Public water system record

Round Hill LLC - Well# 1&2

Serves an area of Northeastern Connecticut Planning Region, CT · 72 people served

Federal records show 1 health-based violation and 104 monitoring/reporting issues for Round Hill LLC - Well# 1&2 in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.

  • CT0731021
  • GRISWOLD
  • CT
  • 72 served

System profile

Source water Groundwater
ZIP 06351
EPA system ID CT0731021

Verify this system on EPA ECHO →

Health-based violations, last 10 years
1
Resolved
0
Unresolved
1
Any acute record
No
Monitoring issues, last 10 years
104

Key facts

  • Round Hill LLC - Well# 1&2 draws water from 1 well.
  • Most recent formal enforcement: compliance order with a penalty by Connecticut, March 2002.
  • Record on file since 1990, with 3 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 3 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Active No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Public Notice
OTHER
Dec 7, 2025 Active
Revised Total Coliform Rule
Monitoring violation
Dec 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Nov 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Oct 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Aug 10, 2025 Active
Revised Total Coliform Rule
Monitoring violation
Aug 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jul 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Consumer Confidence Rule
OTHER
Jul 1, 2025 Active
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2025 Active
Revised Total Coliform Rule
Monitoring violation
Jun 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
May 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrite
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nitrate
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Styrene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Ethylbenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toluene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Trichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Vinyl chloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,1-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1,2-Trichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,1-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2,4-Trichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloroethane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
1,2-Dichloropropane
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Carbon tetrachloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CHLOROBENZENE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
cis-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
DICHLOROMETHANE
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Ethylbenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
o-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
p-Dichlorobenzene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Styrene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Tetrachloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Toluene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
trans-1,2-Dichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Trichloroethylene
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Vinyl chloride
Monitoring and reporting
Jan 1, 2025 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2024 Resolved
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Active
Lead and Copper Rule
Monitoring and reporting
Oct 1, 2024 Active
Consumer Confidence Rule
OTHER
Aug 10, 2024 Active
Revised Total Coliform Rule
Monitoring violation
Feb 1, 2023 Resolved
Selenium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Thallium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Beryllium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Antimony, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nickel
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Mercury
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Fluoride
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CYANIDE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chromium (total)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Cadmium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Barium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Arsenic
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Selenium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Thallium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Beryllium, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Antimony, Total
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Nickel
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Mercury
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Fluoride
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
CYANIDE
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Chromium (total)
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Cadmium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Barium
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Arsenic
Monitoring and reporting
Jan 1, 2023 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Revised Total Coliform Rule
Monitoring violation
Jan 1, 2023 Resolved
Consumer Confidence Rule
OTHER
Aug 10, 2021 Resolved
Consumer Confidence Rule
OTHER
Aug 10, 2020 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2020 Resolved
Consumer Confidence Rule
OTHER
Aug 10, 2019 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2019 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2018 Resolved
Public Notice
OTHER
Oct 13, 2018 Resolved
Public Notice
OTHER
Oct 13, 2018 Resolved
Consumer Confidence Rule
OTHER
Aug 10, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Public Notice
OTHER
Jun 7, 2018 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2017 Resolved
E. coli
Monitoring and reporting
Apr 3, 2017 Resolved
Revised Total Coliform Rule
Monitoring violation
Apr 1, 2017 Resolved
E. coli
Monitoring and reporting
Mar 3, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2016 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2015 Resolved
Lead and Copper Rule
Monitoring and reporting
Dec 30, 2014 Resolved

Full record since 1990

EPA's records for Round Hill LLC - Well# 1&2 go back to 1990. Before October 19, 2016 they list 3 health-based violations (2 resolved, 1 archived by EPA without a recorded fix) and 70 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 2 60
2000s 1 4
2010 to October 18, 2016 0 6
October 19, 2016 to 2019 0 13
2020s 1 89

Most recent health-based violation before October 19, 2016: Total Coliform, began July 2009, Resolved.

Show all 3 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Jul 1, 2009 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1994 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 1992 Archived

Enforcement actions

Connecticut regulators took 3 formal enforcement actions against Round Hill LLC - Well# 1&2 between 1995 and 2002. The most recent was a compliance order with a penalty in March 2002.

Date By Action Violations covered
Mar 20, 2002 Connecticut Compliance order with a penalty 1 violation: Gross Alpha, Excl. Radon and U
Mar 20, 1997 Connecticut Signed compliance agreement 1 violation: Gross Alpha, Excl. Radon and U
Oct 17, 1995 Connecticut Compliance order with a penalty 1 violation: Lead and Copper Rule

What the violations mean

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Round Hill LLC - Well# 1&2 draws water from 1 well.

Annual water quality report

Round Hill LLC - Well# 1&2 must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Round Hill LLC - Well# 1&2 for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Connecticut.