Changes

Jump to navigation Jump to search
no edit summary
Line 30: Line 30:  
*distributing across a larger development site.}} <br>
 
*distributing across a larger development site.}} <br>
 
<br clear="all" />
 
<br clear="all" />
 +
 
==Planning considerations==
 
==Planning considerations==
 
[[File:Pond soccer field combined.png|300px|thumb|right|Multiuse soccer field and intermittent detention pond in Montana during a dry period (top) and after rainfall (bottom) (TD & H Engineering, 2025)<ref>TD & H Engineering. 2025. UPGF Storm Water Detention Pond. https://tdhengineering.com/project/upgf-multiuse-athletic-field-intermittent-storm-water-detention-pond/</ref>.]]
 
[[File:Pond soccer field combined.png|300px|thumb|right|Multiuse soccer field and intermittent detention pond in Montana during a dry period (top) and after rainfall (bottom) (TD & H Engineering, 2025)<ref>TD & H Engineering. 2025. UPGF Storm Water Detention Pond. https://tdhengineering.com/project/upgf-multiuse-athletic-field-intermittent-storm-water-detention-pond/</ref>.]]
Line 45: Line 46:  
===Water temperature===
 
===Water temperature===
 
Dry detention ponds can elevate the [[Stormwater Thermal Mitigation|temperature of stormwater]]. This effect can be reduced by shortening detention time (US EPA, 2021)<ref>United States EPA. 2021. Stormwater Best Management Practice. https://www.epa.gov/system/files/documents/2021-11/bmp-dry-detention-ponds.pdf</ref>, increasing canopy cover (LSRCA, 2022)<ref>Lake Simcoe Region Conservation Authority. 2022. Technical Guidelines for Stormwater Management Submissions. https://www.lsrca.on.ca/wp-content/uploads/2023/06/Technical-Guidelines-for-Stormwater-Management-Submissions.pdf</ref>, or installing a [[Stormwater Thermal Mitigation#Cooling Trenches|cooling trench]] at the pond outlet (City of Toronto, 2015)<ref name = "CoT 2015"></ref>. Alternative stormwater controls may be better suited for areas that discharge to cold-water streams.
 
Dry detention ponds can elevate the [[Stormwater Thermal Mitigation|temperature of stormwater]]. This effect can be reduced by shortening detention time (US EPA, 2021)<ref>United States EPA. 2021. Stormwater Best Management Practice. https://www.epa.gov/system/files/documents/2021-11/bmp-dry-detention-ponds.pdf</ref>, increasing canopy cover (LSRCA, 2022)<ref>Lake Simcoe Region Conservation Authority. 2022. Technical Guidelines for Stormwater Management Submissions. https://www.lsrca.on.ca/wp-content/uploads/2023/06/Technical-Guidelines-for-Stormwater-Management-Submissions.pdf</ref>, or installing a [[Stormwater Thermal Mitigation#Cooling Trenches|cooling trench]] at the pond outlet (City of Toronto, 2015)<ref name = "CoT 2015"></ref>. Alternative stormwater controls may be better suited for areas that discharge to cold-water streams.
 +
<br clear="all" />
    
==Design==
 
==Design==

Navigation menu