DIAMOND WOODS ESTATES MHP
New York - Community Water System - PWSID: NY4121420
System Information
| PWSID | NY4121420 |
| System Name | DIAMOND WOODS ESTATES MHP |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 22, 1988 |
| Last Reported | Mar 27, 2026 |
Location & Contact
| State | New York |
| City | PORT JEFFERSON |
| ZIP Code | 11777 |
| Address | PO Box 842 |
| Organization | CAVANAGH, PATRICK |
| Phone | 516-924-6806 |
Population & Service
| Population Served | 150 |
| Service Connections | 49 |
Drinking Water Violations (44)
This water system has 44 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2022 | - | |
| Oct 1, 2021 | - | MR | No | No | - | TT | - | Resolved | Feb 14, 2022 | - | |
| Jan 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2022 | - | |
| Jan 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2022 | - | |
| Jan 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jul 6, 2022 | - | |
| Oct 1, 2017 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Aug 1, 2013 | Aug 31, 2013 | Other | No | No | - | - | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | Other | No | No | - | - | - | Resolved | Aug 31, 2013 | - | |
| Jan 10, 2008 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2014 | - | |
| Jan 10, 2008 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2014 | - | |
| Jan 10, 2008 | - | TT | Yes | No | - | - | - | Resolved | Sep 18, 2014 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Dec 31, 2007 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2007 | - | |
| Jan 1, 2007 | Mar 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2007 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Oct 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 24, 2005 | - | |
| Jul 1, 2004 | - | Other | No | No | - | - | - | Resolved | Jan 24, 2005 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2004 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jul 1, 2002 | Sep 30, 2002 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Jan 1, 2002 | Dec 31, 2002 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2002 | - | |
| Oct 19, 1999 | Jul 1, 2000 | Other | No | Yes | - | - | - | Resolved | Jul 1, 2000 | - | |
| Oct 19, 1999 | Jul 1, 2000 | Other | No | Yes | - | - | - | Resolved | Jul 1, 2000 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| Jan 1, 1999 | Dec 31, 1999 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 1999 | - | |
| - | - | - | 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.