TEMPE CITY OF
PWSID: AZ0407100 · TEMPE, AZ · Serving 165,000 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
10
PFAS compounds detected
278 ppt
Highest single detection
2023-08-07
Latest sample date
complete
Data completeness
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 696 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFTA | ND | — | Below MRL | 2025-01-16 |
| PFHxS | ND | 10 | Below MRL | 2023-08-07 |
| PFNA | ND | 10 | Below MRL | 2023-08-07 |
| PFOS | ND | 4 | Below MRL | 2023-08-07 |
| PFOA | ND | 4 | Below MRL | 2023-08-07 |
Violation history(2 violations, all resolved)
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2018-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-10-01 · Resolved · Tier 3
Violation details
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