Mattawa City of
PWSID: WA5352000 · Mattawa, WA · Serving 5,015 people
Type: CWSOwner: LSource: GW
Settlement eligible
Settlement details
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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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14 ppt
Highest single detection
2024-08-29
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 58 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFTA | ND | — | Below MRL | 2024-03-05 |
| NMeFOSAA | ND | — | Below MRL | 2024-03-05 |
| PFTrDA | ND | — | Below MRL | 2024-03-05 |
| NEtFOSAA | ND | — | Below MRL | 2024-03-05 |
| PFBA | ND | — | Below MRL | 2024-03-05 |
Violation history(6 violations, 6 open)
Monitoring & Reporting - PFOA(PFOA)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2014-01-01 · Open · Tier 3
Monitoring & Reporting - PFHxA(PFHxA)
2014-01-01 · Open · Tier 3
Violation details
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