Public water system record
Clay RWS/South Union
Serves an area of Union County, SD that includes North Sioux City · 1,447 people served
Federal records show no health-based violations and no monitoring or reporting issues for Clay RWS/South Union in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Clay RWS/South Union draws water from 2 wells.
- Record on file since 1998, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 563 service lines.
Check whether Clay RWS/South Union serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Full record since 1998
EPA's records for Clay RWS/South Union go back to 1998. Before October 19, 2016 they list no health-based violations and 157 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 75 |
| 2000s | 0 | 82 |
Where the water comes from
Clay RWS/South Union draws water from 2 wells.
Annual water quality report
Clay RWS/South Union must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by South Dakota.
Certified drinking water labs by state EPA guidance for private wells