Sioux Rural Water System
SD4600866 · Groundwater · 4,280 people served system-wide
EPA SDWIS explicitly lists this ZIP in the system's served geography.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (1)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.004 mg/L
- Action level
- 0.015 mg/L
27% of the listed benchmark
Monitoring period: Jan 1, 2025 to Dec 31, 2025
Violation history (3)
| Rule | Status | Period |
|---|---|---|
| Gross Alpha, Excl. Radon and U | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Combined Uranium | Resolved | Jan 1, 2022 to Dec 31, 2022 |
| Combined Radium (-226 and -228) | Resolved | Jan 1, 2022 to Dec 31, 2022 |