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===Infiltration===
 
===Infiltration===
 
For information about constraints to infiltration practices, and approaches and tools for identifying and designing within them see [[Infiltration]].
 
For information about constraints to infiltration practices, and approaches and tools for identifying and designing within them see [[Infiltration]].
For guidance on infiltration testing and selecting a design infiltration rate see [[Design infiltration rate]].
      
===Site Topography===
 
===Site Topography===
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For more information on planning considerations and site constraints see [[Site considerations]].
+
For a table summarizing information on planning considerations and site constraints see [[Site considerations]].
    
==Design==
 
==Design==
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|-
 
|rowspan="4" style="text-align: center;" | Bioretention without underdrain
 
|rowspan="4" style="text-align: center;" | Bioretention without underdrain
 +
|style="text-align: center;" |China
 +
|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on SWMM and RECARGA models applied to generate the runoff reduction percentages of a bioretention installation near one of China's and  expressway service area.">85 to 100%*</span></u>'''
 +
|style="text-align: center;" |Gao, ''et al.'' (2018)<ref>Gao, J., Pan, J., Hu, N. and Xie, C., 2018. Hydrologic performance of bioretention in an expressway service area. Water Science and Technology, 77(7), pp.1829-1837.</ref>
 +
|-
 
|style="text-align: center;" |Connecticut
 
|style="text-align: center;" |Connecticut
 
|style="text-align: center;" |99%
 
|style="text-align: center;" |99%
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|style="text-align: center;" |70%
 
|style="text-align: center;" |70%
 
|style="text-align: center;" |Emerson and Traver (2004)<ref>Emerson, C., Traver, R. 2004. The Villanova Bio-infiltration Traffic Island: Project Overview. Proceedings of 2004 World Water and Environmental Resources Congress (EWRI/ASCE). Salt Lake City, Utah, June 22 – July 1, 2004. https://ascelibrary.org/doi/book/10.1061/9780784407370</ref>
 
|style="text-align: center;" |Emerson and Traver (2004)<ref>Emerson, C., Traver, R. 2004. The Villanova Bio-infiltration Traffic Island: Project Overview. Proceedings of 2004 World Water and Environmental Resources Congress (EWRI/ASCE). Salt Lake City, Utah, June 22 – July 1, 2004. https://ascelibrary.org/doi/book/10.1061/9780784407370</ref>
|-
  −
|style="text-align: center;" |China
  −
|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on SWMM and RECARGA models applied to generate the runoff reduction percentages of a bioretention installation near one of China's and  expressway service area.">85 to 100%*</span></u>'''
  −
|style="text-align: center;" |Gao, ''et al.'' (2018)<ref>Gao, J., Pan, J., Hu, N. and Xie, C., 2018. Hydrologic performance of bioretention in an expressway service area. Water Science and Technology, 77(7), pp.1829-1837.</ref>
   
|-
 
|-
 
|rowspan="8" style="text-align: center;" | Bioretention with underdrain
 
|rowspan="8" style="text-align: center;" | Bioretention with underdrain
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|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on differences in runoff volume between the practice and a conventional impervious surface over the period of monitoring.">82%*</span></u>'''
 
|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on differences in runoff volume between the practice and a conventional impervious surface over the period of monitoring.">82%*</span></u>'''
 
|style="text-align: center;" |Mahmoud, ''et al.'' (2019)<ref>Mahmoud, A., Alam, T., Rahman, M.Y.A., Sanchez, A., Guerrero, J. and Jones, K.D. 2019. Evaluation of field-scale stormwater bioretention structure flow and pollutant load reductions in a semi-arid coastal climate. Ecological Engineering, 142, p.100007. https://www.sciencedirect.com/science/article/pii/S2590290319300070</ref>
 
|style="text-align: center;" |Mahmoud, ''et al.'' (2019)<ref>Mahmoud, A., Alam, T., Rahman, M.Y.A., Sanchez, A., Guerrero, J. and Jones, K.D. 2019. Evaluation of field-scale stormwater bioretention structure flow and pollutant load reductions in a semi-arid coastal climate. Ecological Engineering, 142, p.100007. https://www.sciencedirect.com/science/article/pii/S2590290319300070</ref>
 +
|-
 +
|style="text-align: center;" |China
 +
|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on SWMM and RECARGA models applied to generate the runoff reduction percentages of a bioretention installation near one of China's and  expressway service area.">35 to 75%*</span></u>'''
 +
|style="text-align: center;" |Gao, ''et al.'' (2018)<ref>Gao, J., Pan, J., Hu, N. and Xie, C., 2018. Hydrologic performance of bioretention in an expressway service area. Water Science and Technology, 77(7), pp.1829-1837.</ref>
 +
|-
 +
|style="text-align: center;" |Ohio
 +
|style="text-align: center;" |36 to 59%
 +
|style="text-align: center;" |Winston ''et al.'' (2016). <ref>Winston, R.J., Dorsey, J.D. and Hunt, W.F. 2016. Quantifying volume reduction and peak flow mitigation for three bioretention cells in clay soils in northeast Ohio. Science of the Total Environment, 553, pp.83-95.</ref>
 
|-
 
|-
 
|style="text-align: center;" |Virginia
 
|style="text-align: center;" |Virginia
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|style="text-align: center;" |DeBusk and Wynn (2011)<ref>DeBusk, K.M. and Wynn, T.M., 2011. Storm-water bioretention for runoff quality and quantity mitigation. Journal of Environmental Engineering, 137(9), pp.800-808. https://www.webpages.uidaho.edu/ce431/Articles/DeBusk-ASCE-2011.pdf</ref>
 
|style="text-align: center;" |DeBusk and Wynn (2011)<ref>DeBusk, K.M. and Wynn, T.M., 2011. Storm-water bioretention for runoff quality and quantity mitigation. Journal of Environmental Engineering, 137(9), pp.800-808. https://www.webpages.uidaho.edu/ce431/Articles/DeBusk-ASCE-2011.pdf</ref>
 
|-
 
|-
|style="text-align: center;" |China
+
|style="text-align: center;" |Maryland and North Carolina
|style="text-align: center;" |'''<u><span title="Note: Runoff reduction estimates are based on SWMM and RECARGA models applied to generate the runoff reduction percentages of a bioretention installation near one of China's and  expressway service area.">35 to 75%*</span></u>'''
+
|style="text-align: center;" |20 to 50%
|style="text-align: center;" |Gao, ''et al.'' (2018)<ref>Gao, J., Pan, J., Hu, N. and Xie, C., 2018. Hydrologic performance of bioretention in an expressway service area. Water Science and Technology, 77(7), pp.1829-1837.</ref>
+
|style="text-align: center;" |Li ''et al.'' (2009). <ref>Li, H., Sharkey, L.J., Hunt, W.F., and Davis, A.P. 2009. Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland. Journal of Hydrologic Engineering. Vol. 14. No. 4. pp. 407-415.</ref>
 
|-
 
|-
 
|style="text-align: center;" |North Carolina
 
|style="text-align: center;" |North Carolina
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|style="text-align: center;" |33 to 50%
 
|style="text-align: center;" |33 to 50%
 
|style="text-align: center;" |Hunt and Lord (2006). <ref>Hunt, W.F. and Lord, W.G. 2006. Bioretention Performance, Design, Construction, and Maintenance. North Carolina Cooperative Extension Service Bulletin. Urban Waterways Series. AG-588-5. North Carolina State University. Raleigh, NC.</ref>
 
|style="text-align: center;" |Hunt and Lord (2006). <ref>Hunt, W.F. and Lord, W.G. 2006. Bioretention Performance, Design, Construction, and Maintenance. North Carolina Cooperative Extension Service Bulletin. Urban Waterways Series. AG-588-5. North Carolina State University. Raleigh, NC.</ref>
|-
  −
|style="text-align: center;" |Maryland and North Carolina
  −
|style="text-align: center;" |20 to 50%
  −
|style="text-align: center;" |Li ''et al.'' (2009). <ref>Li, H., Sharkey, L.J., Hunt, W.F., and Davis, A.P. 2009. Mitigation of Impervious Surface Hydrology Using Bioretention in North Carolina and Maryland. Journal of Hydrologic Engineering. Vol. 14. No. 4. pp. 407-415.</ref>
  −
|-
  −
|style="text-align: center;" |Ohio
  −
|style="text-align: center;" |36 to 59%
  −
|style="text-align: center;" |Winston ''et al.'' (2016). <ref>Winston, R.J., Dorsey, J.D. and Hunt, W.F. 2016. Quantifying volume reduction and peak flow mitigation for three bioretention cells in clay soils in northeast Ohio. Science of the Total Environment, 553, pp.83-95.</ref>
   
|-
 
|-
 
|rowspan="5" style="text-align: center;" | Bioretention with underdrain & liner
 
|rowspan="5" style="text-align: center;" | Bioretention with underdrain & liner
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|style="text-align: center;" |15 to 34%
 
|style="text-align: center;" |15 to 34%
 
|style="text-align: center;" |<span class="plainlinks">[https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf STEP (2019)]</span> <ref>STEP. 2019. Comparative Performance Assessment of Bioretention in Ontari0. Technical Brief. https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf.</ref>
 
|style="text-align: center;" |<span class="plainlinks">[https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf STEP (2019)]</span> <ref>STEP. 2019. Comparative Performance Assessment of Bioretention in Ontari0. Technical Brief. https://sustainabletechnologies.ca/app/uploads/2019/10/STEP_Bioretention-Synthesis_Tech-Brief-New-Template-2019-Oct-10.-2019.pdf.</ref>
|-
  −
|style="text-align: center;" |Maryland
  −
|style="text-align: center;" |49 to 58%
  −
|style="text-align: center;" |Davis (2008). <ref>Davis, A.P. 2008. Field performance of bioretention: Hydrology impacts. Journal of hydrologic engineering, 13(2), pp.90-95. https://ascelibrary.org/doi/abs/10.1061/(ASCE)1084-0699(2008)13:2(90)</ref>
   
|-
 
|-
 
|style="text-align: center;" |Queensland, Australia  
 
|style="text-align: center;" |Queensland, Australia  
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|style="text-align: center;" |15 to 83%
 
|style="text-align: center;" |15 to 83%
 
|style="text-align: center;" |Hatt ''et al.'' (2009). <ref>Hatt, B. E., Fletcher, T. D., & Deletic, A. 2009. Hydrologic and pollutant removal performance of stormwater biofiltration systems at the field scale. Journal of Hydrology, 365(3), 310-321. doi:http://dx.doi.org/10.1016/j.jhydrol.2008.12.001</ref>
 
|style="text-align: center;" |Hatt ''et al.'' (2009). <ref>Hatt, B. E., Fletcher, T. D., & Deletic, A. 2009. Hydrologic and pollutant removal performance of stormwater biofiltration systems at the field scale. Journal of Hydrology, 365(3), 310-321. doi:http://dx.doi.org/10.1016/j.jhydrol.2008.12.001</ref>
 +
|-
 +
|style="text-align: center;" |Maryland
 +
|style="text-align: center;" |49 to 58%
 +
|style="text-align: center;" |Davis (2008). <ref>Davis, A.P. 2008. Field performance of bioretention: Hydrology impacts. Journal of hydrologic engineering, 13(2), pp.90-95. https://ascelibrary.org/doi/abs/10.1061/(ASCE)1084-0699(2008)13:2(90)</ref>
 
|-
 
|-
 
| colspan="2" style="text-align: center;" |'''<u><span title="Note: This estimate is provided only for the purpose of initial screening of LID practices suitable for achieving stormwater management objectives and targets.  Performance of individual facilities will vary depending on site specific contexts and facility design parameters and should be estimated as part of the design process and submitted with other documentation for review by the approval authority." >Runoff Reduction Estimate*</span></u>'''
 
| colspan="2" style="text-align: center;" |'''<u><span title="Note: This estimate is provided only for the purpose of initial screening of LID practices suitable for achieving stormwater management objectives and targets.  Performance of individual facilities will vary depending on site specific contexts and facility design parameters and should be estimated as part of the design process and submitted with other documentation for review by the approval authority." >Runoff Reduction Estimate*</span></u>'''

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