Is it safe to drink water from the bathroom sink?

Common Contaminants Found in Sink Water

Another question you may have is, can you drink sink water and not feel any effects? It depends on what your water contains and how your body reacts. The EPA breaks down each water contaminant into two groups, chemical and microbial. 

Chemical contaminants measured in water systems include arsenic, copper, and lead, to name a few. Microbial contaminants factor in bacteria and viruses that are often present, too. Here are a few of the top types of contaminants that may be found in your sink water and the adverse health effects they may cause. 

Side Effects of Arsenic Exposure

Arsenic is a natural compound found in groundwater. It’s not usually found in amounts deemed harmful to human health. The EPA regulates a low limit of .01 parts per million of arsenic in drinking water. However, there may be a higher concentration found in certain areas, particularly regions with large industrial or farming operations. Ingesting too much arsenic can lead to headaches, drowsiness, and diarrhea, and eventually lead to chronic illness. This is why we encourage people to take advantage of our water machine filter found in our bottleless water dispensers.

Side Effects of Copper and Lead Exposure

The presence of copper and/or lead in drinking water often stems from outdated pipes and water fixtures. Water absorbs these materials as it makes its way to your faucet. According to the Centers for Disease Control and Prevention (CDC), both copper and lead can have adverse health effects on your digestive system. Plus, exposure to high levels of lead can lead to kidney and brain damage, abdominal pain and headaches, among other side effects. 

Compliance for Coliform Levels in Groundwater

Public water systems must comply with the EPA’s set monthly maximum coliform levels which can’t contain more than five percent of the samples taken each month. If more than five percent is found, it must be reported on a state level as well as to the public. 

Routine and repeat sample testing must also be analyzed for fecal coliforms or E.coli, since it represents a direct health risk to anyone who consumes it. If you live in a dense agricultural area, there’s a higher chance your water may be affected by bacteria in the water. Drinking straight from the tap may not be the healthiest option. 

These are only a few of the main contaminants that may be found in your tap water. The list also includes pesticides, chemicals, bacteria, viruses, and an array of other pollutants. Additionally, some sink water may have a strange odor or taste making it unappetizing to drink, depending on where you live. By EPA standards drinking sink water may not technically be bad, it’s not necessarily good either.

Benefits of having a top-quality under sink water filter

A top quality under sink water filter is an excell

A top quality under sink water filter is an excellent choice for the health of your family regardless of where you live. Even though in most cities and states the water is clean and filtered by the municipality, a good home water filter can further improve the quality of your tap water by eliminating lots of contaminants that can affect your family’s wellbeing. Besides making water safe to drink, these filters also improve the water taste and come with the added benefits of being easy to install. Most of them don’t require any additional space because you can fit them under any countertop.



  • Solar methods take a longer period of time and might not be adequate for making lots of freshwater quickly, but it’s useful in true survival situations.

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As brands try to set themselves apart in the filtration space, different accessories and add-ons have popped up, like Bluetooth capabilities and sensors to monitor filter effectiveness. While these can be appealing bells and whistles, they are not necessary. If you follow manufacturer guidelines on replacing filters, for example, the sensor is unnecessary. Ultimately, what matters is if the filter itself is capable of removing the impurities you want removed. 

Types of Water Filters

When we think of water filters, a pitcher is the first thing that comes to mind, but water filters can be used at almost every point of water’s journey through your home. 

Whole-Home Systems 

Whole-home systems filter all the water coming into your home. The most common kind, says Andrew, “is a water softener that will help remove minerals and ‘soften’ your water.” Since hard water is bad for pipes and water fixtures, a whole-house filtration system makes the most sense. Because this type of system filters water for the whole house, it’s often expensive and time-intensive to set up. 


If you are filtering for contaminants or taste in your drinking water, a point-of-use filter is also an option. These can be filters that attach to the sink, or under the sink where you get drinking water. Andrew emphasizes that whole-house filtration, unless you are on a well, is generally only for softening water, and that these point-of-use systems are sufficient if you’re filtering out contaminants. Under-sink filters are often easier to install than whole-home systems, but are more expensive than faucet attachments or pitchers. 

Faucet Attachments 

Like under-sink filters, faucet attachments offer instant access to filtered water at a place where you would be getting drinking water, such as the kitchen sink. These filters can typically be attached to most standard sinks, though they won’t work with more unique sink setups, like a pull-down faucet with a spray nozzle. A faucet attachment will typically allow you to filter only the water you want to drink and let unfiltered water come through for things like washing dishes. If you are only filtering it to improve taste, this should be sufficient. This type of system also puts less pressure on the filter by only filtering the water you need. 


Pitchers don’t offer the convenience of a sink filter because they need to be refilled, but, Andrew says, “some people prefer pitchers because they allow you to chill filtered water, which can make it more enjoyable to drink.” It’s also the easiest to set up. Furthermore, if you are only filtering water for taste, you may find a faucet filter to be bulky and unnecessary while you do things like wash dishes or your hands at the sink. Again, this comes down to preference, and both faucet attachments and pitchers are capable of filtering out contaminants. 


Countertop water filtration systems work similarly to faucet filters by diverting water from the sink into a filtration system with its own tap. Other countertop filtration systems need to be filled, acting like water coolers; these can be bulkier than pitchers, but require less frequent refilling. They do offer the advantage of allowing you to place filtered water anywhere in your home, away from a water source. 


Water bottles can also filter water and thus be certified by the NSF and ANSI. They can filter water as you fill the water bottle or as you drink it. Water bottles can be a great option if you want to drink filtered water on the go, and they’re a great alternative to buying water bottles. But, many home water filtration brands and filters are designed to remove contaminants from treated water. If you want a water filter for hiking or getting water from sources like creeks and rivers, you’ll need to be extra sure that the filtration system you’re buying can remove bacteria and other organisms found in nature. 

While filters of all types can do a great job of removing contaminants, Andrew says, “no filter can actually remove all contaminants.” Any filter that claims it can remove all or 100 percent of contaminants is misrepresenting itself, and no certifying body would verify those claims. “The technology just doesn’t exist,” Andrew says. 

Why Filtered Water Is the Better Option

Filtered water is the better option for several reasons. First, it removes the majority of contaminants found in regular tap water, leaving behind a much better look, taste, and smell to the water you drink every day. Since city water reports are due on a yearly basis, there’s a chance sink water could have higher than the regulated minimums at any point following the submission of the annual report. 

FloWater is beneficial because it removes up to 99 percent of all chemicals, pollutants, and other elements found in sink water. The filtration process is five times more effective than anything else currently on the market.  It transforms water from your tap through multiple levels of filtration to give you the best possible water quality available. The first three steps involve removing particles of all sizes, including bacteria and smaller particles that may still not be filtered out with a standard process. 

After the water is completely purified, there’s a filter that adds in a third molecule of oxygen to make the water taste better and helps to sanitize the stainless steel tanks. After that, a proprietary blend of minerals is added to raise the water’s pH level and neutralize acidity in the body. Finally, the water is enhanced with electrolytes, including calcium and potassium, before going through a final coconut carbon filter to give it a crisp, refreshing taste.

Our Verdict

After completing our thorough research, we concluded that the APEC ROES-PH75 is the best all-around under sink water filter on the market because it combines a compact size and easy installation with a thorough 6-stage filtration, giving you the purest, healthiest drinking water. If you are interested in a water filter with bacteriostatic filtration properties, we recommend the CuZn UC-200 that comes with the added advantage of being easy to install and use. If you’re looking for one of the most complete sets on the market, with everything you need for high quality water filtration, then the Express Water RO5DX would be a great option for you. No matter what kind of filtration system you require for your household, make sure that you do your research find a model that suits your particular needs and provides healthy water for your entire family.


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