Non-Transient Non-Community · PWSID PA4190398

Knoebels Grove Park

Serves 4,000 peopleGroundwaterOwner: PrivateElysburg, Pennsylvania
2 open treatment violations.

Open for: Groundwater Rule. EPA counts treatment-technique violations as health-based: a required protective step was not done. It is not a measurement of contamination.

On record since 2007: 161 violations. 2 treatment lapses · 158 missed or late tests · 1 notice or report. Most recent began 2025-03-07.

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
2Treatment lapse2 open
158Missed or late test
1Notice or report

More violations on record than 98% of active water systems in Pennsylvania. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

20052007 · Missed or late test: 120102011 · Missed or late test: 72011 · Missed or late test: 72012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392012 · Missed or late test: 392014 · Missed or late test: 162014 · Missed or late test: 162014 · Missed or late test: 162014 · Missed or late test: 162015 · Missed or late test: 202015 · Missed or late test: 202015 · Missed or late test: 202015 · Missed or late test: 202015 · Missed or late test: 2020152016 · Missed or late test: 82016 · Missed or late test: 82016 · Notice or report: 12017 · Missed or late test: 122017 · Missed or late test: 122017 · Missed or late test: 122018 · Missed or late test: 52018 · Missed or late test: 52019 · Missed or late test: 32020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 462020 · Missed or late test: 4620202024 · Missed or late test: 12025 · Treatment lapse: 22025
One square ≈ 4 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
1% treatment lapse · 298% missed or late test · 158<1% notice or report · 1

Across Pennsylvania, 71% of violations are missed or late tests and 2% are water over a limit.

Lead & copper at the tap

Utilities sample taps in homes most likely to have lead pipes, and report the 90th-percentile result: 9 in 10 homes sampled came in at or below this number. Above the red line (the action level) the utility must act. The action level is not a safe level; EPA's health goal for lead is zero. EPA's file does not date these results, so they are shown highest first.

Lead, 90th percentile 3 results on file · action level 15 ppb

6 ppb
5.5 ppb
0 ppb

Open now (2)

  1. 2025-03-07Groundwater Rule ×2Failure To Address DeficiencyOpen

Every violation on record

  1. 2025-03-07Groundwater Rule ×2Failure To Address DeficiencyOpen
  2. 2024-06-01Revised Total Coliform RuleMONBack in compliance
  3. 2020-01-01Chlordane ×2Monitoring, RegularBack in compliance
  4. 2020-01-01Ethylene Dibromide ×2Monitoring, RegularBack in compliance
  5. 2020-01-011, 2-Dibromo-3-Chloropropane ×2Monitoring, RegularBack in compliance
  6. 2020-01-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  7. 2020-01-01Benzo(a)pyrene ×2Monitoring, RegularBack in compliance
  8. 2020-01-01Hexachlorobenzene ×2Monitoring, RegularBack in compliance
  9. 2020-01-01Heptachlor epoxide ×2Monitoring, RegularBack in compliance
  10. 2020-01-01Heptachlor ×2Monitoring, RegularBack in compliance
  11. 2020-01-01Lasso ×2Monitoring, RegularBack in compliance
  12. 2020-01-01Atrazine ×2Monitoring, RegularBack in compliance
  13. 2020-01-01Carbofuran ×2Monitoring, RegularBack in compliance
  14. 2020-01-01Hexachlorocyclopentadiene ×2Monitoring, RegularBack in compliance
  15. 2020-01-01Di(2-ethylhexyl) phthalate ×2Monitoring, RegularBack in compliance
  16. 2020-01-01Simazine ×2Monitoring, RegularBack in compliance
  17. 2020-01-01Oxamyl ×2Monitoring, RegularBack in compliance
  18. 2020-01-01Di(2-ethylhexyl) adipate ×2Monitoring, RegularBack in compliance
  19. 2020-01-01Glyphosate ×2Monitoring, RegularBack in compliance
  20. 2020-01-01Endothall ×2Monitoring, RegularBack in compliance
  21. 2020-01-01Diquat ×2Monitoring, RegularBack in compliance
  22. 2020-01-01Toxaphene ×2Monitoring, RegularBack in compliance
  23. 2020-01-01Methoxychlor ×2Monitoring, RegularBack in compliance
  24. 2020-01-01Bhc-Gamma ×2Monitoring, RegularBack in compliance
  25. 2020-01-01Endrin ×2Monitoring, RegularBack in compliance
Show the other 97 entries
  1. 2019-06-01Revised Total Coliform RuleMONBack in compliance
  2. 2019-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  3. 2019-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  4. 2018-11-01Revised Total Coliform RuleMONBack in compliance
  5. 2018-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  6. 2018-09-01Revised Total Coliform RuleMONBack in compliance
  7. 2018-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  8. 2018-06-01Revised Total Coliform RuleMONBack in compliance
  9. 2017-11-01Revised Total Coliform RuleMONBack in compliance
  10. 2017-10-01Revised Total Coliform RuleMONBack in compliance
  11. 2017-09-01Revised Total Coliform RuleMONBack in compliance
  12. 2017-08-01Revised Total Coliform RuleMONBack in compliance
  13. 2017-07-01Revised Total Coliform RuleMONBack in compliance
  14. 2017-06-01Revised Total Coliform RuleMONBack in compliance
  15. 2017-05-01Revised Total Coliform RuleMONBack in compliance
  16. 2017-04-01Revised Total Coliform RuleMONBack in compliance
  17. 2017-03-01Revised Total Coliform RuleMONBack in compliance
  18. 2017-02-01Revised Total Coliform RuleMONBack in compliance
  19. 2017-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  20. 2017-01-01Revised Total Coliform RuleMONBack in compliance
  21. 2016-12-01Revised Total Coliform RuleMONBack in compliance
  22. 2016-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  23. 2016-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  24. 2016-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  25. 2016-04-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  26. 2016-04-01Revised Total Coliform RuleOtherBack in compliance
  27. 2016-02-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  28. 2016-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  29. 2016-01-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  30. 2015-12-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  31. 2015-10-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  32. 2015-10-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  33. 2015-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  34. 2015-09-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  35. 2015-08-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  36. 2015-07-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  37. 2015-07-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  38. 2015-07-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  39. 2015-04-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  40. 2015-04-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  41. 2015-02-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  42. 2015-01-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  43. 2015-01-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  44. 2015-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  45. 2015-01-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  46. 2014-12-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  47. 2014-10-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  48. 2014-10-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  49. 2014-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  50. 2014-07-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  51. 2014-07-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Back in compliance
  52. 2014-07-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Back in compliance
  53. 2014-04-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  54. 2014-04-012, 3, 7, 8-Tcdd ×2Monitoring, RegularBack in compliance
  55. 2014-01-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  56. 2014-01-012, 3, 7, 8-TcddMonitoring, RegularBack in compliance
  57. 2012-07-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  58. 2012-07-012, 3, 7, 8-Tcdd ×2Monitoring, RegularBack in compliance
  59. 2012-04-01ChlordaneMonitoring, RegularBack in compliance
  60. 2012-04-01Ethylene DibromideMonitoring, RegularBack in compliance
  61. 2012-04-011, 2-Dibromo-3-ChloropropaneMonitoring, RegularBack in compliance
  62. 2012-04-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  63. 2012-04-01PentachlorophenolMonitoring, RegularBack in compliance
  64. 2012-04-01Benzo(a)pyreneMonitoring, RegularBack in compliance
  65. 2012-04-01HexachlorobenzeneMonitoring, RegularBack in compliance
  66. 2012-04-012, 4, 5-TpMonitoring, RegularBack in compliance
  67. 2012-04-012, 4-DMonitoring, RegularBack in compliance
  68. 2012-04-01Heptachlor epoxideMonitoring, RegularBack in compliance
  69. 2012-04-01HeptachlorMonitoring, RegularBack in compliance
  70. 2012-04-012, 3, 7, 8-Tcdd ×2Monitoring, RegularBack in compliance
  71. 2012-04-01LassoMonitoring, RegularBack in compliance
  72. 2012-04-01AtrazineMonitoring, RegularBack in compliance
  73. 2012-04-01CarbofuranMonitoring, RegularBack in compliance
  74. 2012-04-01HexachlorocyclopentadieneMonitoring, RegularBack in compliance
  75. 2012-04-01DinosebMonitoring, RegularBack in compliance
  76. 2012-04-01PicloramMonitoring, RegularBack in compliance
  77. 2012-04-01Di(2-ethylhexyl) phthalateMonitoring, RegularBack in compliance
  78. 2012-04-01SimazineMonitoring, RegularBack in compliance
  79. 2012-04-01OxamylMonitoring, RegularBack in compliance
  80. 2012-04-01Di(2-ethylhexyl) adipateMonitoring, RegularBack in compliance
  81. 2012-04-01GlyphosateMonitoring, RegularBack in compliance
  82. 2012-04-01EndothallMonitoring, RegularBack in compliance
  83. 2012-04-01DiquatMonitoring, RegularBack in compliance
  84. 2012-04-01DalaponMonitoring, RegularBack in compliance
  85. 2012-04-01ToxapheneMonitoring, RegularBack in compliance
  86. 2012-04-01MethoxychlorMonitoring, RegularBack in compliance
  87. 2012-04-01Bhc-GammaMonitoring, RegularBack in compliance
  88. 2012-04-01EndrinMonitoring, RegularBack in compliance
  89. 2012-02-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  90. 2012-01-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  91. 2012-01-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  92. 2011-12-01Coliform (TCR)Monitoring, Routine Minor (TCR)Back in compliance
  93. 2011-10-01Total Polychlorinated Biphenyls (PCB) ×2Monitoring, RegularBack in compliance
  94. 2011-10-012, 3, 7, 8-Tcdd ×2Monitoring, RegularBack in compliance
  95. 2011-10-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  96. 2011-04-01ChlorineMonitoring and Reporting (DBP)Back in compliance
  97. 2007-07-01Lead and Copper RuleInitial Tap Sampling for Pb and CuBack in compliance

System details

Population served4,000
Service connections500
Water sourceGroundwater
System typeNon-Transient Non-Community
OwnerPrivate
StatusActive
CityElysburg
EPA ZIP on file17824

Areas served

  • Columbia County

Reading this record

Knoebels Grove Park is a non-transient non-community that draws from groundwater and serves about 4,000 people in Elysburg, Pennsylvania. 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.