Community Water System · PWSID NY5503396

Rosendale Plains Homeowners

Serves 140 peopleGroundwaterOwner: PrivateTillson, New York
1 open treatment violation.

Open for: Lead service line inventory. 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 1994: 95 violations. 1 treatment lapse · 71 missed or late tests · 23 notices or reports. Most recent began 2024-10-17.

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 lapse1 open
71Missed or late test
23Notice or report1 open

More violations on record than 97% of active water systems in New York. Small systems with no staff chemist often rack up missed-test violations; big utilities rarely do.

The record, year by year

1994 · Missed or late test: 11995200020052008 · Missed or late test: 120102012 · Missed or late test: 120152016 · Missed or late test: 12018 · Missed or late test: 12019 · Missed or late test: 12019 · Notice or report: 12020 · Missed or late test: 12020 · Notice or report: 120202021 · Missed or late test: 22021 · Notice or report: 12022 · Missed or late test: 72022 · Missed or late test: 72022 · Notice or report: 22023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Missed or late test: 472023 · Notice or report: 72023 · Notice or report: 72024 · Treatment lapse: 12024 · Missed or late test: 82024 · Missed or late test: 82024 · Notice or report: 112024 · Notice or report: 112024 · Notice or report: 112025
One square ≈ 5 violations (rounded up), by the year they began. Empty columns are years with nothing on EPA's record.
1% treatment lapse · 175% missed or late test · 7124% notice or report · 23

Across New York, 67% of violations are missed or late tests and 3% 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

10.5 ppb
0.88 ppb
0 ppb

Open now (2)

  1. 2024-10-17Lead service line inventoryRPTOpen
  2. 2024-10-17Lead service line inventoryTTOpen

Every violation on record

  1. 2024-10-17Lead service line inventoryRPTOpen
  2. 2024-10-17Lead service line inventoryTTOpen
  3. 2024-10-01Revised Total Coliform RuleMONBack in compliance
  4. 2024-10-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  5. 2024-09-01Revised Total Coliform RuleMONBack in compliance
  6. 2024-09-01Unknown contaminantOperations ReportBack in compliance
  7. 2024-08-01Revised Total Coliform RuleMONBack in compliance
  8. 2024-08-01Unknown contaminantOperations ReportBack in compliance
  9. 2024-07-01Revised Total Coliform RuleMONBack in compliance
  10. 2024-07-01Unknown contaminantOperations ReportBack in compliance
  11. 2024-06-01Revised Total Coliform RuleMONBack in compliance
  12. 2024-06-01Unknown contaminantOperations ReportBack in compliance
  13. 2024-05-01Revised Total Coliform RuleMONBack in compliance
  14. 2024-05-01Unknown contaminantOperations ReportBack in compliance
  15. 2024-04-01Revised Total Coliform RuleMONBack in compliance
  16. 2024-04-01Unknown contaminantOperations ReportBack in compliance
  17. 2024-03-01Revised Total Coliform RuleMONBack in compliance
  18. 2024-03-01Unknown contaminantOperations ReportBack in compliance
  19. 2024-02-01Unknown contaminantOperations ReportBack in compliance
  20. 2024-01-01Unknown contaminantOperations ReportBack in compliance
  21. 2023-12-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  22. 2023-12-01Revised Total Coliform RuleMONBack in compliance
  23. 2023-11-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  24. 2023-10-01Revised Total Coliform RuleMONBack in compliance
  25. 2023-10-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
Show the other 70 entries
  1. 2023-09-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  2. 2023-08-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  3. 2023-08-01Revised Total Coliform RuleMONBack in compliance
  4. 2023-07-01Unknown contaminantOperations ReportPeriod ended · no return to compliance on file
  5. 2023-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  6. 2023-01-01ChlordaneMonitoring, RegularBack in compliance
  7. 2023-01-01Ethylene DibromideMonitoring, RegularBack in compliance
  8. 2023-01-01MetribuzinMonitoring, RegularBack in compliance
  9. 2023-01-01DicambaMonitoring, RegularBack in compliance
  10. 2023-01-01Total Polychlorinated Biphenyls (PCB)Monitoring, RegularBack in compliance
  11. 2023-01-01AldrinMonitoring, RegularBack in compliance
  12. 2023-01-01PentachlorophenolMonitoring, RegularBack in compliance
  13. 2023-01-01Benzo(a)pyreneMonitoring, RegularBack in compliance
  14. 2023-01-01HexachlorobenzeneMonitoring, RegularBack in compliance
  15. 2023-01-012, 4, 5-TpMonitoring, RegularBack in compliance
  16. 2023-01-012, 4-DMonitoring, RegularBack in compliance
  17. 2023-01-01PropachlorMonitoring, RegularBack in compliance
  18. 2023-01-01ButachlorMonitoring, RegularBack in compliance
  19. 2023-01-01DieldrinMonitoring, RegularBack in compliance
  20. 2023-01-01Heptachlor epoxideMonitoring, RegularBack in compliance
  21. 2023-01-013-HydroxycarbofuranMonitoring, RegularBack in compliance
  22. 2023-01-01HeptachlorMonitoring, RegularBack in compliance
  23. 2023-01-01LassoMonitoring, RegularBack in compliance
  24. 2023-01-01AtrazineMonitoring, RegularBack in compliance
  25. 2023-01-01AldicarbMonitoring, RegularBack in compliance
  26. 2023-01-01CarbofuranMonitoring, RegularBack in compliance
  27. 2023-01-01MetolachlorMonitoring, RegularBack in compliance
  28. 2023-01-01Aldicarb sulfoneMonitoring, RegularBack in compliance
  29. 2023-01-01Aldicarb sulfoxideMonitoring, RegularBack in compliance
  30. 2023-01-01HexachlorocyclopentadieneMonitoring, RegularBack in compliance
  31. 2023-01-01DinosebMonitoring, RegularBack in compliance
  32. 2023-01-01PicloramMonitoring, RegularBack in compliance
  33. 2023-01-01Di(2-ethylhexyl) phthalateMonitoring, RegularBack in compliance
  34. 2023-01-01SimazineMonitoring, RegularBack in compliance
  35. 2023-01-01OxamylMonitoring, RegularBack in compliance
  36. 2023-01-01Di(2-ethylhexyl) adipateMonitoring, RegularBack in compliance
  37. 2023-01-01DalaponMonitoring, RegularBack in compliance
  38. 2023-01-01MethomylMonitoring, RegularBack in compliance
  39. 2023-01-01CarbarylMonitoring, RegularBack in compliance
  40. 2023-01-01ToxapheneMonitoring, RegularBack in compliance
  41. 2023-01-01MethoxychlorMonitoring, RegularBack in compliance
  42. 2023-01-01Bhc-GammaMonitoring, RegularBack in compliance
  43. 2023-01-01EndrinMonitoring, RegularBack in compliance
  44. 2023-01-012806Monitoring, RegularBack in compliance
  45. 2023-01-012805Monitoring, RegularBack in compliance
  46. 2023-01-011,4-DioxaneMonitoring, RegularBack in compliance
  47. 2023-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  48. 2023-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  49. 2023-01-01NitrateMonitoring, RegularBack in compliance
  50. 2022-12-01Unknown contaminantOperations ReportBack in compliance
  51. 2022-11-01Revised Total Coliform RuleMONBack in compliance
  52. 2022-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  53. 2022-01-01Total Haloacetic Acids (HAA5)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  54. 2022-01-01Trihalomethanes (TTHM)Monitoring and Reporting (DBP)Period ended · no return to compliance on file
  55. 2022-01-012806Monitoring, RegularBack in compliance
  56. 2022-01-012805Monitoring, RegularBack in compliance
  57. 2022-01-011,4-DioxaneMonitoring, RegularPeriod ended · no return to compliance on file
  58. 2022-01-01NitrateMonitoring, RegularPeriod ended · no return to compliance on file
  59. 2021-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  60. 2021-04-01Revised Total Coliform RuleMONBack in compliance
  61. 2021-01-011,4-DioxaneMonitoring, RegularBack in compliance
  62. 2020-07-01Consumer Confidence RuleCCR Complete Failure to ReportBack in compliance
  63. 2020-01-01NitrateMonitoring, RegularBack in compliance
  64. 2019-11-01Revised Total Coliform RuleMONBack in compliance
  65. 2019-07-01Unknown contaminantOperations ReportBack in compliance
  66. 2018-08-01Revised Total Coliform RuleMONBack in compliance
  67. 2016-09-01Revised Total Coliform RuleMONBack in compliance
  68. 2012-10-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  69. 2008-01-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance
  70. 1994-07-01Lead and Copper RuleFollow-up Or Routine LCR Tap M/RBack in compliance

System details

Population served140
Service connections44
Water sourceGroundwater
System typeCommunity Water System
OwnerPrivate
StatusActive
CityTillson
EPA ZIP on file12486

Areas served

  • Ulster County

Reading this record

Rosendale Plains Homeowners is a community water system that draws from groundwater and serves about 140 people in Tillson, New York. 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.