What type of waste should always be kept out of a septic system?

Hazardous materials, such as solvents, should always be kept out of a septic system because they can severely disrupt the biological processes that are essential for the system's function. Septic systems rely on beneficial bacteria to break down organic waste. When hazardous materials are introduced into the system, they can kill these bacteria or inhibit their activity, leading to system failure and potential environmental contamination.

In addition, hazardous materials can lead to regulatory issues, as their presence can contaminate groundwater and pose health risks to the surrounding community. Proper disposal methods should be followed for these substances, separate from septic systems, to ensure environmental safety and compliance with local regulations.

Other types of waste, such as animal waste or excessive toilet paper, can also cause problems in a septic system but do not carry the same level of risk or regulatory concern as hazardous materials do. Understanding this distinction is crucial for effective septic system management and protection of public health.