This tool helps you design a septic tank. Enter all the values in the box below and enter the get design button to get all the appropriate dimensions of the septic tank.

Fill all red Coloured details below
Design Considerations
- L/B ratio should be between = 2 to 4
- Minimum effective depth of septic tank should be = 1 m and, Free board = 30 to 45 cm
- Minimum width of septic tank should be= 0.75 m
- Minimum effective volume of septic tank should be = 1m3