CLAY RWS/SOUTH UNION
South Dakota — Community Water System — PWSID: SD4602185
System Information
| PWSID | SD4602185 |
| System Name | CLAY RWS/SOUTH UNION |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 8, 1999 |
| Last Reported | Mar 2, 2026 |
Location & Contact
| State | South Dakota |
| City | WAKONDA |
| ZIP Code | 57073 |
| Address | 30376 SD HWY 19 |
| Organization | CLAY RWS/SOUTH UNION |
| Phone | 6052672088 |
Population & Service
| Population Served | 1,447 |
| Service Connections | 579 |
Drinking Water Violations (331)
This water system has 331 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.00005 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.02 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0005 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.04 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Jun 30, 2004 | — | |
| Apr 1, 2004 | Jun 30, 2004 | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Jun 30, 2004 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.