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Questions and Answers
What is the purpose of stormwater detention in new developments?
What is the purpose of stormwater detention in new developments?
- 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
What is the distinction between stormwater retention and stormwater detention facilities?
What is the distinction between stormwater retention and stormwater detention facilities?
- 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
What effect does higher runoff rates from a site have on downstream properties and conveyance structures?
What effect does higher runoff rates from a site have on downstream properties and conveyance structures?
- 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
Where is stormwater detention widely practiced?
Where is stormwater detention widely practiced?
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What does a detention pond provide sufficient time for?
What does a detention pond provide sufficient time for?
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