SHELTER ISLAND LIBRARY
PWS ID: NY5130235 · SHELTER ISLAND, New York 11964
Population Served
258
Total Violations
2
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Local
- Connections
- 3
- County
- Suffolk
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 0
- Treatment Tech Violations
- 0
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.