dirty water stream after heavy rainfall

muddy river natural landscape dirty water stream heavy rainfall silted erosion runoff clarity sediment pollutants vigorous flow environment conditions murky riverbank nature flood dirt rapid contamination riverbed wet floodplain turbulent soil brown current bank earthy outdoors stormwater ecology vegetation bed waterway channel rain mudflow watercourse muddywater dirtstream floodwater silty erosioncontrol sedimentation marshy earthyriver rainwater soilrunoff silt rapidcurrent flooding weather dirtycurrent