Expected performance benefits for riprap Expected performance benefits for riprap

Expected performance benefits for riprap.
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Water quantity
Flow attenuation	Little or no design benefit
Runoff volume reduction	Little or no design benefit
Water quality
Soil erosion	Primary design benefit
Sediment control	Little or no design benefit
Nutrient loading	Little or no design benefit
Pollutant removal
Total suspended solids	Little or no design benefit
Total phosphorus	Little or no design benefit
Heavy metals	Little or no design benefit
Floatables	Little or no design benefit
Oil and grease	Little or no design benefit