UNIVERSITY OF ARIZONA
PWSID: AZ0420423 · TUCSON, AZ · Serving 50,000 people
Type: NTNCWSOwner: SSource: 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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190 ppt
Highest single detection
2024-05-09
Latest sample date
All PFAS detection results
Source: EPA UCMR5 (UCMR5) · 406 compounds tested
| Contaminant | Result (ppt) | MCL (ppt) | Status | Sample date |
|---|
| PFPeS | ND | — | Below MRL | 2024-11-21 |
| NFDHA | ND | — | Below MRL | 2024-11-21 |
| PFMBA | ND | — | Below MRL | 2024-11-21 |
| PFPeA | ND | — | Below MRL | 2024-11-21 |
| PFMPA | ND | — | Below MRL | 2024-11-21 |
Violation history(9 violations, all resolved)
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2017-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2016-10-01 · Resolved · Tier 3
Monitoring & Reporting - PFHxS(PFHxS)
2013-01-01 · Resolved · Tier 3
Monitoring & Reporting - HFPO-DA (GenX)(HFPO-DA (GenX))
2013-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFBS(PFBS)
2013-01-01 · Resolved · Tier 3
Monitoring & Reporting - PFNA(PFNA)
2013-01-01 · Resolved · Tier 3
Violation details
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