Trump also recently said petrol prices are at $ 1.98 per gallon ($ 0.52 per litre) in some states.
Every minute, 10,000 gallons of water mysteriously gush out of the desert floor at a place called Ash Meadows, an oasis that is home to 24 plant and animal species found nowhere else in the world.
Starting February 1, residents will only be allowed to use 50 litres, or a little over 13 gallons, of water per person per day.