RICHLAND CITY OF
PWSID: WA5372250 · Richland, WA · Serving 106,248 people
Type: CWSOwner: LSource: SW
Settlement eligible
Settlement details
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Upgrade to ProExceeds MCL
One or more PFAS compounds exceed EPA Maximum Contaminant Levels. Corrective action required by 2031.
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
17 ppt
Highest single detection
2023-09-06
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 290 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFMBA | ND | — | Below MRL | 2023-03-27 |
| NMeFOSAA | ND | — | Below MRL | 2023-03-13 |
| NEtFOSAA | ND | — | Below MRL | 2023-03-13 |
| 9Cl-PF3ONS | ND | — | Below MRL | 2023-03-13 |
| 11Cl-PF3OUdS | ND | — | Below MRL | 2023-03-13 |
Violation history(2 violations, 2 open)
Monitoring & Reporting - PFNA(PFNA)
2019-04-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2019-04-01 · Open · Tier 3
Violation details
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