DEERWOOD MANOR DRINKING WATER SYSTEM
Connecticut — Community Water System — PWSID: GA3050003
System Information
| PWSID | GA3050003 |
| System Name | DEERWOOD MANOR DRINKING WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 04 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 7, 1984 |
| Last Reported | Dec 22, 2025 |
Location & Contact
| State | Connecticut |
| City | OLD LYME |
| ZIP Code | 06371 |
| Address | 2 Huntley Rd |
| Organization | PATTERSON, GERALDINE |
| Phone | 105-205-2569 |
Population & Service
| Population Served | 84 |
| Service Connections | 34 |
Drinking Water Violations (79)
This water system has 79 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2025 | Consumer Confidence Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 30, 2025 | Consumer Confidence Rule |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 17, 2024 | — | LEAD AND COPPER RULE REVISIONS | RPT | No | No | — | — | — | Unaddressed | — | Lead and Copper Rule Revisions |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Oct 1, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Unaddressed | — | Lead and Copper Rule |
| Apr 21, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 28, 2022 | Public Notice Rule and Revised PN Rule |
| Apr 21, 2022 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 28, 2022 | Public Notice Rule and Revised PN Rule |
| Aug 27, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 28, 2022 | Public Notice Rule and Revised PN Rule |
| Aug 27, 2021 | — | Public Notice | Other | No | No | — | — | — | Resolved | Jul 28, 2022 | Public Notice Rule and Revised PN Rule |
| Jul 30, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Unaddressed | — | Ground Water Rule |
| Jul 30, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Unaddressed | — | Ground Water Rule |
| Jul 30, 2020 | — | E. COLI | MR | No | Yes | — | — | — | Unaddressed | — | Ground Water Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jan 1, 2020 | Dec 31, 2020 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2020 | Nitrate Rule |
| Jul 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 6, 2016 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 7, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 7, 2015 | Consumer Confidence Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 2013 | Total Coliform Rule |
| Feb 1, 2013 | Feb 28, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Feb 28, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Jan 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Jan 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2013 | Total Coliform Rule |
| Jan 1, 2013 | Jan 31, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2013 | Total Coliform Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 26, 2012 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 26, 2012 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 26, 2012 | Lead and Copper Rule |
| Oct 1, 2011 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 26, 2012 | Lead and Copper Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 5, 2010 | Consumer Confidence Rule |
| Jul 1, 2009 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 2, 2009 | Consumer Confidence Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | Total Coliform Rule |
| Sep 1, 2006 | Sep 30, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2006 | Total Coliform Rule |
| Aug 1, 2006 | Aug 31, 2006 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Aug 31, 2006 | Total Coliform Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 28, 2006 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 28, 2006 | Consumer Confidence Rule |
| Jul 1, 2006 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 28, 2006 | Consumer Confidence Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Dec 31, 2005 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Jan 31, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Jan 31, 2004 | Total Coliform Rule |
| Jan 1, 2004 | Dec 31, 2004 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Dec 31, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.