Population Served
12.8K
Service Connections
5.4K
Total Violations
251
Health-Based Violations
29
Lead & Copper Data
Lead Level
Caution1.30 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
- Groundwater Under Influence of SW
- System Type
- Community Water System
- City
- OSKALOOSA
- ZIP Code
- 52577
- Counties Served
- Mahaska
- Cities Served
- OSKALOOSA
- Open Violations
- 0
- State
- Iowa
Violation Summary
251
Total Violations
29
Health-Based
0
Open Now
Most recent violation: 2024-01-01
Explore Iowa Water Quality
See all water systems, lead data, and violation trends for Iowa.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: IA6273005.SafeWater Home