PFAS in Tucson, AZ Drinking Water
PFAS data for Tucson, Arizona · 916,333 residents · 54 ZIP codes
ZipCheckup's reading of PFAS in Tucson, Arizona: the highest detected level is 0.023 ppt; the EPA limit is 4 ppt (PFOA/PFOS individually). PFAS carries a high health-risk designation.
PFAS exposure in drinking water is tracked by EPA across the country; households in Tucson, Arizona are among those with confirmed detections in the public water record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-07-13
PFAS in Tucson Tap Water
PFAS has been detected in Tucson, Arizona drinking water at a maximum level of 0.023 detections — relative to the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 916,333 residents across 54 ZIP codes in Tucson.
Tucson's overall water quality grade is D (53/100).
Is PFAS in Tucson Water Safe?
If you live in an affected ZIP code, consider installing a reverse osmosis or granular activated carbon filter certified under NSF 53 / NSF 58 and testing your water independently.
PFAS Levels by ZIP Code
| ZIP Code | PFAS Level | EPA Limit | Status |
|---|---|---|---|
| 85705 | 16 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85743 | 12 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85719 | 11 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85741 | 11 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85742 | 11 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85704 | 7 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85737 | 6 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85739 | 4 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85701 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85706 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85707 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85710 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85711 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85712 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85713 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85714 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85715 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85716 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85718 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85730 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85735 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85736 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85745 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85746 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| 85747 | 1 detections | 4 ppt (PFOA/PFOS individually) | Not comparable |
| ...6 more ZIP codes |
Average pfas level across Tucson: 3.26 ppt
Health Effects of PFAS
- Increased risk of kidney and testicular cancer
- Thyroid disease and immune system suppression
- Reproductive problems and reduced fertility
- Elevated cholesterol and liver effects
- Developmental effects in infants and children
Health risk severity: High. Governed by the PFAS National Primary Drinking Water Regulation (2024).
How PFAS Gets Into Drinking Water
- Firefighting foam (AFFF) used at military bases and airports
- Industrial manufacturing (non-stick coatings, stain-resistant fabrics)
- Wastewater treatment plants that receive industrial discharge
- Landfill leachate from PFAS-containing consumer products
What to Do About PFAS in Tucson Water
- Install a reverse osmosis system (most effective — removes 90%+ of PFAS)
- Granular activated carbon (GAC) filters remove some PFAS compounds
- Look for NSF 53 or NSF 58 certification specifically tested for PFAS
- Pitcher filters with activated carbon provide partial reduction
Look for filters certified under NSF 53 / NSF 58 for pfas removal.