Sioux City Water Supply
PWSID: IA9778054
System Details
| Population Served | 85,791 |
| Service Connections | 29,424 |
| Water Source | Groundwater Under Influence |
| System Type | Community Water System |
| Owner | Local Government |
| Status | Active |
| City | Sioux City |
| Zip Code | 51103 |
Areas Served
- Sioux City, Woodbury County
Lead & Copper Testing
| Contaminant | Level | EPA Action Level | Status |
|---|---|---|---|
| Lead (90th percentile) | 0.0050 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0030 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
| Lead (90th percentile) | 0.0020 mg/L | 0.015 mg/L | Below Action Level |
Violation History (21 total)
| Contaminant | Violation | Date | Health-Based | Status |
|---|---|---|---|---|
| 2024-05-01 | Returned to Compliance | |||
| 2024-05-01 | Acknowledged | |||
| 2024-05-01 | Acknowledged | |||
| 2024-05-01 | Returned to Compliance | |||
| 2024-05-01 | Returned to Compliance | |||
| 2024-05-01 | Acknowledged | |||
| 2024-05-01 | Acknowledged | |||
| 2024-05-01 | Returned to Compliance | |||
| 2019-10-01 | Yes | Returned to Compliance | ||
| 2019-10-01 | Yes | Returned to Compliance | ||
| 2019-07-01 | Yes | Returned to Compliance | ||
| 2019-07-01 | Yes | Returned to Compliance | ||
| 2017-03-06 | Yes | Returned to Compliance | ||
| 2017-03-06 | Returned to Compliance | |||
| 2017-03-06 | Yes | Returned to Compliance | ||
| 2016-11-25 | Yes | Returned to Compliance | ||
| 2016-11-25 | Returned to Compliance | |||
| 2016-11-25 | Yes | Returned to Compliance | ||
| 2016-05-19 | Yes | Returned to Compliance | ||
| 2016-05-19 | Returned to Compliance | |||
| 2016-05-19 | Yes | Returned to Compliance |