Great Value
Expert Summary
Walmart's rock-bottom commodity water representing the absolute baseline of single-use plastic waste and zero transparency.
How This Score Was Calculated
The PHI Score for Great Value (1.2/10) is a composite of four independently weighted pillars evaluated through third-party lab testing, corporate disclosure analysis, and environmental lifecycle assessments.
30%
Recovery & Performance
25%
Eco-Packaging
25%
Microplastic Testing
20%
Corporate Ethics
Frequently Asked Questions
Is Great Value a good bottled water?
No. Great Value is ranked #47 of 50 with a score of 1.2/10 and is classified as Tier 4 — Avoid Completely. Walmart's rock-bottom commodity water representing the absolute baseline of single-use plastic waste and zero transparency.
How was Great Value ranked on BestBottledWater.org?
Great Value received a PHI Score of 1.2/10 across four weighted criteria: Recovery & Performance Testing (30%), Eco-Packaging Metrics (25%), Microplastic Testing (25%), and Corporate Ethics Audit (20%). This placed it at rank #47 out of 50 brands evaluated in the 2026 annual index.
Does Great Value have microplastics?
Yes. Great Value carries a High Microplastic Risk rating from independent testing. This is commonly caused by screw-cap friction shedding (plastic particles shed each time the bottle is opened) and PET bottle wall leaching during warehouse storage and transport, especially when bottles are exposed to heat.
Is Great Value ethical?
Great Value received a failing score on our Corporate Ethics Audit. Walmart's rock-bottom commodity water representing the absolute baseline of single-use plastic waste and zero transparency.