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The heavy metals noted as particularly harmful to aquatic ecosystems are: ...for Stormwater Harvesting: Understanding the Treatment Performance of Key Metals That Pose a Risk for Water Use. Environ Sci Technol. 2012;46(9):5100-5108.

...ives to enhance retention of phosphorus and other types of pollutants in [[Bioretention]], [[Bioswale]], [[Stormwater Planter]] and [[Stormwater Tree Trenches| Sto ...s were found to be all below 30 mg/L. TSS concentrations in effluent from bioretention was found to exceed 30 mg/L in only 15% of the 301 monitored storm events,

...strated to improve nutrient removal from discharge water in BMPs such as [[bioretention]] systems, [[stormwater planters]], [[absorbent landscapes]], [[sand filter ...ainabletechnologies.ca/app/uploads/2019/06/improving-nutrient-retention-in-bioretention-tech-brief.pdf</ref>.

[[File:Sandy Bioretention Soil Mix.jpg|thumb|Sandy filter media mix.]] [[File:Media hand.jpg|thumb|Filter media being used for an online [[bioswale|bioretention swale]] (also of previous, more sandy specification)]]

...ar on leaching of organic carbon, nitrogen, and phosphorus from compost in bioretention systems. Science of the Total Environment. 2015;521-522: 37-45. doi: 10.101 ...LID systems with biochar has shown promise for improved removal of [[heavy metals]], bacteria, [[Water quality#nutrients|nutrients]], and TOrCs. <ref>Ulrich

...lizing sediment and debris capture in a small area near the inlet to the [[bioretention]] feature helps simplify maintenance (City of Toronto, 2021<ref>City of Tor ...e, known as a "Sediment Pad" shown being used at the curb [[inlet]] of a [[bioretention]] cell on Danforth Av. to capture coarse sediment, trash and debris in inf

...opper or cadmium). This may increase the downstream concentration of these metals <ref>Amrhein, C., Strong, J.E., and Mosher, P.A. 1992. Effect of de-icing s ...es receiving de-icing salt laden runoff have found concentrations of heavy metals that exceed drinking water standards <ref>Howard, K.W.F. and Beck, P.J. 199

...uately treat other pollutants of concern, such as nutrients, pathogens and metals. ...inimized through practices that either evapotranspire (e.g., green roofs, bioretention), or harvest runoff for

* [[Bioretention: Filter media|Filter Media Blend A]]<br> * [[Bioretention: Filter media|Filter Media Blend B]]<br>

...ID type, phosphorus exists in the soil/media as well. Such LIDs include, [[bioretention]], [[enhanced swales|enhanced grass swales]], [[vegetated filter strips]], .... F., Jarrett, A. R., Smith, J. T., and Sharkey, L. J. (2006).“Evalu-ating bioretention hydrology and nutrient removal at three field sites in North Carolina.” J

...ion of fine sediments from atmospheric deposition, oil, grease and [[heavy metals]] (including Cd, Cu, Fe, Ni, Pb, Zn, etc.) from vehicular traffic and indus ...pe detention and polishing process. While many LID practices – including [[bioretention]], soakaway pits and others – are not necessarily intended to remedy issu

* [[Bioretention]] [[File:Example.jpg|thumb|The bioretention area installed at O’Connor Park in Mississauga is part of a stormwater ma

...and H.W., Goh. 2022. Effects of Vegetation and Saturated Zone in Cascaded Bioretention on Enhancing Nutrient Removal. Environmental Engineering Research, 28(3), p ...of dissolved pollutants in urban storm water and their removal and fate in bioretention cells. Journal of Environmental Engineering, 141(1), 04014050.</ref>).

...sult, roof runoff typically contains significantly lower levels of [[heavy metals]], petroleum hydrocarbons and salt. ...ay include asphalt granules, low levels of hydrocarbons and [[Heavy metals|metals]] from decomposition of roofing materials, animal droppings, natural organi

...and may also target removal of dissolved pollutants such as phosphorus or metals through biological and/or chemical processes. ...https://sustainabletechnologies.ca/app/uploads/2020/06/High-rate-treatment-bioretention-filter-tech-brief.pdf</ref>.]]

...ilter media layer, mulch and vegetation. Other design variations include [[Bioretention: Full infiltration|'''full infiltration''']] and [[Stormwater planters|'''n rect 1295 3183 1348 3254 [[Bioretention: Internal water storage|Internal Water Storage]]

...asin outlet, but water may also be directed to a downstream practice (e.g. bioretention, swale). Another option is a gravel diaphragm or trench along the downgradi ...-compressed.pdf TRCA (2008)]</span><ref>TRCA. 2008. Permeable Pavement and Bioretention Swale Demonstration Project. Seneca College, King City, Ontario. https://su

...structure, hydraulic properties and fertility. Salt can also cause trace metals to be leached from the soil and into groundwater (e.g. Norrström and Bergs ...ay, Z. X. Yang, T. A. Nguyen and Y. J. Liu (2009). Corrosion of Deicers to Metals in Transportation Infrastructure: Introduction and Recent Developments. Cor

rect 1636 3463 1691 3632 [[Bioretention: Internal water storage|Internal Water Storage]] rect 845 3081 2058 3636 [[Bioretention: Filter media|Filter Media]]