Suffolk County Water Authority
PWSID: NY5110526
System Details
| Population Served | 1,100,000 |
| Service Connections | 336,418 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Hauppauge |
| Zip Code | 11788 |
Areas Served
- Babylon (t),brookhaven (t),east Hampton (t),huntington (t),islip (t),riverhead (t),smithtown (t),southampton (t),southold (t), Suffolk County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0023 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0022 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0015 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0014 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0013 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0013 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0012 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0009 mg/L | 0.015 mg/L | Below Action Level |
Violation History (12 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2025-01-01 | | Acknowledged |
| | 2024-11-01 | | Acknowledged |
| | 2022-07-01 | | Returned to Compliance |
| | 2022-07-01 | | Acknowledged |
| | 2022-07-01 | | Returned to Compliance |
| | 2020-07-21 | Yes | Returned to Compliance |
| | 2020-07-01 | Yes | Returned to Compliance |
| | 2018-08-01 | | Returned to Compliance |
| | 2018-07-01 | | Returned to Compliance |
| | 2018-01-01 | Yes | Returned to Compliance |
| | 2018-01-01 | | Returned to Compliance |
| | 2017-01-01 | | Acknowledged |