MONOCACY ELEMENTARY SCHOOL
Maryland - Non-Transient Non-Community - PWSID: MD1150018
System Information
| PWSID | MD1150018 |
| System Name | MONOCACY ELEMENTARY SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Dec 15, 1988 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | MONTGOMERY VILLAGE |
| ZIP Code | 20879 |
| Address | Monocacy ES |
| Organization | ZARATE, LYNNE |
| Phone | 240-740-2507 |
Population & Service
| Population Served | 351 |
| Service Connections | 1 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 2, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2025 | - | |
| Oct 1, 2022 | - | MR | No | No | - | TT | - | Unaddressed | - | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2021 | Dec 31, 2021 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2021 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2017 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2017 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Apr 1, 2010 | Jun 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2010 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2008 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Jul 1, 2004 | Sep 30, 2004 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2004 | - | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Oct 1, 1999 | Dec 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1999 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | May 15, 2001 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | Sep 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1999 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | May 15, 2001 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | May 15, 2001 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | May 15, 2001 | - | |
| Jan 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | May 15, 2001 | - | |
| Jan 1, 1998 | May 15, 2001 | MR | No | No | - | TT | - | Archived | May 15, 2001 | - | |
| Jan 1, 1996 | Apr 6, 1998 | TT | Yes | No | - | TT | - | Resolved | Apr 6, 1998 | - | |
| Jan 1, 1996 | Apr 6, 1998 | TT | Yes | No | - | TT | - | Resolved | Apr 6, 1998 | - | |
| 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 | - | |
| Jan 1, 1994 | Dec 17, 1996 | MR | No | No | - | TT | - | Resolved | Dec 17, 1996 | - | |
| Jan 1, 1994 | Dec 17, 1996 | MR | No | No | - | TT | - | Resolved | Dec 17, 1996 | - | |
| Jan 1, 1994 | Dec 17, 1996 | MR | No | No | - | TT | - | Resolved | Dec 17, 1996 | - | |
| Jan 1, 1994 | Dec 17, 1996 | MR | No | No | - | TT | - | Resolved | Dec 17, 1996 | - | |
| 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 | - | |
| 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 | - | |
| - | - | - | 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.