John Jay Senior High School
PWSID: NY5907700
System Details
| Population Served | 1,425 |
| Service Connections | 11 |
| Water Source | Groundwater |
| System Type | Non-Transient Non-Community |
| Owner | Local Government |
| Status | Active |
| City | Katonah |
| Zip Code | 10536 |
| Note | School or Daycare |
Areas Served
- Lewisboro (t), Westchester County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0080 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0040 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0038 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
Violation History (59 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2024-01-01 | Major | Returned to Compliance |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Acknowledged |
| | 2024-01-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2023-07-01 | Major | Acknowledged |
| | 2023-07-01 | Major | Returned to Compliance |
| | 2020-01-24 | | Returned to Compliance |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Acknowledged |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
| | 2017-01-01 | Major | Returned to Compliance |
Showing 50 of 59 historical violations.