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The Key is Safety!The main reason to prefer tap water as your drinking water, in the end, may, ironically, be safety – yes, safety! Its not because tap water is inherently purer (it's not), but because it is better regulated. This is the key point. Tap water is subject to higher safety standards and better monitoring than bottled water.
That doesn't mean the standards are tough enough. They do leave a wide range of contaminants uncovered (from rocket fuel to the gasoline additive MTBE), but they are nevertheless the tougher of the two, and they're also better enforced. Tap water is also regulated more consistently. Environmental Protection Agency rules apply to every public water system in the nation. In contrast, bottled water is governed by Food and Drug Administration rules when transported across state lines and otherwise by individual states. Tap water - Utilities must issue annual "Water Quality Reports" -- also called "Consumer Confidence Reports" -- identifying the source of the water and contaminants found in it. Bottled water - FDA regulations for bottled water offer nothing comparable to “Water Quality Reports”. False claims on labels are barred, but there is no requirement that contaminants within so-called safe limits be listed. You can ask bottled water companies for the information -- and by all means do if you drink it -- but recognize that they are under no obligation to tell you any details. Tap water in most places is still pretty good (excellent in some places). Bottled water is no better quality and abandoning the public system will only serve to make tap water worse.
Quality you can count on in drinking water purification units - for information on systems that meet and exceed the qualifications on this page. If you are concerned about the quality of your tap water, here's what you can do:1) Ask your utility for a Water Quality Report (downloadable pdf.) and see if your fears are founded. 2) Consider filtering your drinking water to address any problems you may have uncovered. Filters can help with water that tastes bad, too. The National Geographic Green Guide offers a comparison guide to available filtering systems, including
our favorite.
3) If your water fails to meet safety standards and you or a member of your household is very young, old, pregnant or living with chronic illness or a weakened immune system, consult your doctor about what to do. In some cases, bottled water may be the best alternative if it is from a source that is known to be good.
And please support local measures to protect your watershed, modernize infrastructure and upgrade drinking water treatment. They are the keys to clean, affordable drinking water for all. For email information on our favorite water purification systems, fill out the form below.
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