Types of Water Filtration

Water Filtration: What are the Different Types?

When it comes to providing water for your employees, you want to make sure it’s clean, safe to consume, and tastes good. Additionally, you will want to consider what kind of filtration system you are going to use.

What are the different ways to filter water?
  • Carbon Filter
  • Ultraviolet (UV)
  • Reverse Osmosis (RO)
  • Purified Water
co-workers drinking water from filtered water cooler dispenser

Carbon Filter

Carbon filtering removes impurities and contaminants from your water with a bed of activated carbon. The carbon is basically a type of charcoal with a very high surface area. The activated carbon uses a process called chemical absorption. As the water passes through the carbon, various impurities and contaminants are trapped and removed from the water. Carbon filtering is common in bottleless water systems and successfully removes a large percentage of potential contaminants in the water.

Pros and Cons of Carbon Filtration

Pros and Cons of Carbon Filtration

Ultraviolet (UV)

Ultraviolet water filtering uses a high frequency of UV light to kill any bacteria or organisms in the water. UV water filtering is an option for bottleless water systems. It has been proven to kill 99.99% of bacteria, viruses, and parasites.


water filtration by UV radiation

Pros and Cons of UV Water Filtration

pros and cons of UV water filtration in chart format

Reverse Osmosis (RO)

Reverse Osmosis is the most comprehensive filtering option. RO is able to remove dissolved solids from your drinking water. Perhaps you’ve seen a glass of water that appeared foggy or had an “off” odor. That water had a high level of total dissolved solids (TDS), which are small organic or inorganic particles that end up suspended in the water. The makeup of dissolved solids will vary, but can include chemicals such as salts, calcium, and phosphates.

water purification by reverse osmosis, graphic

Pros and Cons of Reverse Osmosis

pros and cons of reverse osmosis water filtration in chart format

Purified Water

Purified water is a broad, non-specific term. To say water has been “purified” simply means it has been filtered. All of the above filtered options could be called “purified water.” But in addition, many bottled water companies advertise their water as ‘purified’ water when in fact, it may have undergone the same chemical treatment that tap water goes through. Just know that ‘purified’ can mean very different things to different people, so it’s always helpful to find out the specifics of what is meant by the word.

What kind of filtration does my office need?

The type of water filter you’ll need is dependent on the quality of your water. If your office is located within city limits, the source of your water will already be undergoing some kind of treatment. In that case, any of these filtration options will likely be sufficient. A qualified supplier can help you determine which option will be best for your office. However, if your tap water has TDS levels of 400 ppm or higher or if your water source is not municipally treated, reverse osmosis is recommended.

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