Dering Harbor Water District
PWSID: NY5103700
System Details
| Population Served | 14 |
| Service Connections | 37 |
| Water Source | Groundwater |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Shelter Island Heights |
| Zip Code | 11965 |
Areas Served
- Shelter Island (t), Suffolk County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|
| Lead (90th percentile) | 0.0091 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) | 0.0016 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) | 0.0011 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0011 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0010 mg/L | 0.015 mg/L | Below Action Level |
Violation History (6 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|
| | 2017-01-01 | Yes | Returned to Compliance |
| | 2017-01-01 | Yes | Returned to Compliance |
| | 2016-01-01 | Yes | Returned to Compliance |
| | 2016-01-01 | Yes | Returned to Compliance |
| | 2008-07-01 | | Returned to Compliance |
| | 1999-10-19 | | Returned to Compliance |