18 MILL PLAIN ROAD
Connecticut - Transient Non-Community - PWSID: CT0341164
System Information
| PWSID | CT0341164 |
| System Name | 18 MILL PLAIN ROAD |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 01 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 11, 2000 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Connecticut |
| City | SOUTHBURY |
| ZIP Code | 06488 |
| Address | 108 MAPLE TREE HILL RD |
| Organization | MARNELAKIS, GEORGE |
| Phone | 203-417-1269 |
Population & Service
| Population Served | 25 |
| Service Connections | 1 |
Drinking Water Violations (47)
This water system has 47 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Dec 9, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 22, 2021 | - | |
| Dec 9, 2020 | - | Other | No | No | - | - | - | Resolved | Apr 22, 2021 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Sep 1, 2019 | Sep 30, 2019 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2019 | - | |
| Dec 2, 2018 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 2, 2018 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 2, 2018 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2018 | - | |
| Dec 2, 2018 | - | TT | Yes | No | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jun 6, 2018 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2018 | - | |
| Jul 23, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 23, 2018 | - | |
| Jul 23, 2017 | - | Other | No | No | - | - | - | Resolved | Feb 23, 2018 | - | |
| Feb 5, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Feb 5, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Feb 5, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Feb 5, 2017 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Jan 1, 2017 | Jan 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jan 31, 2017 | - | |
| Dec 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Dec 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Dec 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Dec 2, 2016 | - | TT | Yes | No | - | - | - | Resolved | Feb 19, 2018 | - | |
| Sep 11, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 8, 2012 | - | |
| Sep 11, 2010 | - | Other | No | No | - | - | - | Resolved | Aug 8, 2012 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Aug 1, 2010 | Aug 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2002 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Aug 1, 2001 | Aug 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| Jul 1, 2001 | Jul 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jul 31, 2001 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.