CLIFFTON ON THE POTOMAC
Maryland — Community Water System — PWSID: MD0080009
System Information
| PWSID | MD0080009 |
| System Name | CLIFFTON ON THE POTOMAC |
| 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 | 744 |
| Service Connections | 200 |
Drinking Water Violations (22)
This water system has 22 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 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2022 | Dec 31, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2021 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2021 | — | |
| 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 10, 2008 | — | |
| Jul 1, 2007 | — | Other | No | No | — | — | — | Resolved | Jul 25, 2007 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 16 PCI/L | 15 pCi/L | 15 | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 16 PCI/L | 15 pCi/L | 15 | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 16 PCI/L | 15 pCi/L | 15 | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 16 PCI/L | 15 pCi/L | 15 | Resolved | Dec 31, 2006 | — | |
| Jan 1, 2006 | Dec 31, 2006 | MCL | Yes | No | 16 PCI/L | 15 pCi/L | 15 | Resolved | Dec 31, 2006 | — | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2001 | — | |
| — | — | — | 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.