Population Served
59.7K
Service Connections
24.0K
Total Violations
25
Health-Based Violations
0
Lead & Copper Data
Lead Level
Caution5.00 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
- DUBUQUE
- ZIP Code
- 52001
- Counties Served
- Dubuque
- Cities Served
- DUBUQUE
- Open Violations
- 0
- State
- Iowa
Violation Summary
25
Total Violations
0
Health-Based
0
Open Now
Most recent violation: 2008-01-01
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: IA3126052.SafeWater Home