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Rainfall events wash soil particles into streams. These soil particles collect in streams and rivers and referred to as silt.
What effect to dams have on silt flow?
Silt accumulates in dam reservoirs.
Silt levels are typically higher downstream from a dam.
In a properly constructed dam, silt flow is virtually unaffected.
Dams can hold and release silt as needed.
Dams can increase nutrient flow downstream due to silt deposition.