YANKTON
Community Water System · South Dakota · YANKTON
PWSID: SD4600423
Compliant
Population Served
15.4K
Service Connections
5.5K
Total Violations
91
Health-Based Violations
60
Lead & Copper Data
Lead Level
Safe0.00 ppb
Action Level: 15 ppb (EPA) · Sampled: 2024-12-31
015 ppb action level
Copper Level
No copper sampling data available
System Details
- Water Source
- Groundwater
- System Type
- Community Water System
- City
- YANKTON
- ZIP Code
- 57078
- Counties Served
- Yankton
- Cities Served
- YANKTON
- Open Violations
- 0
- State
- South Dakota
Violation Summary
91
Total Violations
60
Health-Based
0
Open Now
Most recent violation: 2020-01-01
Explore South Dakota Water Quality
See all water systems, lead data, and violation trends for South Dakota.
Data source: EPA ECHO SDWIS Bulk Download (Jan 2026). PWSID: SD4600423.SafeWater Home