Wetlands are important for managing stormwater in cities. They help with drainage, prevent floods, and reduce pollution in runoff. To keep wetlands working well, it's crucial to clean out sediment and pollutants before the water reaches them. During construction, it's important to control erosion to prevent sediment from building up in the wetland. Regular maintenance is also key to keeping wetlands effective by removing built-up sediment and organic matter. Maintenance may involve cleaning out sediment, fixing drainage systems, and managing vegetation.