Population Served
41.0K
Service Connections
11.6K
Total Violations
49
Health-Based Violations
2
Lead & Copper Data
Lead Level
Caution4.28 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
- MOUNT PROSPECT
- ZIP Code
- 60056
- Counties Served
- Cook
- Cities Served
- MOUNT PROSPECT
- Open Violations
- 0
- State
- Illinois
Violation Summary
49
Total Violations
2
Health-Based
0
Open Now
Most recent violation: 2025-07-01
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: IL0311980.SafeWater Home