Population Served
14.0K
Service Connections
4.5K
Total Violations
4
Health-Based Violations
4
Lead & Copper Data
Lead Level
Caution1.10 ppb
Action Level: 15 ppb (EPA) · Sampled: 2025-12-31
015 ppb action level
Copper Level
1800 ppb
Action Level: 1,300 ppb (EPA) · Sampled: 2001-12-31
Copper action level exceeded
System Details
- Water Source
- Purchased GW Under Influence of SW
- System Type
- Community Water System
- City
- SOUTH SIOUX CITY
- ZIP Code
- 68776
- Counties Served
- Dakota
- Cities Served
- SOUTH SIOUX CITY
- Open Violations
- 0
- State
- Nebraska
Violation Summary
4
Total Violations
4
Health-Based
0
Open Now
Most recent violation: 2000-08-01
Explore Nebraska Water Quality
See all water systems, lead data, and violation trends for Nebraska.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: NE3104309.SafeWater Home