ROUND HILL STORE/SERVICE STATION
Connecticut - Transient Non-Community - PWSID: CT0570234
System Information
| PWSID | CT0570234 |
| System Name | ROUND HILL STORE/SERVICE STATION |
| 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 | Apr 27, 2002 |
| Last Reported | Jun 29, 2026 |
Location & Contact
| State | Connecticut |
| City | GREENWICH |
| ZIP Code | 06831 |
| Address | 369 ROUND HILL ROAD |
| Organization | STRAIN, WILLIAM |
| Phone | 203-661-7270 |
Population & Service
| Population Served | 31 |
| Service Connections | 1 |
Drinking Water Violations (55)
This water system has 55 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2024 | Aug 31, 2024 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Aug 1, 2024 | Aug 31, 2024 | MCL | Yes | No | - | - | - | Resolved | Aug 31, 2024 | - | |
| Mar 30, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Mar 30, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 31, 2025 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Feb 1, 2022 | Feb 28, 2022 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2022 | - | |
| Aug 15, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 18, 2021 | - | |
| Aug 15, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 18, 2021 | - | |
| Aug 15, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 18, 2021 | - | |
| Aug 15, 2021 | - | TT | Yes | No | - | - | - | Resolved | Nov 18, 2021 | - | |
| Jun 6, 2018 | - | Other | No | No | - | - | - | Resolved | Jun 6, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 11 MG/L | 10 mg/L | 10 | Resolved | Jun 30, 2018 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 1 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Dec 26, 2008 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2011 | - | |
| Dec 26, 2008 | - | Other | No | No | - | - | - | Resolved | Jun 1, 2011 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | - | 1 mg/L | - | Resolved | Sep 30, 2008 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 1 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 2004 | - | |
| Dec 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2003 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2003 | - | |
| Jan 1, 2003 | Jan 31, 2003 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2003 | - | |
| Dec 1, 2002 | Dec 31, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2002 | - |
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.