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Fire & Water - Cleanup & Restoration

Is Category 2 Water Contaminated?

4/17/2019 (Permalink)

Category two damage can be caused by an overflow of water from a dishwasher

A Category Two water or gray water leak involves water that is more contaminated than a clean Category One leak which calls for water pipe repair and drying. Category Two water may contain chemicals or microbes and will require disinfection. Find out more about Category Two water and how damage restoration experts clean up this type of damage.

Category Two Contaminants

Category Two damage can be caused by an overflow of water from a dishwasher, washing machine, shower, aquarium, waterbed or by a sewer backup that does not contain solid waste. Depending on the source of the leak, any of the following contaminants may be present in gray water:

  • Chemicals
  • Cooking fats or oils
  • Microbes
  • Shower residues
  • Soap

Category One water from a broken pipe that is left standing for more than 48 hours before water pipe repair and damage cleanup can degrade to Category Two. Gray water is not as contaminated as black water, but disinfection will still be necessary to limit contamination and mold growth risks.

Category Two Cleanup

Water damage mitigation and restoration experts recommend quickly cleaning up any type of water damage. The faster that water is extracted, the lower the risk of secondary damage. Specialists remove water with a pump or wet vac and tear out any damaged building materials. The flooded area can then be cleaned, disinfected and dried. Air movers or fans can increase ventilation and a dehumidifier can lower moisture levels.

Determining Damage Categories

Leaks caused by appliance or shower overflows typically involve Category Two water. Gray water does not pose as much of a risk as Category Three black water, but still requires disinfection. As soon as a plumber provides water pipe repair or fixes the cause of a backup or leak, a property owner or manager should arrange for water damage mitigation and restoration at a building in Bountiful, UT.

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