Community Water System · PWSID PA1150019

Londonderry Court MHP

Serves 160 peopleSurface Water PurchasedOwner: PrivateNorth East, Maryland
Nothing open right now.

On record since 2006: 62 violations. 1 treatment lapse · 49 missed or late tests · 12 notices or reports. Most recent began 2025-08-01.

None of them is a measurement of contaminated water.

For this year's test results, ask the utility for its annual Consumer Confidence Report. Every community system must publish one.

0Over the limit
1Treatment lapse
49Missed or late test
12Notice or report

More violations on record than 99% of active water systems in Maryland. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

20052006 · Notice or report: 12007 · Treatment lapse: 12007 · Notice or report: 12010 · Notice or report: 220102011 · Notice or report: 12012 · Notice or report: 32012 · Notice or report: 32013 · Missed or late test: 12013 · Notice or report: 12014 · Missed or late test: 12015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 212015 · Missed or late test: 2120152016 · Missed or late test: 132016 · Missed or late test: 132016 · Missed or late test: 132016 · Missed or late test: 132016 · Missed or late test: 132016 · Missed or late test: 132016 · Missed or late test: 132016 · Notice or report: 12017 · Missed or late test: 52017 · Missed or late test: 52017 · Missed or late test: 52018 · Missed or late test: 12020 · Missed or late test: 120202022 · Missed or late test: 12023 · Missed or late test: 12023 · Notice or report: 22024 · Missed or late test: 22025 · Missed or late test: 22025
One square ≈ 2 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
2% treatment lapse · 179% missed or late test · 4919% notice or report · 12

Across Maryland, 72% of violations are missed or late tests and 5% are water over a limit.

Every violation on record

  1. 2025-08-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  2. 2025-08-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  3. 2024-09-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  4. 2024-09-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  5. 2023-09-01Revised Total Coliform RuleRPTBack in compliance
  6. 2023-09-01Revised Total Coliform RuleMONPeriod ended · no return to compliance on file
  7. 2023-06-16Groundwater RuleFailure to Consult with StateBack in compliance
  8. 2022-01-01AsbestosMonitoring, RegularBack in compliance
  9. 2020-09-01Revised Total Coliform RuleMONBack in compliance
  10. 2018-01-01Lead and Copper RuleLead Consumer NoticeBack in compliance
  11. 2017-08-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  12. 2017-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  13. 2017-06-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  14. 2017-05-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  15. 2017-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  16. 2016-08-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  17. 2016-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  18. 2016-07-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  19. 2016-07-01Revised Total Coliform RuleMONBack in compliance
  20. 2016-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  21. 2016-06-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  22. 2016-05-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  23. 2016-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  24. 2016-04-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  25. 2016-04-01Revised Total Coliform RuleOtherBack in compliance
Show the other 37 entries
  1. 2016-03-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  2. 2016-03-01Coliform (TCR)Monitoring, Routine Major (TCR)Back in compliance
  3. 2016-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  4. 2016-01-01Surface water treatment (SWTR)Monitoring of Treatment (SWTR-Filter)Back in compliance
  5. 2015-10-01Radium-228Monitoring, RegularBack in compliance
  6. 2015-10-01Radium-226Monitoring, RegularBack in compliance
  7. 2015-10-01Gross Alpha, Excl. Radon and UMonitoring, RegularBack in compliance
  8. 2015-10-01NitriteMonitoring, RegularBack in compliance
  9. 2015-10-01NitrateMonitoring, RegularBack in compliance
  10. 2015-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  11. 2015-07-01NitriteMonitoring, RegularBack in compliance
  12. 2015-07-01NitrateMonitoring, RegularBack in compliance
  13. 2015-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  14. 2015-01-01Thallium, TotalMonitoring, RegularBack in compliance
  15. 2015-01-01Beryllium, TotalMonitoring, RegularBack in compliance
  16. 2015-01-01Antimony, TotalMonitoring, RegularBack in compliance
  17. 2015-01-01SeleniumMonitoring, RegularBack in compliance
  18. 2015-01-01NickelMonitoring, RegularBack in compliance
  19. 2015-01-01MercuryMonitoring, RegularBack in compliance
  20. 2015-01-01FluorideMonitoring, RegularBack in compliance
  21. 2015-01-01CyanideMonitoring, RegularBack in compliance
  22. 2015-01-01ChromiumMonitoring, RegularBack in compliance
  23. 2015-01-01CadmiumMonitoring, RegularBack in compliance
  24. 2015-01-01BariumMonitoring, RegularBack in compliance
  25. 2015-01-01ArsenicMonitoring, RegularBack in compliance
  26. 2014-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  27. 2013-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  28. 2013-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  29. 2012-10-12Public NoticePN Violation for NPDWR ViolationBack in compliance
  30. 2012-07-12Public NoticePN Violation for NPDWR ViolationBack in compliance
  31. 2012-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  32. 2011-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  33. 2010-10-11Public NoticePN Violation for NPDWR ViolationBack in compliance
  34. 2010-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  35. 2007-08-10Public NoticePN Violation for NPDWR ViolationBack in compliance
  36. 2007-07-01Lead and Copper RuleOCCT/SOWT Study/RecommendationBack in compliance
  37. 2006-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance

System details

Population served160
Service connections55
Water sourceSurface Water Purchased
System typeCommunity Water System
OwnerPrivate
StatusActive
CityNorth East
EPA ZIP on file21901

Areas served

  • Chester County

Reading this record

Londonderry Court MHP is a community water system that draws from surface water purchased and serves about 160 people in North East, Maryland. Everything above comes from the EPA's Safe Drinking Water Information System (SDWIS), where states report every violation by every public water system.

Four kinds of violation. Only one is a measurement of the water: over the limit means a test came back above a legal maximum (an MCL). A treatment lapse means a required protective step was not done, such as disinfection, filtration, fixing a defect an inspector found, or filing a lead-pipe inventory. A missed or late test means a required test was skipped or never reported. That is the most common kind, and the most misread: it does not mean the water was bad, and it does not mean the water was fine. Notices and reports covers public notices and the annual Consumer Confidence Report.

Status. “Back in compliance” means the state recorded a return to compliance. “Period ended” means the violation's compliance period is over but no return to compliance was ever filed, which is common in older records. EPA's federal copy lags state records by months, so call the utility for anything current.