Drop some food coloring into the reservoir tank of your toilet before you go to bed. Check the bowl in the morning to see if any of the color is present. If it is, you have a leak that is wasting water and dollars. Shower and Bathtub Take a shower instead of a bath.
Showers use less water than baths.
If you are using more water, then chances are you're using more hot water and paying for the water and the energy used to heat it. These can help cut your water use in half, are easy to install and are relatively inexpensive. Sink When brushing your teeth or shaving, turn off the water. Lighting Use compact fluorescent light bulbs instead of traditional incandescents. These produce less heat, save energy, and can be used in any room in the house.