Changes

. https://pure.sruc.ac.uk/ws/portalfiles/portal/74040133/D3EW00054K_authors_accepted_version.pdf</ref>. In Delaware, two roadside filter strips amended with biochar reduced peak flow and runoff volume, but showed no notable change in pollutant concentrations (Center for Watershed Protection, Inc., 2025) <ref>Center for Watershed Protection, Inc. 2025. Biochar for bioretention systems: A Review of Biochar use in Bioretentions, Biofilters, and Bioretention Soil Media. https://www.chesapeakebay.net/files/documents/Appendix-A-Biochar-for-Bioretention-Systems_Literature-Review-031725.pdf</ref>.

. https://pure.sruc.ac.uk/ws/portalfiles/portal/74040133/D3EW00054K_authors_accepted_version.pdf</ref>. In Delaware, two roadside filter strips amended with biochar reduced peak flow and runoff volume, but showed no notable change in pollutant concentrations (Center for Watershed Protection, Inc., 2025) <ref>Center for Watershed Protection, Inc. 2025. Biochar for bioretention systems: A Review of Biochar use in Bioretentions, Biofilters, and Bioretention Soil Media. https://www.chesapeakebay.net/files/documents/Appendix-A-Biochar-for-Bioretention-Systems_Literature-Review-031725.pdf</ref>.

No evidence was found of biochar being used for LID projects in Ontario yet. If you have used biochar in LID design, please let us know.

No evidence was found of biochar being used for LID projects in Ontario yet. However, biochar is recommended on a trial/limited basis as a planting enhancement material for Toronto Green Streets (City of Toronto, 2017) <ref>City of Toronto. 2017. Toronto Green Streets Vegetation Selection Tool. https://www.toronto.ca/wp-content/uploads/2017/11/9844-2017_V-1.0_CoT-Green-Streets_Vegetation-Selection-Tool.xlsx</ref>. If you have used biochar in LID design, please let us know.

===Benefits===

===Benefits===