DERING HARBOR CORP
New York - Transient Non-Community - PWSID: NY5121859
System Information
| PWSID | NY5121859 |
| System Name | DERING HARBOR CORP |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 02 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 6, 1990 |
| Last Reported | Jun 25, 2026 |
Location & Contact
| State | New York |
| City | SHELTER ISLAND HGTS |
| ZIP Code | 11965 |
| Address | P.O. BOX 3028 |
| Organization | WINTHROP MANOR LTD |
| Phone | - |
Population & Service
| Population Served | 250 |
| Service Connections | 30 |
Drinking Water Violations (9)
This water system has 9 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, 2020 | Jul 31, 2020 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2020 | Jul 31, 2020 | MCL | Yes | No | - | - | - | Resolved | Jul 31, 2020 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 15, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 15, 2008 | - | |
| Jul 1, 2008 | Sep 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 15, 2008 | - | |
| 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 | - |
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.