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<th colspan=4>Water quantity</th> | <th colspan=4>Water quantity</th> | ||
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<tr> | <tr> | ||
<td>Flow attenuation</td> | <td>Flow attenuation</td> |
Expected performance benefits for various dewatering practices.
Link to this table
Water quantity | |||
---|---|---|---|
Flow attenuation | Secondary benefit | Little or no benefit | Little or no benefit |
Runoff volume reduction | Secondary benefit | Little or no benefit | Little or no benefit |
Water quality | |||
Soil erosion | Little or no benefit | Little or no benefit | Little or no benefit |
Sediment control | Primary benefit | Primary benefit | Primary benefit |
Nutrient loading | Secondary benefit | Secondary benefit | Secondary benefit |
Pollutant removal | |||
Total suspended solids | Primary benefit | Primary benefit | Primary benefit |
Total phosphorus | Secondary benefit | Secondary benefit | Secondary benefit |
Heavy metals | Secondary benefit | Secondary benefit | Secondary benefit |
Floatables | Primary benefit* | Little or no benefit | Secondary benefit |
Oil and grease | Primary benefit* | Little or no benefit | Secondary benefit |