Whether it’s as one of the first forms of life on Earth or all over someone after they step foot into their kids’ daycare, bacteria are nothing if not prompt. The term encompasses a huge number of microorganisms, and not all bacteria are bad, but when we’re talking about getting rid of bacteria in your drinking water, you can trust that we’re talking about the bad kind.

Brackish Water

By definition, brackish water is the slightly salty mixture of river water and seawater in estuaries. It’s not safe to drink and it’s not fun to swim in. Due to global warming, this type of water is becoming more prevalent and will eventually pose a threat to clean water in coastal cities.


When Ozone (used to disinfect drinking water) reacts with Bromide from source water, it creates Bromate, a substance known to cause cancer. Bromate caused some stir in the 2000s, first in 2004 when its discovery in Dasani water caused Coca-Cola to issue a recall in the UK, and again in 2008 and 2009 when the Los Angeles Department of Water and Power had to drain several lake reservoirs due to bromate contamination.

Terms You Should Know

  • Raw Water

    When water is called “raw” it is untreated – simply meaning no removal of contaminants, bacteria, parasites, etc.  A common new trend in the US, drinking raw water... Raw Water

  • Algal Bloom

    When an algae population grows rapidly, causing the water to be discolored, it is called an algal bloom. Some algal blooms produce toxins, while non-toxic blooms can be just... Algal Bloom

  • NSF International

    NSF International is actually not an abbreviation, but a stand-alone term. While NSF used to stand for National Sanitation Foundation, it was officially changed to... NSF International

  • Point Of Use Filter

    A point of use, or POU, filter purifies water at the point where water is actually used. Whether at your kitchen faucet, a refrigerator dispenser, or your shower head, a... Point Of Use Filter

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