Alternative methods of sewage disposal

• In semi urban areas, low cost onsite disposal system is encouraged to manage the waste.
• One such method is disposing the waste in septic tanks.

Septic tank

• Another method of waste disposal which is prevalent especially in village and small towns in India is setting up of biogas plants.
• In this method, human and animal excreta flow through covered drains into biogas plants.
• Microorganisms break down the materials present in the waste and produce biogas. This biogas is then used to produce electricity.

Onsite disposal system