As the dog days of summer arrive, many people arrive home from a hot day out and immediately want a cool and refreshing drink. Rather than running the tap and waiting for cool water to arrive, simply fill a pitcher of water and keep it chilled in the fridge. Showers are also more frequent in the summer. Try turning off the water for a few minutes while soaping up to save gallons every day. And definitely choose a shower over a bath, which uses 35 to 50 gallons of water, while an 8-minute shower with a low-flow showerhead uses only 20 gallons.