Toilet Facilities

• Level 1


  Non-water carriage
• Level 1


  Pit Latrines - collects human waste in a hole in the ground; does not need water
• Level 1


  Pour Flush Toilet Used in mountains
• Level 2


  Water-sealed → flushed types → Septic Tank
• Level 3


  Level 2 + Sewerage system → Treatment Plant
• Level 1

  Pit Latrines - collects human waste in a hole in the ground; does not need water