SUNNYSIDE CITY OF
PWSID: WA5385400 · Sunnyside, WA · Serving 17,037 people
Type: CWSOwner: LSource: 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
14 ppt
Highest single detection
2025-08-27
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 174 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 11Cl-PF3OUdS | ND | — | Below MRL | 2025-08-27 |
| PFPeS | ND | — | Below MRL | 2025-08-27 |
| NFDHA | ND | — | Below MRL | 2025-08-27 |
| PFEESA | ND | — | Below MRL | 2025-08-27 |
| PFMBA | ND | — | Below MRL | 2025-08-27 |
Violation history(4 violations, 4 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 - PFHxA(PFHxA)
2014-01-01 · Open · Tier 3
Violation details
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