MIDDLESEX WATER COMPANY
Community Water System · New Jersey · ISELIN
PWSID: NJ1225001
Compliant
Population Served
233.4K
Service Connections
58.3K
Total Violations
87
Health-Based Violations
4
Lead & Copper Data
Lead Level
Safe1.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Surface Water
- System Type
- Community Water System
- City
- ISELIN
- ZIP Code
- 08830
- Counties Served
- Middlesex
- Cities Served
- WOODBRIDGE TWP.-1225
- Open Violations
- 0
- State
- New Jersey
Violation Summary
87
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2023-04-01
Explore New Jersey Water Quality
See all water systems, lead data, and violation trends for New Jersey.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: NJ1225001.SafeWater Home