MATTAWOMAN W.W.T.P.
Maryland - Non-Transient Non-Community - PWSID: MD1080017
System Information
| PWSID | MD1080017 |
| System Name | MATTAWOMAN W.W.T.P. |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 15, 1988 |
| 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 | 110 |
| Service Connections | 10 |
Drinking Water Violations (15)
This water system has 15 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 | - | RPT | No | No | - | - | - | Resolved | Oct 30, 2024 | - | |
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Resolved | Oct 30, 2024 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2016 | Dec 31, 2018 | MR | No | Yes | - | 0.010 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Oct 12, 2010 | - | |
| Oct 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Oct 8, 2009 | - | |
| Oct 1, 2008 | - | MR | No | No | - | TT | - | Resolved | Oct 8, 2009 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| Jan 1, 2008 | Dec 31, 2008 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2008 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.