How to Stop Flooding?

Build and maintain levees, floodwalls, and seawalls

Restore wetlands, marshes, and floodplains

Improve stormwater drainage systems

Clear and maintain drainage channels, culverts, and storm drains

Use permeable pavements and green infrastructure

Plant trees and increase ground cover

Construct retention and detention basins

Raise homes and critical infrastructure in flood-prone areas

Enforce floodplain zoning and land-use planning

Avoid building in high-risk flood zones

Install backflow prevention devices

Use rainwater harvesting and onsite water storage

Dredge rivers and channels where appropriate

Maintain dams, reservoirs, and spillways

Implement early warning and evacuation systems

Improve watershed management and soil conservation

Reduce deforestation and land degradation

Upgrade sewer systems to separate stormwater and wastewater

Protect coastal areas with dunes and natural barriers

Prepare emergency flood response plans