Damage caused by flood waters may also vary depending upon the type of water involved. Don't delay seeking professional assistance as Category 1 Water can worsen into Category 2 or 3 Water very quickly.
Category 1—clear water
This means that the source of water is something like a broken pipe or water-heater. This sort of water does not pose any immediate danger for humans or animals.
Category 2- grey water
Grey, filmy, or murky flood water may contain a significant level of contamination, which could cause discomfort or sickness to humans exposed to it. Clear water may also quickly turn murky or fall into Category 3 within 24-72 hours.
Category 3- black water
Black water, which may occur in situations involving mass flooding or sewage, is extremely dangerous. It contains significant microbial and pathogenic agents and is unsanitary. You should make every effort to prevent your family members or pets from being exposed to this category of flood waters.