A leaky toilet can waste around 200 gallons of water per day. If you have a leaky toilet, make the effort to get it fixed. Also, take notice when you see water-wasting toilets at work, in hotel rooms and at the gym. These are easy places to report broken fixtures to management so they can be fixed. Not only do these simple steps save water, they also help reduce greenhouse gas emissions, since it takes energy to pump and treat water, too.