Cost Comparison and Health Aspects of Filtered vs. Bottled Water

Cost Comparison
Drinking water filtration systems have also become more affordable and easy to use. Although the initial cost of a whole house system usually runs several hundred dollars, that cost is often less than $100 each year if spread out over the life of the system.

There may be additional expenses to replace carbon filters, membranes in reverse osmosis drinking water filtration system, or lamps in an ultraviolet light water treatment device. These expenses can add another $100 or so to the annual costs of operating drinking water filters and purification systems.

While some people may hesitate to spend two or three hundred dollars each year for clean, safe drinking water, they are probably paying more for bottled drinking water. Calculations show that at a price of $1 to $4 per gallon, bottled or delivered water costs an average of $400 each year, especially if you purchase individual bottles. And that doesn’t take into consideration the gas needed to drive to the store or the environmental impact of all the empty plastic bottles.

Health Aspects
Many people who choose bottled drinking water understand that it is more expensive, but are willing to pay the extra money because they feel bottled water is safer and healthier than filtered drinking water. After all, bottled water is often marketed as “natural spring water” or “pure glacier water.”

In reality, few bottled waters come from natural springs, and most of them use municipal tap water. The companies are able to get away with this false marketing because the regulations and standards for bottle drinking water are less stringent than those for residential drinking sources.

Bottled water quality is regulated by the Food and Drug Administration (FDA), while drinking water systems are typically regulated by State regulations or the Environmental Protection Agency (EPA). This doesn’t mean that the FDA isn’t doing their job. It’s just that the rules for bottled water only require it to be as good as tap water, not better.

In addition, the FDA regulations only apply to bottled drinking water that is transported across state lines. If a company sells their bottled drinking water in the same state where it was bottled, the federal regulations don’t apply. The result is that the purity and health benefits of bottled drinking water are not superior than filtered water, and in fact some are less pure.

This was demonstrated in a study conducted in 1999 by the Natural Resources Defense Council. They tested over 100 brands of bottled drinking water and found that about 1/3 of the waters contained contamination in the form of chemicals, bacteria, and arsenic. The study also found that up to 40% of bottled drinking waters come from a city water system.