Changes

{|class= "wikitable sortable"

{|class= "wikitable sortable"

|+ Runoff volume reduction performance for selected monitoring studies of LID practices or sites conducted over a period of a year or more (Sortable, just click on headers)

|+ Runoff volume reduction performance for selected monitoring studies of LID practices or sites conducted over a period of a year or more <br>

(It's sortable, just click on the headers)

|-  

|-  

!style="background: darkcyan; color: white" rowspan = "2"|BMP type

!style="background: darkcyan; color: white" rowspan = "2"|BMP type

|Infiltration trench<ref name = "VS 2015"> Van Seters, T. and Young, D., 2015, Performance Comparison of Surface and Underground Stormwater Infiltration Practices, TRCA, Toronto, Ontario"</ref>||Two growing seasons||Silty clay||10:1||<10 cm; flow rate control||80%

|Infiltration trench<ref name = "VS 2015"> Van Seters, T. and Young, D., 2015, Performance Comparison of Surface and Underground Stormwater Infiltration Practices, TRCA, Toronto, Ontario"</ref>||Two growing seasons||Silty clay||10:1||<10 cm; flow rate control||80%

|-

|-

|Bioretention<ref name = "VS 2015"></ref>||Two growing seasons||Silty clay||10:1||<10 cm; flow rate control||90%

|Bioretention<ref name = "VS 2015"></ref>||2 growing seasons||Silty clay||10:1||<10 cm; flow rate control||90%

|-

|-

|Permeable Pavement<ref>Van Seters, T. and Drake, J., 2015, Five year evaluation of Permeable Pavements, TRCA, Toronto, Ontario</ref>||Five growing seasons||Silty clay||1:1||<10 cm; flow rate control||45%

|Permeable Pavement<ref>Van Seters, T. and Drake, J., 2015, Five year evaluation of Permeable Pavements, TRCA, Toronto, Ontario</ref>||5 growing seasons||Silty clay||1:1||<10 cm; flow rate control||45%

|-

|-

|Bioretention<ref>STEP study ongoing (2017)</ref>||One growing season||Silty clay||10:1||<10 cm; flow rate control||83%

|Bioretention<ref>STEP study ongoing (2017)</ref>||1 growing season||Silty clay||10:1||<10 cm; flow rate control||83%

|-

|-

|Bioretention <ref>Van Seters T and Graham C, 2014, Performance Evaluation of a Bioretention System, TRCA, Toronto, Ontario</ref>||Two years||Silty clay||11:1||<10 cm; flow rate control||91%

|Bioretention <ref>Van Seters T and Graham C, 2014, Performance Evaluation of a Bioretention System, TRCA, Toronto, Ontario</ref>||Two years||Silty clay||11:1||<10 cm; flow rate control||91%

|-

|-

|Infiltration chamber<ref name = "DY 2013">Young D, Van Seters T, Graham, C, 2013, Evaluation of Residential Lot Level Stormwater Practices – tech brief</ref>||Two years||Sandy silt||20:1||Approx.: 1.2 m||90%

|Infiltration chamber<ref name = "DY 2013">Young D, Van Seters T, Graham, C, 2013, Evaluation of Residential Lot Level Stormwater Practices – tech brief</ref>||2 years||Sandy silt||20:1||Approx.: 1.2 m||90%

|-

|-

|Infiltration trench<ref name = "DY 2013"></ref>||Two years||Clayey silt||64:1||2 m||36%

|Infiltration trench<ref name = "DY 2013"></ref>||2 years||Clayey silt||64:1||2 m||36%

|-

|-

|Infiltration trench<ref name = "DY 2013"></ref>||Two years||Clayey silt||155:1||2 m||16%

|Infiltration trench<ref name = "DY 2013"></ref>||2 years||Clayey silt||155:1||2 m||16%

|-

|-

|Infiltration trench<ref>SWAMP, 2005.  Performance Assessment of a Perforated Pipe Stormwater Exfiltration system, Toronto, Ontario, TRCA, Toronto, Ontario</ref>||Two years||Clay to clay silt till over silty sand till||Approx: 7:1||0.65 m||>90%

|Exfiltration trench<ref>SWAMP, 2005.  Performance Assessment of a Perforated Pipe Stormwater Exfiltration system, Toronto, Ontario, TRCA, Toronto, Ontario</ref>||2 years||Clay to clay silt till over silty sand till||Approx: 7:1||0.65 m||>90%

|-

|-

|Infiltration trench<ref>SWAMP, 2002, Performance Assessment of a Swale Perforated Pipe Stormwater Infiltration System, TRCA, Toronto Ontario</ref>||Two years||Silty sand with clayey silt deposits||Approx: 4:1||1 m||89%

|Infiltration trench<ref>SWAMP, 2002, Performance Assessment of a Swale Perforated Pipe Stormwater Infiltration System, TRCA, Toronto Ontario</ref>||2 years||Silty sand with clayey silt deposits||Approx: 4:1||1 m||89%

|-

|-

|Permeable pavement + bioretention<ref>CVCa</ref>||Four years||Clayey silt on silt till||Approx: 6:1||?||80%

|Permeable pavement + bioretention<ref>CVCa</ref>||4 years||Clayey silt on silt till||Approx: 6:1||?||80%

|-

|-

|Bioretention<ref>CVCb</ref>||Four years||Silty clay||Approx.: 10:1||?||92%

|Bioretention<ref>CVCb</ref>||4 years||Silty clay||Approx.: 10:1||?||92%

|-

|-

|Bioretention<ref>CVCc</ref>||Four years||Silty clay fill over clay till||30:1||?||72%

|Bioretention<ref>CVCc</ref>||4 years||Silty clay fill over clay till||30:1||?||72%

|-

|-

|Permeable pavement<ref>CVCd</ref>||Four years||Silty clay fill over clay till||1:1||?||?

|Permeable pavement<ref>CVCd</ref>||4 years||Silty clay fill over clay till||1:1||?||?

|}

|}

<nowiki>*</nowiki>Represents depth of sump below underdrain or outflow pipe.  In some cases, a flow control device was installed to slow outflow rates and enhance infiltration

<nowiki>*</nowiki>Represents depth of sump below underdrain or outflow pipe.  In some cases, a flow control device was installed to slow outflow rates and enhance infiltration