MATER AMORIS MONTESSORI SCHOOL
Maryland — Non-Transient Non-Community — PWSID: MD1150014
System Information
| PWSID | MD1150014 |
| System Name | MATER AMORIS 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 | Dec 15, 1988 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | ASHTON |
| ZIP Code | 20861 |
| Address | Mater Amoris Montessori School |
| Organization | MACK, JANELLE |
| Phone | 301-774-7468 |
Population & Service
| Population Served | 155 |
| Service Connections | 1 |
Drinking Water Violations (31)
This water system has 31 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 | — | TT | Yes | No | — | — | — | Resolved | Mar 14, 2025 | — | |
| Oct 17, 2024 | — | RPT | No | No | — | — | — | Resolved | Mar 14, 2025 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MON | No | Yes | — | — | — | Archived | Sep 30, 2021 | — | |
| Oct 1, 2013 | — | MR | No | No | — | TT | — | Resolved | Oct 15, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Sep 1, 2008 | Sep 30, 2008 | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2008 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jan 1, 2000 | Dec 31, 2000 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2000 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Oct 31, 1994 | MR | No | No | — | TT | — | Resolved | Oct 31, 1994 | — | |
| Jul 1, 1994 | Oct 31, 1994 | MR | No | No | — | TT | — | Resolved | Oct 31, 1994 | — | |
| Jul 1, 1994 | Oct 31, 1994 | MR | No | No | — | TT | — | Resolved | Oct 31, 1994 | — | |
| Jul 1, 1994 | Oct 31, 1994 | MR | No | No | — | TT | — | Resolved | Oct 31, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1994 | Sep 30, 1994 | MR | No | Yes | — | 5% of samples | — | Resolved | Sep 30, 1994 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1993 | — | |
| Jul 1, 1993 | Sep 30, 1993 | MCL | Yes | No | — | 5% of samples | — | Archived | Sep 30, 1993 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1992 | — | |
| Oct 1, 1992 | Dec 31, 1992 | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 13, 1992 | — | |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.