Population Served
25.7K
Service Connections
9.8K
Total Violations
100
Health-Based Violations
10
Lead & Copper Data
Lead Level
Caution2.70 ppb
Action Level: 15 ppb (EPA) · Sampled: 2023-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- ST. JOHN
- ZIP Code
- 46373
- Counties Served
- Lake
- Cities Served
- ST. JOHN
- Open Violations
- 0
- State
- Indiana
Violation Summary
100
Total Violations
10
Health-Based
0
Open Now
Most recent violation: 2007-06-01
Explore Indiana Water Quality
See all water systems, lead data, and violation trends for Indiana.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: IN5245043.SafeWater Home