Population Served
220.0K
Service Connections
74.6K
Total Violations
19
Health-Based Violations
15
Lead & Copper Data
Lead Level
Caution4.20 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-06-30
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- MERRICK
- ZIP Code
- 11566
- Counties Served
- Nassau
- Cities Served
- HEMPSTEAD (T), LYNBROOK (V)
- Open Violations
- 0
- State
- New York
Violation Summary
19
Total Violations
15
Health-Based
0
Open Now
Most recent violation: 2024-07-01
Explore New York Water Quality
See all water systems, lead data, and violation trends for New York.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: NY2902835.SafeWater Home