BIG SIOUX COMMUNITY WATER SYSTEM
PWSID: SD4600429 · EGAN, SD · Serving 5,800 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
36.1 ppt
Highest single detection
2024-09-24
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 174 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFUnA | ND | — | Below MRL | 2024-04-09 |
| PFBA | ND | — | Below MRL | 2024-04-09 |
| PFHpS | ND | — | Below MRL | 2024-04-09 |
| PFBS | ND | — | Below MRL | 2024-04-09 |
| PFHpA | ND | — | Below MRL | 2024-04-09 |