CITY OF SUNNYVALE
PWSID: CA4310014 · SUNNYVALE, CA · Serving 157,566 people
Type: CWSOwner: LSource: SW
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
2024-07-29
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 580 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| 9Cl-PF3ONS | ND | — | Below MRL | 2024-04-10 |
| PFHpA | ND | — | Below MRL | 2024-04-10 |
| PFHxS | ND | 10 | Below MRL | 2024-04-10 |
| PFOS | ND | 4 | Below MRL | 2024-04-10 |
| PFDA | ND | — | Below MRL | 2024-04-10 |
Violation history(7 violations, all resolved)
Monitoring & Reporting - PFOA(PFOA)
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFOS(PFOS)
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2015-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxA
Violation details
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