BAY MONTESSORI SCHOOL
Maryland - Non-Transient Non-Community - PWSID: MD1180070
System Information
| PWSID | MD1180070 |
| System Name | BAY MONTESSORI SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Feb 5, 1999 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | LEXINGTON PARK |
| ZIP Code | 20653 |
| Address | 20525 Willows Road |
| Organization | WILLEN, TAMMY |
| Phone | 301-737-2421 |
Population & Service
| Population Served | 100 |
| Service Connections | 1 |
Drinking Water Violations (34)
This water system has 34 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 17, 2024 | - | RPT | No | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jun 18, 2025 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Jun 24, 2013 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Jun 24, 2013 | - | |
| Oct 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Jun 24, 2013 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Jul 1, 2011 | Sep 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2006 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2006 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2006 | - | |
| Oct 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Feb 6, 2006 | - | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Apr 1, 1999 | Jun 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Jan 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2000 | - | |
| Jan 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Jan 11, 2000 | - | |
| - | - | - | 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.