MARIELLEN PARK
Maryland — Community Water System — PWSID: MD0080028
System Information
| PWSID | MD0080028 |
| System Name | MARIELLEN PARK |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 21, 1982 |
| Last Reported | Feb 26, 2026 |
Location & Contact
| State | Maryland |
| City | LA PLATA |
| ZIP Code | 20646 |
| Address | CHARLES CO DEPT PUBLIC WORKS |
| Organization | SIMANOVSKY, SEMYON |
| Phone | 301-609-5611 |
Population & Service
| Population Served | 184 |
| Service Connections | 70 |
Drinking Water Violations (6)
This water system has 6 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, 2023 | — | MR | No | No | — | TT | — | Resolved | Nov 16, 2023 | — | |
| Oct 1, 2017 | — | MR | No | No | — | TT | — | Resolved | Oct 11, 2017 | — | |
| Oct 1, 2014 | — | MR | No | No | — | TT | — | Resolved | Oct 22, 2014 | — | |
| Oct 1, 2011 | — | MR | No | No | — | TT | — | Resolved | Dec 13, 2011 | — | |
| Oct 1, 2008 | — | MR | No | No | — | TT | — | Resolved | Dec 1, 2008 | — | |
| — | — | — | 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.