Marilyn A Noonan School at Durham

PWSID: NY1902600

No active violations
This system has no unresolved violations. The most recent violation on record was 2024-01-01.

This system has more violations on record than 88% of water systems in New York.

Violation trend: 8.0 per year over the last 5 years, up from 2.0 per year in the previous 5.

System Details

Population Served75
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerPublic/Private
StatusActive
CityCastleton
EPA ZIP on File12033
NoteSchool or Daycare

Areas Served

  • Greene County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0220 mg/L0.015 mg/LExceeds Action Level
Lead (90th percentile)0.0140 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0115 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0026 mg/L0.015 mg/LBelow Action Level

Violation History (50 total)

ContaminantViolationDateHealth-BasedStatus
1040MR2024-01-01 MajorReturned to Compliance
1040MR2024-01-01 MajorAcknowledged
1040MR2024-01-01 MajorReturned to Compliance
8000MON2023-09-01 MajorReturned to Compliance
8000MON2023-09-01 MajorAcknowledged
8000MON2023-09-01 MajorReturned to Compliance
Unknown ContaminantOther2023-09-01Returned to Compliance
Unknown ContaminantOther2023-09-01Acknowledged
Unknown ContaminantOther2023-09-01Returned to Compliance
Unknown ContaminantOther2023-08-01Returned to Compliance
Unknown ContaminantOther2023-08-01Acknowledged
Unknown ContaminantOther2023-08-01Returned to Compliance
Unknown ContaminantOther2023-07-01Returned to Compliance
Unknown ContaminantOther2023-07-01Acknowledged
Unknown ContaminantOther2023-07-01Returned to Compliance
Unknown ContaminantOther2023-06-01Returned to Compliance
Unknown ContaminantOther2023-06-01Returned to Compliance
Unknown ContaminantOther2022-12-01Acknowledged
Unknown ContaminantOther2022-12-01Returned to Compliance
Unknown ContaminantOther2022-12-01Returned to Compliance
Unknown ContaminantOther2022-11-01Acknowledged
Unknown ContaminantOther2022-11-01Returned to Compliance
Unknown ContaminantOther2022-11-01Returned to Compliance
Unknown ContaminantOther2022-10-01Acknowledged
Unknown ContaminantOther2022-10-01Returned to Compliance
Unknown ContaminantOther2022-10-01Returned to Compliance
Unknown ContaminantOther2021-12-01Returned to Compliance
Unknown ContaminantOther2021-12-01Returned to Compliance
Unknown ContaminantOther2021-11-01Returned to Compliance
Unknown ContaminantOther2021-11-01Returned to Compliance
Unknown ContaminantOther2021-10-01Returned to Compliance
Unknown ContaminantOther2021-10-01Returned to Compliance
Unknown ContaminantOther2021-09-01Returned to Compliance
Unknown ContaminantOther2021-09-01Returned to Compliance
Unknown ContaminantOther2021-08-01Returned to Compliance
Unknown ContaminantOther2021-08-01Returned to Compliance
8000MON2021-08-01 MajorReturned to Compliance
8000MON2021-08-01 MajorReturned to Compliance
Unknown ContaminantOther2021-07-01Returned to Compliance
Unknown ContaminantOther2021-07-01Returned to Compliance
Unknown ContaminantOther2021-03-01Returned to Compliance
Unknown ContaminantOther2021-03-01Returned to Compliance
Unknown ContaminantOther2021-02-01Returned to Compliance
Unknown ContaminantOther2021-02-01Returned to Compliance
Unknown ContaminantOther2018-09-01Acknowledged
Unknown ContaminantOther2018-09-01Acknowledged
Unknown ContaminantOther2018-08-01Acknowledged
Unknown ContaminantOther2018-08-01Acknowledged
8000MON2017-06-01 MajorReturned to Compliance
8000MON2017-06-01 MajorReturned to Compliance

Understanding This Water System's Record

Marilyn A Noonan School at Durham is a non-transient non-community water system that draws from groundwater sources and serves a population of 75 in Castleton, New York. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.