LONDONDERRY COURT MHP
Maryland — Community Water System — PWSID: PA1150019
System Information
| PWSID | PA1150019 |
| System Name | LONDONDERRY COURT MHP |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 03 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 12, 1979 |
| Last Reported | Mar 30, 2026 |
Location & Contact
| State | Maryland |
| City | NORTH EAST |
| ZIP Code | 21901 |
| Address | PO DRAWER S |
| Organization | LONDONDERRY COURT MHP |
| Phone | 410-287-5277 |
Population & Service
| Population Served | 160 |
| Service Connections | 55 |
Drinking Water Violations (380)
This water system has 380 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2026 | — | MR | No | No | — | TT | — | Unaddressed | — | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Aug 31, 2025 | — | |
| Aug 1, 2025 | Aug 31, 2025 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2025 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | — | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2024 | Sep 30, 2024 | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2024 | — | |
| Sep 1, 2023 | — | RPT | No | No | — | — | — | Resolved | May 7, 2024 | — | |
| Sep 1, 2023 | — | RPT | No | No | — | — | — | Resolved | May 7, 2024 | — | |
| Sep 1, 2023 | — | RPT | No | No | — | — | — | Resolved | May 7, 2024 | — | |
| Jun 16, 2023 | — | Other | No | No | — | — | — | Resolved | Sep 19, 2023 | — | |
| Jun 16, 2023 | — | Other | No | No | — | — | — | Resolved | Sep 19, 2023 | — | |
| Jun 16, 2023 | — | Other | No | No | — | — | — | Resolved | Sep 19, 2023 | — | |
| Jun 16, 2023 | — | Other | No | No | — | — | — | Resolved | Sep 19, 2023 | — | |
| Jun 16, 2023 | — | Other | No | No | — | — | — | Resolved | Sep 19, 2023 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2022 | — | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2022 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Sep 1, 2020 | Sep 30, 2020 | MON | No | Yes | — | — | — | Resolved | Sep 30, 2020 | — | |
| Jan 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Mar 6, 2018 | — | |
| Jan 1, 2018 | — | MR | No | No | — | TT | — | Resolved | Mar 6, 2018 | — | |
| Aug 1, 2017 | Aug 31, 2017 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| Jun 1, 2017 | Jun 30, 2017 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| May 1, 2017 | May 31, 2017 | MR | No | Yes | — | — | — | Resolved | May 31, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Apr 1, 2017 | Jun 30, 2017 | MR | No | No | — | 4.0 mg/L | — | Resolved | Jun 30, 2017 | — | |
| Aug 1, 2016 | Aug 31, 2016 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | — | |
| Aug 1, 2016 | Aug 31, 2016 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | — | |
| Aug 1, 2016 | Aug 31, 2016 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | — | |
| Aug 1, 2016 | Aug 31, 2016 | MR | No | Yes | — | — | — | Resolved | Aug 31, 2016 | — | |
| Jul 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2019 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | No | — | 4.0 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2019 | — | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2016 | — | |
| Jul 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2019 | — | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2016 | — | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2016 | — | |
| Jul 1, 2016 | Jul 31, 2016 | MON | No | Yes | — | — | — | Resolved | Jul 31, 2016 | — | |
| Jul 1, 2016 | — | MR | No | No | — | TT | — | Resolved | Jan 29, 2019 | — |
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.