What public health risk must be balanced with water efficiency and chemical usage in every water treatment program?
A . Botulism
B . Mold growth
C . Iron poisoning
D . Legionella outbreak
Answer: D
Explanation:
Legionella outbreak is a significant public health risk that must be balanced with water efficiency and chemical usage in every water treatment program. Legionella bacteria can grow in water systems, particularly in warm, stagnant water. If not properly managed, it can lead to Legionnaires’ disease, a severe form of pneumonia. Therefore, while striving for water efficiency and minimizing chemical usage, it’s crucial to ensure that the conditions do not favor the growth of Legionella.
Reference: LEED AP Operations + Maintenance (LEED AP O+M) V4.1 by usgbc.org1.
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