What Is Category 3 Water And Where Does It Come From?

1/28/2022 (Permalink)

What is Black Water?

If you read yesterday’s blog, you know that floodwater is categorized based on how contaminated it is with substances that pose a threat to human and animal health. Category 1 is clean water that is drinkable from its source. Category 2 water contains some contaminants that may cause illness if swallowed. To learn more about category 1 and 2 water, check out our previous blog posts. So what is category 3 water? 

Have you heard the term black water? In the restoration business, it is our job to know what kind of water we are dealing with at all times. The most severe type of water is category 3 also known as CAT 3, black water or dirty water. Category 3 is the most serious type of water because it is highly contaminated and is potentially toxic to those who come into contact with it. 

Water is considered category 3 if it meets any of the following criteria. The source of the water is sewage backup, flooding from rivers or streams, toilet overflow, or stagnant liquid that has begun bacterial growth. If category 1 or 2 water has been left untreated for more than three days it is more than likely that it will develop into category 3 water. If your water damage is deemed as category 3, it is likely that many pieces of your property will need to be replaced. Anything porous, such as furniture, carpeting, and drywall is grossly contaminated, and often cannot be safely cleaned. 

Category 3 water, although referred to as black water or dirty water it is not always visually black or dirty. In fact, most times it is visually translucent, and you will likely not suspect that it is dangerous. That is why we always recommend staying away from any water that has flooded your home before we assess the damage. 

If you are ever faced with water damage in your home or business, act fast and call the water restoration professionals at SERVPRO of South Mecklenburg County. We will assess the damage and ensure that it is properly mitigated to ensure your safety.

To learn more about bacteria associated with flooding please review the CDC website, and remember to always stay away from the water.

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