TRIADELPHIA RIDGE ELEMENTARY
Maryland - Non-Transient Non-Community - PWSID: MD1130027
System Information
| PWSID | MD1130027 |
| System Name | TRIADELPHIA RIDGE ELEMENTARY |
| 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 5, 1999 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | ELLICOTT CITY |
| ZIP Code | 21042 |
| Address | Howard County Public School System |
| Organization | MADDEN, CHRISTOPHER |
| Phone | 667-240-9397 |
Population & Service
| Population Served | 507 |
| Service Connections | 1 |
Drinking Water Violations (11)
This water system has 11 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, 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 | - | |
| Jul 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Jul 26, 2011 | - | |
| Jul 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Aug 3, 2000 | - | |
| Jul 1, 1999 | - | TT | Yes | No | - | TT | - | Resolved | Aug 3, 2000 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2001 | - | |
| Jul 1, 1999 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2001 | - | |
| Jan 1, 1999 | Jun 30, 1999 | MR | No | No | - | TT | - | Resolved | Jun 30, 1999 | - | |
| Jan 1, 1999 | Jun 30, 1999 | MR | No | No | - | TT | - | Resolved | Jun 30, 1999 | - |
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.