A flush toilet resting over a floor and comprising: a toilet bowl; a first water conduit comprising a first conduit—first end and a first conduit—second end; a second water conduit, comprising a second conduit—first end and a second conduit—second end, and; at least one water pump, the at least one pump water-powered and not electrically powered; wherein: the first conduit—first end is operationally connectable to an external water pipe comprising pressurized water; the first conduit—second end is positioned to allow providing the pressurized water to the water pump; the second conduit—first end is operationally connected to receive water from the water pump; wherein the water pump is positioned proximal to the bowl and between the bowl and the floor, and wherein the toilet is configured such that action of water on the at least one pump allows the flush of at least 6 liters per second.