Category 1: Clean Water

Water originates from a source that does not pose substantial harm to humans.  Examples include broken water supply lines, bathtub or sink overflows without contaminants, melting ice or snow, rainwater, broken toilet tanks/bowls without contaminants, etc.

Category 2: Grey Water

Contains a significant level of contamination and has the potential to cause sickness if consumed by or exposed to humans.  Examples include discharge from dish washer or washing machines, overflows from toilet bowls with some urine (no faces), sump pump failure.

Category 3: Black Water

Contains pathogenic agents and is grossly unsanitary.  Examples include sewage, toilet back flows from beyond the trap, and all regional flooding from seawater, surface waters, rivers, streams, etc.