Respuesta :

There are no following that were listed, but under assumption you can have:

1.) Not drinking water.

2.) Rationing it. 

Comment down the answer list and I will comment back the answer thanks :D
i absolutely agree with the person above, but more ways of conserving water include turning it off while brushing your teeth, having a well, using it rationally, not taking long showers/baths, etc. have a great day!