is tap water safe to drink kitchen faucet hand filling glass

Is Tap Water Safe to Drink? What You Need to Know

/19 Comments/in , , /by Mary Hunt

It’s easy to fall for the idea that bottled water is safer, cleaner, or somehow better than what flows from your kitchen sink. But is tap water safe to drink? In most parts of the U.S., the answer is yes, surprisingly so. In fact, your tap water might be just as safe, or even safer, than what’s in that pricey plastic bottle. Before you spend another dollar, let’s unpack the facts. You might be surprised at what’s really in your water and how easy it is to stay safe while saving money.

is tap water safe to drink kitchen faucet hand filling glass

Key Points

  • Tap water in most U.S. homes is safe, heavily regulated, and often tested more thoroughly than bottled water.
  • Bottled water isn’t always cleaner and it may contain microplastics, lack fluoride, and cost 240x more than tap.
  • With a simple filter and a little know-how, you can enjoy cleaner, safer, better-tasting water without the plastic or the price tag.

I can’t pinpoint exactly when it happened, but over the past couple of decades, we’ve been gently, okay, aggressively, nudged into believing that bottled water is somehow better than the stuff coming out of our faucets. Cleaner. Safer. Healthier. More “pure.” And where did this idea come from? You guessed it: bottled water companies.

You’ve got to hand it to them. It’s marketing genius, really, convincing otherwise smart, practical folks to pay 240 to 10,000 times more for water that often comes from the exact same source as tap water. Only now it’s packaged in single-use plastic and branded with snow-capped peaks and crystal-clear streams.

And we fell for it. Big time.

Bottled Water: Clever Marketing or Worth the Price?

Sales of bottled water have surged, even though it’s often no better, and sometimes worse, than tap. Concerns about contaminants like lead, PFAS, and nitrates in some public water systems are absolutely real. In fact, a study found that up to 1 million Americans every year get their water from systems that violate EPA safety standards, with low-income communities and communities of color facing the highest risks.

But let’s not confuse those real concerns with the idea that bottled water is automatically the answer.

Here’s the twist: bottled water isn’t held to the same safety standards as tap water (we’ll get into that in a moment). Even worse, producing just one liter of bottled water takes 1.41 liters of water and 0.21 megajoules of energy, and yes, that includes the liter you’re actually drinking. That stat comes straight from the bottled water industry itself. On top of that, millions of plastic bottles end up in landfills every year, despite our best recycling efforts. So much for bottled water being the “clean” choice.

So no, just because that bottle in your hand is dressed up like a Swiss glacier doesn’t mean it’s better for your body or your budget.

Tap Water Is Cheaper … Way Cheaper

If you’ve ever grabbed a single bottle of water while out and about, you’ve probably paid around $1.60 for just 16.9 ounces. That works out to more than $12 per gallon. Yep, pricier than milk, and neck-and-neck with a fancy latte.

Home water delivery? Let’s crunch the numbers. Most delivery plans include either:

  • 3 to 5 jugs a month (at 5 gallons each) for $30 to $60, or
  • 6 to 10 jugs a month for $55 to $90

That means you’re paying anywhere from $2 to $10 per five-gallon jug, or 40 cents to $2 per gallon, depending on how many you use. Toss in dispenser rental, and the monthly cost only climbs.

Now compare that to tap water, which averages about 6 cents per gallon in the U.S. Even if your family of four uses 400 gallons a day, your water bill is still hovering around $73 a month. That covers drinking, laundry, dishes, showers … the whole shebang.

Unless your tap water has safety or taste concerns, drinking it instead of buying bottled or delivered water is one of the simplest ways to save, without giving up anything but the markup.

Tap Water Is Heavily Regulated and Often Safer

This may startle you, but it’s absolutely true: tap water is often safer than bottled water. How can that be? The answer lies in the difference between who’s watching over each one.

In the U.S., tap water is regulated by the Environmental Protection Agency (EPA), which holds public water systems to strict standards. By law, tap water must be disinfected and tested for bacteria hundreds of times a month. And each year, water providers are required to send out Consumer Confidence Reports that spell out exactly what’s in your water.

Bottled water, regulated by the Food and Drug Administration (FDA), is held to far less rigorous standards than tap water. Unlike tap water, it isn’t required by law to be disinfected. Testing for bacteria only needs to happen about once a week, a fraction of the frequency required for tap water. Plus, bottled water companies aren’t required to share detailed water quality reports with consumers. That means when you buy a bottle, you’re mostly trusting the label and the marketing, not a transparent, regulated safety process.

Dr. Peter Gleick, author of Bottled and Sold: The Story Behind Our Obsession with Bottled Water, puts it plainly: “Our standards for protecting both ought to be stricter. But tap water is better regulated.”

Still, public perception hasn’t caught up. Surveys show that half of Americans believe tap water isn’t safe, and around 40% refuse to drink it. Meanwhile, most Americans do have access to clean, treated tap water that’s tested for nearly 90 different contaminants, from agricultural chemicals and lead to naturally occurring substances like arsenic and radon.

And here’s a twist: new research has uncovered that bottled water may come with its own hidden risks. One study found that a single liter of bottled water contains an average of 240,000 tiny plastic particles. That’s right, micro- and nanoplastics floating in that “pure” bottled water. Early studies suggest these particles may impact everything from digestion to hormone function. Some plastics may also leach harmful chemicals, including antimony and hormone-disrupting compounds, whether they come from the bottle itself or even plastic tubing and caps used in processing, including in glass-packaged waters.

Tap water, while not perfect, gives you transparency, rigorous oversight, and in most places, the safest glass you’ll drink all day. If you’re concerned about taste or contaminants, a good home filter can bridge that gap, without the extra cost or the microplastic chaser.

Why Tap Water May Actually Be Healthier

Tooth decay is making a comeback among kids, and believe it or not, bottled water could be playing a role. The issue isn’t what’s in the bottle, but what’s not. Most bottled water skips the fluoride, a naturally occurring mineral that’s been added to municipal tap water for years to help fight cavities. Without it, those pearly whites may not be getting the protection they need.

Parents often choose bottled water thinking it’s a purer or healthier choice for their kids, but ironically, it may mean they’re missing out on one of the easiest and most proven ways to protect little teeth. The U.S. Centers for Disease Control and Prevention (CDC) has long recognized community water fluoridation as one of the top public health achievements of the 20th century, credited with drastically reducing tooth decay across all age groups.

That said, I understand fluoride has become a hot-button topic in recent years. There are passionate voices on both sides and a growing volume of research, some credible, some not, being shared online. So let’s stick with what well-established science tells us so far:

Fluoride, in appropriate amounts, helps strengthen developing teeth and supports the natural process of remineralization, which protects enamel from decay. Leading health organizations like the American Dental Association and CDC continue to support community water fluoridation as both safe and effective. A 2021 review by the U.S. Preventive Services Task Force still recommends fluoride supplements for children living in areas without fluoridated water.

At the same time, scientific understanding is always evolving. In recent years, some studies have raised new questions about potential risks of fluoride overexposure, particularly in children. In response, agencies like the FDA have begun re-evaluating certain fluoride recommendations, including supplements, to ensure safety thresholds remain appropriate. It’s a good reminder that even with something as well-established as fluoride, dose matters and ongoing research is a healthy part of maintaining public trust and safety.

So, next time you or your kids reach for a drink, consider the humble tap. It’s often just as safe, sometimes safer, than bottled water, and it might be doing your smile a favor, too. Especially for growing kids, that invisible mineral in the tap could save them from future cavities (and you from surprise dental bills).

Don’t Love the Taste? Easy Fixes for Better Tap Water

water filter pitcher sitting on kitchen countertop

If the taste of your tap water makes you hesitate, don’t reach for the bottled stuff just yet. A simple filter pitcher, an inexpensive faucet attachment, or a more robust under-sink system can make all the difference, removing unpleasant flavors and giving you peace of mind.

You’ve got options, and they don’t have to break the bank. I’ve done the research, testing, and taste trials for you. Check out my top picks for the best inexpensive water filters: pitcher, countertop, and under-sink systems that actually work.

 

Question: Be honest: Are you team tap or team bottled? And what finally convinced you to make the switch (or not)?

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19 replies
  1. Ellen says:

    We have very good well water, except for the iron content! We use Brita filters for drinking/cooking needs. I buy distilled water for my iron, canning, Navage and diffuser.

    Reply
  2. Peggy says:

    Anyone can go to ewg.org, input your zip code and get a report on what’s in your water.
    I buy bottled water for emergency use, but we filter drinking water at the kitchen sink.

    Reply
  4. lindaa says:

    i have one bottled water in my car in case i have to wait four hours for a tow truck…again. the per bottle cost is cheaper if you get a case, so i got a case. this will come in handy if we get a power failure, as the well pump is electric. other than that, i’m tap all the way.,

    Reply
  5. kat says:

    we lived in wv, had well waterput an expensive filter system in because of the iron and other stuff – water was great! always keep some bottled water (make sure its USA bottled, from a spring), we are now in nc, and you’ve heard the problems with our water here!! from cherry pt marine base for years! so NO DONT TRUST anything govt – FDA and all the rest are lying to you about everything. sorry, but how I feel. i.e. look at DAgric…look at all the foods coming in country – not regulated and inspected anymore, even whats grown is chemically treated unless you grow your own, you have no idea whats going into your body. animals same way…well never mind, just be aware of whats happening, use the pure water system, the reverse osmosis, a berkey if you can afford one, and other means of filtering your own water…..you’ll be glad…..

    Reply
    • Skm says:

      I agree. I use a Brita pitcher and it works fine.
      I don’t think drinking fluoride is good for us. It’s in toothpaste and that’s good enough for me. I no longer trust the CDC or FDA.

      Reply
    • KT says:

      I agree, Kat. I have researched and believe whole-heartedly fluoridation in tap water is the cause of my auto-immune disorder. I have never had a boil advisory for bottled natural spring water, unlike my municipality. Even my leather furniture and my coffee maker too came with warnings not to use tap water to clean. If tap water is so great, why would manufacturers warn against it?

      And just today:

      A new review conducted by the National Institutes of Health (NIH) may have confirmed that higher levels of fluoride in drinking water lead to lower IQ scores in children.

      The analysis, published in JAMA Pediatrics on Jan. 6, found that fluoride exposure exceeding 1.5 milligrams per liter (mg/L) was associated with reduced intelligence in children. The studies reviewed in the analysis measured fluoride levels in both drinking water and urine, with urinary fluoride serving as a proxy for total fluoride exposure.
      Among the 74 reviewed studies, 64 found that higher levels of fluoride exposure were linked to lower IQ scores in children. The strength of this association is considered moderate to large.

      Reply
      • maryann berger says:

        I’m surrounded by the great lakes….don’t want to be surrounded
        by empty water bottles

  6. Cynthia Warner Crowell says:

    I have been a volunteer for Living Waters for the World an organization that has the mission of installing water purification systems in places around the globe without access to clean water. I have been volunteering with a LWW group that has been traveling to Peru for over 10 years. I want to echo every single word that you said. With the exception of very few communities in the USA, tap water is just as safe or safer than bottled water. And, drinking tap water and using a refillable water bottle saves tons of plastic from being discarded and contributing to pollution all over the world. Thank you for sharing this.

    Reply
  7. Lorrie says:

    Although I do agree over all with your post it’s hard to swallow. Especially when we know the aging infrastructure of some cities and corrupt governments has given us lead crisis issues. Think Flint, Michigan. When our elected and appointed officials don’t do their jobs or take bribes to look the other way, it’s hard to believe they have our health in our best interest. I drink county water. Have an RO filter, and every few years send it out for examination.

    Reply
  8. Diane O. says:

    In Calif we have a drought. People are afraid we will run out of water. They are stocking up on bottled water. It’s getting harder and harder to find bottled water in the stores.

    Reply
  9. Linda Pries says:

    This article refers to city water of course. I love my well water. No, it isn’t tested regularly (or ever), it doesn’t contain fluoride but it tastes great and the only cost is the electric used to operate the pump. If I ever have to allow city water into my home I may need a filter system because I hate the taste and smell of it.

    Reply
    • Susan Odom says:

      Linda, these are exactly my sentiments. I have well water, and it tastes great. And it’s free other than the electricity to run the pump. And the last few years my (own) teeth have sailed right through the twice-a-year exams.

      Reply
  11. Debi says:

    I live in PA, and I get my 5 gallon tub of water for 1.25 from a kiosk called Springton Water, do not like the taste of my well water.

    Reply
  13. Mark Shoenfelt says:

    When I was young, my grandmother kept tap water in a bottle in the refrigerator. It had no discernible taste and was refreshingly cold; but the tap water straight from the faucet tasted horrible. You may be able to get similar results without investing in filters or filtered pitchers.

    Reply

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