Water Efficiency

Low Flow Plumbing
  • Faucet Aerators
    • Attachment that mixes air into water stream
    • Helps conserve water by using less
  • Efficient Faucets
    • High efficiency can save around 30% of water usage
  • Showerheads
    • Maintains pressure that one is accustomed to, while reducing water used
High-Efficiency Water Appliances



  • Toilets
    • Toilets made after 1994 are required to use less than 1.6 gallons per flush
    • Some older models can use up to 7 gallons per flush
    • Upgrading a toilet can save water usage and money
  • High-Efficiency Washer
    • Uses 33% less water annually, roughly 2000 gallons of water
    • Uses 25% less energy

Water Efficiency chart 1

Water Efficiency chart 2

Contact Us

Institute for the Study of the Environment, Sustainability and Energy
325 Montgomery Hall
DeKalb, IL 60115
Phone: 815-753-6563
Fax: 815-753-2902
Email: envs@niu.edu
Back to top