Population Served
10.3K
Service Connections
3.3K
Total Violations
35
Health-Based Violations
16
Lead & Copper Data
Lead Level
Elevated5.88 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
- RIVERDALE
- ZIP Code
- 60827
- Counties Served
- Cook
- Cities Served
- RIVERDALE
- Open Violations
- 0
- State
- Illinois
Violation Summary
35
Total Violations
16
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: IL0312580.SafeWater Home