PFAS in Garden Grove, CA Drinking Water
PFAS data for Garden Grove, California · 174,226 residents · 7 ZIP codes
If you rely on a public water system in Garden Grove, California, PFAS is a contaminant your utility has been required to test for — and EPA records show it has been detected at measurable levels, making it worth understanding as part of your tap water's detection record.
Data: EPA SDWIS, CCR Reports, ECHO Last verified: 2026-05-14
PFAS in Garden Grove Tap Water
PFAS has been detected in Garden Grove, California drinking water at a maximum level of 9.9 ppt — 2.48x the EPA MCL.
This analysis covers 174,226 residents across 7 ZIP codes in Garden Grove.
Garden Grove's overall water quality grade is A (93/100).
Is PFAS in Garden Grove 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 |
|---|---|---|---|
| 92843 | 67 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92841 | 64 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92840 | 34 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92842 | 34 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92844 | 34 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92845 | 34 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92846 | 34 detections | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92840 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92841 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92842 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92843 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92844 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92845 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92846 | 9.9 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92840 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92841 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92842 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92843 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92844 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92845 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92846 | 6 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92840 | 4.4 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92841 | 4.4 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92842 | 4.4 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| 92843 | 4.4 ppt | 4 ppt (PFOA/PFOS individually) | Exceeds limit |
| ...3 more ZIP codes |
Average pfas level across Garden Grove: 15.82 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 Garden Grove 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.