Which of the following strategies will aid in reducing indoor water demand to achieve the water reduction goal set by the owner?

A building owner has set a goal of reducing water use by 20% for the upcoming year.

Which of the following strategies will aid in reducing indoor water demand to achieve the water reduction goal set by the owner?
A . Installing dual-flush toilets
B . Collecting rainwater in cisterns
C . Installing building-level water meters
D . Using potable water for flush functions

Answer: A

Explanation:

Installing dual-flush toilets can significantly reduce indoor water demand. Dual-flush toilets have two flush options: a half flush for liquid waste and a full flush for solid waste. By using less water for liquid waste, these toilets can reduce overall water consumption by up to 30%, helping to achieve the owner’s water reduction goal.

Reference: LEED Green Associate Candidate Handbook, U.S. Green Building Council resources