Stormwater Detention Quiz

To manage higher runoff rates caused by increased impervious area (correct)

To decrease the amount of suspended particulate matter in the water

To reduce the need for retention facilities

To increase the severity and frequency of flooding

Detention facilities have no outlet structures

Retention facilities capture all runoff without release of water onto downstream areas (correct)

Retention facilities are underground containers for temporary storage of runoff

Detention facilities capture all runoff without release of water onto downstream areas

Increase severity and frequency of flooding (correct)

Increase the capacity of conveyance structures

Have no impact on downstream properties

Decrease severity and frequency of flooding

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<p>Suspended particulate matter and adsorbed contaminants to settle out of the water column</p> Signup and view all the answers