#22
Tier 3 — Caution Advised

Deer Park

High Microplastic Risk
4.8/10

Expert Summary

Budget-friendly Mid-Atlantic spring water that provides basic hydration with a flat performance profile.

How This Score Was Calculated

The PHI Score for Deer Park (4.8/10) 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

Read full methodology

Frequently Asked Questions

Is Deer Park a good bottled water?

Deer Park is ranked #22 of 50 with a score of 4.8/10. Exercise caution — Budget-friendly Mid-Atlantic spring water that provides basic hydration with a flat performance profile.

How was Deer Park ranked on BestBottledWater.org?

Deer Park received a PHI Score of 4.8/10 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 #22 out of 50 brands evaluated in the 2026 annual index.

Does Deer Park have microplastics?

Yes. Deer Park 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.

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