The quest for the "best" bottled water is a complex one, as the ideal choice is a personal one, influenced by a blend of factors beyond just a recognizable name. While marketing and celebrity endorsements often shape consumer perception, a deeper look into the water's source, processing, mineral content, and packaging is essential for making an informed decision that aligns with your nutrition diet. This guide breaks down what you need to know to find the bottled water brand that's right for you.
Factors That Determine the Best Bottled Water
There is no single "best" bottled water brand, as taste and health benefits can be subjective. The key is to understand what contributes to a water's quality and how that meets your specific needs.
Purity and Processing
Not all bottled water is sourced from pristine springs. Many popular brands use municipal tap water that is then purified through various processes.
- Reverse Osmosis (RO): This process forces water through a semipermeable membrane, removing contaminants, impurities, and dissolved solids. It often results in a very pure but sometimes "flat" tasting water. Aquafina and Dasani are examples of brands using RO.
- Vapor Distillation: Water is boiled, and the resulting steam is collected and condensed back into liquid, leaving impurities behind. This also results in highly pure water with a very low Total Dissolved Solids (TDS) count. Smartwater is an example of a brand that uses this process.
- Filtration: Some brands, particularly those sourced from springs, may use basic filtration, carbon filters, or UV light to remove particles and microbes while retaining the natural mineral profile.
Mineral Content (TDS) and Electrolytes
Total Dissolved Solids (TDS) refers to the concentration of dissolved minerals, salts, and organic compounds in the water, measured in parts per million (ppm). This is a crucial factor influencing taste.
- Low TDS (<50 ppm): Often found in purified or distilled waters. The taste is neutral and very clean.
- Moderate TDS (50–300 ppm): A balanced mineral profile that offers a fresh, balanced taste. This range is often found in lightly mineralized spring waters.
- High TDS (>300 ppm): Common in natural mineral waters, offering a richer, more full-bodied flavor profile due to a higher concentration of minerals like calcium, magnesium, and potassium.
- Electrolytes: These are minerals that carry an electric charge and are vital for many bodily functions. While a balanced diet is the primary source of electrolytes, some bottled water brands add them to improve taste or market them for hydration. Examples include Smartwater and Essentia.
pH Level
The pH level measures how acidic or alkaline the water is. A pH of 7 is neutral, below is acidic, and above is alkaline. The pH of bottled water varies by brand and type.
- Alkaline Water (pH 8-9.5): Some brands naturally have a higher pH, while others add minerals to raise it. While some claim health benefits, scientific evidence is limited and larger studies are needed. Examples include Essentia and Icelandic Glacial.
- Neutral to Slightly Acidic (pH 6-7): Many purified waters and some spring waters fall into this range.
Packaging and Sustainability
Concern for the environment has made packaging a significant consideration.
- Plastic Bottles: The most common packaging, but raising concerns about plastic pollution and potential leaching into the water, especially if exposed to heat.
- Glass Bottles: Offers a pristine taste without any plastic contact, but is heavier to transport and more expensive. Mountain Valley is known for its glass bottles.
- Aluminum Cans: A more sustainable and recyclable alternative to plastic. Brands like Liquid Death use this packaging, but some people note a slight metallic taste.
- Cardboard Cartons: Brands like Boxed Water offer a more eco-friendly option using mostly plant-based materials.
A Comparison of Popular Bottled Water Brands
| Brand | Source & Processing | pH | Key Minerals/TDS | Packaging | Pros | Cons | 
|---|---|---|---|---|---|---|
| Evian | Natural Spring Water from French Alps | ~8.0 | Rich mineral content; high TDS (283 ppm tested) | Plastic (often recycled), Glass | Unique mineral profile; rich taste; associated with luxury | Expensive; long travel time can raise sustainability concerns | 
| Fiji | Artesian Spring Water, Fiji | Alkaline (~7.7 tested) | High silica content; TDS 131 ppm tested | Plastic | Smooth, sweet taste; naturally occurring electrolytes | Expensive; some consumers notice a chemical aftertaste | 
| Smartwater | Vapor Distilled Municipal Water | Mildly acidic (~6.5 tested); alkaline option available | Low TDS; electrolytes added | Plastic (recycled bottles available) | Clean, crisp taste; added electrolytes | Tastes distilled to some; expensive for purified water | 
| Aquafina | Purified Municipal Water (RO) | Slightly acidic (~6.5 tested) | Very low TDS (<5 ppm tested) | Plastic | Inexpensive; widely available; clean taste | Lacks minerals; some note a plastic taste | 
| Dasani | Purified Municipal Water (RO) | Slightly acidic (~6.1 tested) | Low TDS; minerals added back for taste | Plastic (recycled bottles) | Added minerals for a distinct taste; widely available | Some dislike the mineral-added taste; metallic notes reported | 
| Essentia | Purified Water (RO) | Alkaline (pH 9.5) | Low TDS; electrolytes added | Plastic | Ionized hydration; silky taste; popular for athletes | Some note bitter notes or a slick mouthfeel; conflict of interest in hydration study | 
| Mountain Valley | Natural Spring Water, Arkansas | Naturally balanced pH | Naturally high in minerals | Glass, Plastic | Fresh, crisp taste; glass bottles preserve quality; strong conservation efforts | More expensive; harder to find | 
Making the Right Choice for Your Nutrition Needs
Choosing the best bottled water for your diet and health goals requires introspection. Consider these questions to narrow down your options:
- Prioritize purity or minerals? If your focus is on a mineral-rich taste, brands like Evian or Mountain Valley are great. If you prioritize maximum purity, look for water purified by reverse osmosis or distillation, like Aquafina or Smartwater.
- What is your pH preference? If you prefer alkaline water, naturally sourced Icelandic Glacial or processed Essentia may appeal to you. However, most people won't notice a significant difference in health benefits.
- How important is sustainability? If packaging is a key factor, seek brands in glass bottles (Mountain Valley), recycled plastic (Evian, Smartwater), or aluminum cans (Liquid Death, Path Water).
- Are you focused on taste? Blind taste tests reveal vast differences in consumer preference. The only way to find your perfect match is to try a variety and see which flavor profile you prefer.
Conclusion: Your Personal Best Bottled Water
Ultimately, what is the best bottled water brand is a personal decision, not a universal truth determined by a single ranking or a celebrity endorsement. Factors like processing methods, mineral content (TDS), pH, and packaging all contribute to the final product. For those seeking a mineral-rich and flavorful experience, a brand like Evian or Fiji might be the ideal choice. If pure, clean, and low-TDS water is your priority, then brands like Smartwater or Aquafina are excellent contenders. For the environmentally conscious, alternatives like Path Water or Mountain Valley in glass bottles offer appealing solutions. By considering your own taste preferences and nutritional goals, you can navigate the bottled water market and find the brand that truly delivers the best hydration for you.
For more in-depth reviews and testing on water quality, consider exploring resources like Consumer Reports.