What color is septic sewage typically described as?

Septic sewage is typically described as dark brown or black due to the presence of organic matter, solids, and various waste products. The darker color indicates a higher concentration of decomposed materials and microorganisms that are commonly found in waste. This coloration is a result of both the breakdown of solid waste and the interaction of bacteria and other microorganisms in the septic tank environment. In septic systems, sewage undergoes anaerobic digestion, leading to darker hues and a more complex mixture of materials. Understanding the typical color of septic sewage is important for identifying potential issues and ensuring proper management of septic systems.