rain runoff
- stormwaterSurface flow from precipitation
- drainageLiquid removal system
- gutterEdge channel for runoff
- puddleShallow collected rainwater
- watershedDrainage area boundary
erosion · culvert · downpour · flooding · stream · sewer · pavement · muddy · channel · overflow · drains · street · curb · rushing · pollutants · rivulet · storm drain · trickle
water movement direction
rain runoffinfiltration
Covert entry into organization
percolation · absorption · water retention · seepage · rainwater harvesting