CLAY RURAL WATER SYSTEM
PWSID: SD4600626 · WAKONDA, SD · Serving 4,780 people
Type: CWSOwner: PSource: GW
Settlement eligible
Settlement details
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Upgrade to ProCompliant
All PFAS compounds below EPA Maximum Contaminant Levels.
Key contaminants vs MCL
EPA MCL: 4 ppt (parts per trillion) for PFOA and PFOS individually. Compliance deadline: 2031-12-31
Exact contamination levels
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Upgrade to ProDetection summary
52.5 ppt
Highest single detection
2025-09-03
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 4:2 FTS | ND | — | Below MRL | 2025-03-03 |
| PFHxA | ND | — | Below MRL | 2025-03-03 |
| PFTA | ND | — | Below MRL | 2025-03-03 |
| PFTrDA | ND | — | Below MRL | 2025-03-03 |
| NEtFOSAA | ND | — | Below MRL | 2025-03-03 |