How do you prevent saltwater intrusion?

Preventing saltwater intrusion involves several strategies, including the sustainable management of groundwater resources, such as reducing excessive pumping from coastal aquifers. Constructing barriers, like levees or dikes, can help protect freshwater sources from saline water. Additionally, implementing recharge areas and preserving wetlands can enhance natural filtration and maintain the balance between freshwater and saltwater. Finally, using desalination technologies can provide alternative freshwater sources in vulnerable areas.