Clean Water – water that originates from a source that does not pose substantial harm to humans.
- Broken water supply lines:
- Tub or sink overflows — with no contaminants
- Appliance malfunctions involving water supply lines: ice maker line
- Melting Ice or snow:
- Falling rainwater
- Broken toilet tanks and toilets bowls – that do not contain contaminants or additives.
Gray Water – may contain chemicals, biocontaminants (fungal, bacterial, viral, algae) and other forms of contamination including physical hazards.
- Discharge from dishwashers or washing machines
- Overflows from washing machines
- Overflows from toilet bowls with some urine (no feces)
- Sump pump failures
- Seepage due to hydrostatic pressure
- Broken Aquariums
- Punctured water beds
Black Water – contains pathogenic agents and is extremely unsanitary. If not handled in a timely manner, clean water or gray water can become black water.
- Sewage and other contaminated water sources entering or affecting the indoor environment.
- Toilet backflows that originate from beyond the toilet trap.