCR)

    Health-based

    Coliform (TCR)

    July 1, 2009 – July 31, 2009

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2008 – July 10, 2008

    Resolved
  • Consumer Confidence Report Complete Failure to Report

    Consumer Confidence Rule

    July 1, 2005 – December 8, 2005

    Resolved
  • Monitoring, Regular

    Gross Alpha, Excl. Radon and U

    January 1, 1998 – December 31, 2001

    Resolved
  • Initial Tap Sampling for Pb and Cu

    Lead and Copper Rule

    January 1, 1995 – November 15, 1995

    Archived

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the stateUnaddressed no corrective action on record yet

Enforcement actions

Common questions

Is ROUND HILL LLC - WELL# 1&2 required to publish a Consumer Confidence Report?

Yes. ROUND HILL LLC - WELL# 1&2 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 ROUND HILL LLC - WELL# 1&2’s next Consumer Confidence Report due?

ROUND HILL LLC - WELL# 1&2’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.

Does ROUND HILL LLC - WELL# 1&2 have any open drinking water violations on record?

As of August 1, 2026, EPA's federal records show 1 open health-based violation for ROUND HILL LLC - WELL# 1&2, alongside 6 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

SOULOR, ANDREW

860-705-2388

GRISWOLD, CT 06351