RIVER ROCK COUNTY WATER AND SEWER DIST
PWSID: MT0004082 · BELGRADE, MT · Serving 4,200 people
Type: CWSOwner: PSource: GW
Compliant
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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N/A ppt
Highest single detection
2024-05-15
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFBS | ND | — | Below MRL | 2023-11-08 |
| PFHxA | ND | — | Below MRL | 2023-11-08 |
| PFDoA | ND | — | Below MRL | 2023-11-08 |
| PFDA | ND | — | Below MRL | 2023-11-08 |
| PFOA | ND | 4 | Below MRL | 2023-11-08 |