Population Served
69.5K
Service Connections
27.4K
Total Violations
67
Health-Based Violations
12
Lead & Copper Data
Lead Level
Caution1.80 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
- System Type
- Community Water System
- City
- WATERLOO
- ZIP Code
- 50704-0027
- Counties Served
- Black Hawk
- Cities Served
- WATERLOO
- Open Violations
- 0
- State
- Iowa
Violation Summary
67
Total Violations
12
Health-Based
0
Open Now
Most recent violation: 2015-11-01
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: IA0790074.SafeWater Home