basement flooded with sewage water due to sewer backflow. damaged wall shows water damage, leak. interior of wet, messy basement.

basement flood water damage sewer backflow clogged drain sanitary leak repair renovation wet problem flooding humidity insurance interior dwelling building messy overflowing pipe wall moisture stain destroyed catastrophe climate issue storm rain flowing wetness corrugated surface compartment facility flooring indoor inside exterior storage warehouse sewage shabby built negative parking paten