Black Water vs Grey Water – What Charleston Homeowners Need to Know
Not all floodwater carries the same risk. In Charleston, where storm surge, sewer backups, and supply line failures each produce different types of water intrusion, understanding the difference between grey water and black water is practical knowledge for any homeowner dealing with a flooding event. What Grey Water Means Grey water refers to water that has been used but does not contain sewage or significant biological contamination. Common sources include overflow from washing machines, dishwashers, bathroom sinks, and bathtubs. While grey water is not clean, it does not carry the same pathogen load as sewage-contaminated water. In Charleston homes, grey water incidents most commonly result from appliance failures and supply line breaks. The damage is typically contained to the area immediately around the source, though moisture can spread through flooring and wall cavities if not addressed quickly. What Black Water Means Black water is water that contains sewage, floodwater from...