MOUNTAIRE-MILLSBORO
Delaware — Non-Transient Non-Community — PWSID: DE0001303
System Information
| PWSID | DE0001303 |
| System Name | MOUNTAIRE-MILLSBORO |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jun 7, 1984 |
| Last Reported | Feb 12, 2026 |
Location & Contact
| State | Delaware |
| City | MILLSBORO |
| ZIP Code | 19966 |
| Address | 29292 John J Williams Highway |
| Organization | ROGERS-VICKERS, TANYA |
| Phone | 302-934-4052 |
Population & Service
| Population Served | 1,200 |
| Service Connections | 10 |
Drinking Water Violations (93)
This water system has 93 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, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Oct 1, 2010 | Dec 31, 2010 | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2010 | — | |
| Jan 1, 2010 | Jun 30, 2010 | MR | No | No | — | TT | — | Archived | Jun 30, 2010 | — | |
| Jan 1, 2007 | Jun 30, 2007 | MR | No | No | — | TT | — | Resolved | Jun 30, 2007 | — | |
| Jan 1, 2007 | Jun 30, 2007 | MR | No | No | — | TT | — | Resolved | Jun 30, 2007 | — | |
| Jan 1, 2007 | Jun 30, 2007 | MR | No | No | — | TT | — | Resolved | Jun 30, 2007 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | 15 | 10 mg/L | 10 | Resolved | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | 15 | 10 mg/L | 10 | Archived | Sep 30, 1993 | — | |
| Apr 1, 1993 | Jun 30, 1993 | MCL | Yes | No | 21 | 10 mg/L | 10 | Resolved | Jun 30, 1993 | — | |
| Apr 1, 1993 | Jun 30, 1993 | MCL | Yes | No | 21 | 10 mg/L | 10 | Resolved | Jun 30, 1993 | — | |
| Apr 1, 1993 | Jun 30, 1993 | MCL | Yes | No | 14 | 10 mg/L | 10 | Resolved | Jun 30, 1993 | — | |
| Apr 1, 1993 | Jun 30, 1993 | MCL | Yes | No | 14 | 10 mg/L | 10 | Resolved | Jun 30, 1993 | — | |
| Apr 1, 1993 | Jun 30, 1993 | MCL | Yes | No | 14 | 10 mg/L | 10 | Archived | Jun 30, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 21 | 10 mg/L | 10 | Resolved | Mar 31, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 20 | 10 mg/L | 10 | Archived | Mar 31, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 20 | 10 mg/L | 10 | Archived | Mar 31, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 20 | 10 mg/L | 10 | Archived | Mar 31, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 20 | 10 mg/L | 10 | Archived | Mar 31, 1993 | — | |
| Jan 1, 1993 | Mar 31, 1993 | MCL | Yes | No | 21 | 10 mg/L | 10 | Resolved | Mar 31, 1993 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | 23 | 10 mg/L | 10 | Archived | Dec 31, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | 14 | 10 mg/L | 10 | Archived | Dec 31, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | 23 | 10 mg/L | 10 | Archived | Dec 31, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | 14 | 10 mg/L | 10 | Archived | Dec 31, 1992 | — | |
| Jul 1, 1992 | Sep 30, 1992 | MCL | Yes | No | 19 | 10 mg/L | 10 | Archived | Sep 30, 1992 | — | |
| Jul 1, 1992 | Sep 30, 1992 | MCL | Yes | No | 19.2 | 10 mg/L | 10 | Archived | Sep 30, 1992 | — | |
| Jul 1, 1992 | Sep 30, 1992 | MCL | Yes | No | 19.2 | 10 mg/L | 10 | Archived | Sep 30, 1992 | — | |
| Jul 1, 1992 | Sep 30, 1992 | MCL | Yes | No | 19 | 10 mg/L | 10 | Archived | Sep 30, 1992 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 30, 1992 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MCL | Yes | No | 19 | 10 mg/L | 10 | Archived | Jun 30, 1992 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | Yes | — | 10 mg/L | — | Archived | Jun 30, 1992 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MCL | Yes | No | 19 | 10 mg/L | 10 | Archived | Jun 30, 1992 | — | |
| Jan 1, 1992 | Mar 31, 1992 | MCL | Yes | No | 20.3 | 10 mg/L | 10 | Archived | Mar 31, 1992 | — | |
| Jan 1, 1992 | Mar 31, 1992 | MCL | Yes | No | 19 | 10 mg/L | 10 | Archived | Mar 31, 1992 | — | |
| Jan 1, 1992 | Mar 31, 1992 | MCL | Yes | No | 20.3 | 10 mg/L | 10 | Archived | Mar 31, 1992 | — | |
| Oct 1, 1991 | Dec 31, 1991 | MCL | Yes | No | 14.6 | 10 mg/L | 10 | Archived | Dec 31, 1991 | — | |
| Oct 1, 1991 | Dec 31, 1991 | MCL | Yes | No | 14.6 | 10 mg/L | 10 | Archived | Dec 31, 1991 | — | |
| Apr 1, 1991 | Jun 30, 1991 | MCL | Yes | No | 15 | 10 mg/L | 10 | Archived | Jun 30, 1991 | — | |
| Apr 1, 1991 | Jun 30, 1991 | MCL | Yes | No | 15 | 10 mg/L | 10 | Archived | Jun 30, 1991 | — | |
| Jan 1, 1991 | Mar 31, 1991 | MCL | Yes | No | 13 | 10 mg/L | 10 | Archived | Mar 31, 1991 | — | |
| Jan 1, 1991 | Mar 31, 1991 | MCL | Yes | No | 13 | 10 mg/L | 10 | Archived | Mar 31, 1991 | — | |
| Oct 1, 1990 | Dec 31, 1990 | MCL | Yes | No | 12 | 10 mg/L | 10 | Archived | Dec 31, 1990 | — | |
| Oct 1, 1990 | Dec 31, 1990 | MCL | Yes | No | 12 | 10 mg/L | 10 | Archived | Dec 31, 1990 | — | |
| Sep 7, 1990 | Dec 6, 1990 | MCL | Yes | No | 115.1 | 10 mg/L | 10 | Archived | Dec 6, 1990 | — | |
| May 10, 1990 | Aug 9, 1990 | MCL | Yes | No | 15.5 | 10 mg/L | 10 | Archived | Aug 9, 1990 | — | |
| Mar 19, 1990 | Jun 18, 1990 | MCL | Yes | No | 14.5 | 10 mg/L | 10 | Archived | Jun 18, 1990 | — | |
| Nov 22, 1989 | Feb 21, 1990 | MCL | Yes | No | 10.5 | 10 mg/L | 10 | Archived | Feb 21, 1990 | — | |
| Aug 15, 1989 | Nov 14, 1989 | MCL | Yes | No | 14.5 | 10 mg/L | 10 | Archived | Nov 14, 1989 | — | |
| May 17, 1989 | Aug 16, 1989 | MCL | Yes | No | 14 | 10 mg/L | 10 | Archived | Aug 16, 1989 | — |
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.