Sustainable Choices

Install Low-flow or Dual-flush Toilets

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Carbon Impact:
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Money Savings:
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Health Helper:
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Been thinking about dropping a brick into your toilet’s tank to reduce its water use? There is an easier way. Most toilet companies now manufacture efficient low-flow models, and some even make dual flush products that let you decide how much water you need. Go with the flow—get a more efficient toilet.

Tips & Tricks
The old brick trick. If you don’t plan on getting a new toilet right now, you can always try the old brick-in-the-tank technique. Take a brick, or any other similar sized durable object (there is even a balloon-like product designed specifically for this purpose) and place it gently in the tank above your toilet. This will reduce the flow by decreasing the reservoir size.

Dual flush action. A dual flush toilet doesn’t mean that you have to flush twice. Rather, it means there are two flush options—you push one button for more flush power and the other for a more modest flush.

Web & Print Resources
Review of models:

General water-saving information:

Water Sense quiz:


Fun Facts

If your toilet was installed before 1992, you probably have an inefficient model that use between 3.5 to 7 gallons per flush. New high efficiency models use less than 1.3 gallons per flush; that’s 60% to 80% less water than their less efficient counterparts. Source

Less than 1% of water on Earth is available for people’s everyday use. Source

Only 3% of water on Earth is freshwater, and only one tenth of that is available for our use. Source