KEY SCHOOL
Maryland - Non-Transient Non-Community - PWSID: MD1020018
System Information
| PWSID | MD1020018 |
| System Name | KEY 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 | Feb 8, 1989 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | ANNAPOLIS |
| ZIP Code | 21403 |
| Address | 534 HILLSMERE DRIVE |
| Organization | JOLIE, AARON |
| Phone | 410-263-9231 |
Population & Service
| Population Served | 820 |
| Service Connections | 16 |
Drinking Water Violations (39)
This water system has 39 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, 2018 | - | MR | No | No | - | TT | - | Resolved | Nov 5, 2018 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 21, 2016 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2016 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2016 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2016 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Dec 30, 2016 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Oct 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 7, 2002 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1996 | - | |
| Apr 1, 1996 | Jun 30, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Jun 30, 1996 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Jan 1, 1995 | Mar 31, 1995 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 1995 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1994 | Dec 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 1994 | - | |
| Jul 1, 1994 | Sep 30, 1994 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Jan 1, 1994 | Mar 18, 1994 | MR | No | No | - | TT | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 18, 1994 | MR | No | No | - | TT | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 18, 1994 | MR | No | No | - | TT | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 18, 1994 | MR | No | No | - | TT | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 31, 1994 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 18, 1994 | - | |
| Jan 1, 1994 | Mar 18, 1994 | MR | No | No | - | TT | - | Resolved | Mar 18, 1994 | - |
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.