Public water system record

Londonderry Court MHP

Serves an area of Chester County, PA · 160 people served

Federal records show no health-based violations and 16 monitoring/reporting issues for Londonderry Court MHP in the last ten years. At least one of these issues remains unresolved.

  • PA1150019
  • NORTH EAST
  • MD
  • 160 served

System profile

Source water Purchased surface water
ZIP 21901
EPA system ID PA1150019

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
16

Key facts

  • Londonderry Court MHP buys its water from Chester Water Authority.
  • Most recent formal enforcement: compliance order (no penalty) by Pennsylvania, February 2013.
  • Record on file since 1982, with 11 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 55 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

None since October 2016.

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2026 Active
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2025 Resolved
Chlorine
Monitoring and reporting
Aug 1, 2025 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2024 Resolved
Chlorine
Monitoring and reporting
Sep 1, 2024 Resolved
Revised Total Coliform Rule
RPT
Sep 1, 2023 Resolved
Groundwater Rule
OTHER
Jun 16, 2023 Resolved
Asbestos
Monitoring and reporting
Jan 1, 2022 Resolved
Revised Total Coliform Rule
Monitoring violation
Sep 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2018 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Aug 1, 2017 Resolved
Chlorine
Monitoring and reporting
Jul 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Jun 1, 2017 Resolved
Surface Water Treatment Rule
Monitoring and reporting
May 1, 2017 Resolved
Chlorine
Monitoring and reporting
Apr 1, 2017 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2016 Resolved

Full record since 1982

EPA's records for Londonderry Court MHP go back to 1982. Before October 19, 2016 they list 11 health-based violations (9 resolved, 2 archived by EPA without a recorded fix) and 125 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1980s 0 14
1990s 4 29
2000s 1 18
2010 to October 18, 2016 6 64
October 19, 2016 to 2019 0 6
2020s 0 9

Most recent health-based violation before October 19, 2016: Nitrate (acute), began April 2013, Resolved.

Show all 11 health-based violations before October 19, 2016
Contaminant Start date Status
Nitrate (acute)
Contaminant limit exceeded
Measured 10.5 mg/L, federal limit 10 mg/L (1.1 times the limit)
Apr 1, 2013 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
Oct 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.7 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jul 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.6 mg/L, federal limit 10 mg/L (1.1 times the limit)
Apr 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.5 mg/L, federal limit 10 mg/L (1.1 times the limit)
Jan 1, 2012 Resolved
Nitrate (acute)
Contaminant limit exceeded
Measured 10.5 mg/L, federal limit 10 mg/L (1.1 times the limit)
Oct 1, 2011 Resolved
Lead and Copper Rule
Treatment technique failure
Jul 1, 2007 Resolved
Total Coliform (acute)
Contaminant limit exceeded
Jul 1, 1993 Resolved
Total Coliform
Contaminant limit exceeded
Jul 1, 1993 Resolved
1,1,1-Trichloroethane
Contaminant limit exceeded
Oct 1, 1991 Archived
1,1,1-Trichloroethane
Contaminant limit exceeded
Jul 1, 1991 Archived

Enforcement actions

Pennsylvania regulators took 4 formal enforcement actions against Londonderry Court MHP and issued 1 boil water order between 1993 and 2013, filed as 8 records in EPA's data. The most recent was a compliance order (no penalty) in February 2013.

Date By Action Violations covered
Feb 13, 2013 Pennsylvania Compliance order (no penalty) 4 violations (1 health-based): Nitrate
Nov 29, 2012 Pennsylvania Compliance order (no penalty) 2 violations (2 health-based): Nitrate
Aug 24, 2012 Pennsylvania Compliance order (no penalty) 2 violations (2 health-based): Nitrate
Jul 23, 1993 Pennsylvania Compliance order (no penalty) 2 violations (2 health-based): Total Coliform
Jul 23, 1993 Pennsylvania Boil water order 2 violations (2 health-based): Total Coliform

Where the water comes from

Londonderry Court MHP buys its water from Chester Water Authority. It lists no wells or intakes of its own.

Buys water from

Annual water quality report

Londonderry Court MHP must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Londonderry Court MHP for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Pennsylvania.