Water Sensitive Urban Design

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Water Sensitive Urban Design (WSUD) is a set of methods to make the most of rain water falling in the urban area. Instead of directing storm water to drains and then to the ocean, the water can be directed to tanks or to roadside plantings of local plants. Slowing water down by use of landscaping and creating swales where water can soak into the ground and recharge aquifers is important for future groundwater supply.

Hard surfaces are reduced and rainwater is slowed by increasing vegetation and collection areas. Local waterways create places of social interaction and recreation around wetlands and lakes.

Less money will be needed to keep up repairs on storm water systems if rainwater is harvested and used within cities. It will become increasingly important to collect rainwater in cities to use for gardens and green open spaces.

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