DU MAR ESTATES WATER COMPANY
Maryland - Community Water System - PWSID: MD0080010
System Information
| PWSID | MD0080010 |
| System Name | DU MAR ESTATES WATER COMPANY |
| 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 | Jan 21, 1982 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | MARBURY |
| ZIP Code | 20658 |
| Address | 4344 Piper Lane |
| Organization | WYNNE, CHANCE |
| Phone | 240-419-9053 |
Population & Service
| Population Served | 150 |
| Service Connections | 48 |
Drinking Water Violations (23)
This water system has 23 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, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Feb 24, 2025 | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Feb 24, 2025 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Unaddressed | - | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 23, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Aug 23, 2023 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2016 | Dec 31, 2016 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Oct 20, 2015 | - | |
| Oct 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Oct 20, 2015 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 2012 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Jul 12, 2011 | - | |
| Jul 1, 2009 | - | Other | No | No | - | - | - | Resolved | Jul 7, 2009 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2007 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2003 | - | |
| - | - | - | 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.