LEED Green Associate (LEED GA) — Question 82

Which of the following is a source of graywater?

Answer options

• A. Toilets
• B. Urinals
• C. Sprinklers
• D. Lavatory faucets

Correct answer: D

Explanation

Graywater is defined as wastewater generated from household activities such as bathing or washing, excluding toilet waste. Lavatory faucets produce graywater, while toilets and urinals produce blackwater due to their association with human waste. Sprinklers are used for irrigation and do not generate graywater.