WINTERTHUR
Delaware — Community Water System — PWSID: DE0000503
System Information
| PWSID | DE0000503 |
| System Name | WINTERTHUR |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 10, 1979 |
| Last Reported | Feb 12, 2026 |
Location & Contact
| State | Delaware |
| City | WINTERTHUR |
| ZIP Code | 19735 |
| Address | Winterthur Museum |
| Organization | CASTLE, JOHN |
| Phone | 302-888-4954 |
Population & Service
| Population Served | 687 |
| Service Connections | 39 |
Drinking Water Violations (7)
This water system has 7 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, 2006 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2007 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2007 | — | |
| Oct 1, 2006 | — | MR | No | No | — | TT | — | Resolved | Jan 17, 2007 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1998 | — | |
| Oct 1, 1998 | Oct 31, 1998 | MR | No | No | — | 5% of samples | — | Archived | Oct 31, 1998 | — | |
| — | — | — | 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.