LEED Green Associate Practice Test

What is a bioswale designed for?

1. To provide recreational space in urban areas

2. To reduce rainwater runoff and increase groundwater recharge

3. To cultivate wetlands for wildlife habitat

4. To filter stormwater for clean discharge

The correct answer is: To reduce rainwater runoff and increase groundwater recharge

A bioswale is specifically designed to manage stormwater runoff by utilizing natural processes to filter and infiltrate water. It resembles a shallow, vegetated channel that slows water flow, allowing it to percolate into the ground. This design not only helps in reducing rainwater runoff but also enhances groundwater recharge by allowing water to seep into the soil, thus replenishing aquifers. While providing recreational space, cultivating wetlands, and filtering stormwater are all important aspects of sustainable landscape design, they are not the primary functions of a bioswale. Recreational space is more aligned with park design; wetlands focus on habitat preservation and biodiversity; and stormwater filtration, although a function of bioswales, is part of the broader goal of managing water through infiltration and replenishment. Therefore, the main intent of a bioswale is effectively captured by the aspect of reducing runoff and supporting groundwater recharge.