Population Served
156.4K
Service Connections
45.6K
Total Violations
5
Health-Based Violations
0
Lead & Copper Data
Lead Level
Elevated7.40 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
- Purchased Surface Water
- System Type
- Community Water System
- City
- NAPERVILLE
- ZIP Code
- 60564
- Counties Served
- DuPage
- Cities Served
- NAPERVILLE
- Open Violations
- 0
- State
- Illinois
Violation Summary
5
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2023-04-01
Explore Illinois Water Quality
See all water systems, lead data, and violation trends for Illinois.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: IL0434670.SafeWater Home