PFAS in Santa Ana, CA Drinking Water
PFAS data for Santa Ana, California · 310,539 residents · 12 ZIP codes
Across the water systems that serve Santa Ana, California, PFAS has appeared in EPA compliance samples — standard municipal treatment targets this contaminant, though detections in the compliance record indicate it has reached household taps at measurable levels.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Santa Ana Tap Water
PFAS has been detected in Santa Ana, California drinking water at a maximum level of 0.0177 ppt — below the EPA MCL of 4 ppt (PFOA/PFOS individually).
This analysis covers 310,539 residents across 12 ZIP codes in Santa Ana.
Santa Ana's overall water quality grade is B (84/100).
Is PFAS in Santa Ana 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 |
|---|---|---|---|
| 92705 | 99 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92701 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92702 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92703 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92704 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92706 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92707 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92711 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92712 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92735 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92799 | 33 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
Average pfas level across Santa Ana: 39 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 Santa Ana 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.