Septage is best defined as?

Septage is best defined as a mixture that includes components from various stages of wastewater treatment. It typically consists of sludge, which is the heavier solids that settle at the bottom of a septic tank; scum, which is the lighter materials that float to the surface; and also gray water, which includes waste from sinks, showers, and bathtubs.

This comprehensive definition recognizes that septage is not just one element but a combination of solid and liquid waste products found in septic systems. By encompassing all these components, it highlights the complexity of materials that need to be properly managed. Proper understanding of septage is crucial for environmental health professionals, as effective treatment and disposal practices help prevent contamination and protect public health.