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Nacto Sumpinlet bio.jpg| An inlet sump leading into a bioretention bump out for traffic calming. Inlet sumps help both settle and separate sediment from stormwater road runoff before depositing excess sediment and silt into an infiltration BMP. These sumps allow stormwater to flow into the feature through an [[underdrain]] pipe (Source: NACTO, 2017)<ref>National Association of City Transportation Officials (NACTO). 2017. Urban Street Stormwater Guide - Inlet Design. Retrieved from: https://nacto.org/publication/urban-street-stormwater-guide/stormwater-elements/bioretention-design-considerations/inlet-design/</ref>
Nacto Sumpinlet bio.jpg| An inlet sump leading into a bioretention bump out for traffic calming. Inlet sumps help both settle and separate sediment from stormwater road runoff before depositing excess sediment and silt into an infiltration BMP. These sumps allow stormwater to flow into the feature through an [[underdrain]] pipe (Source: NACTO, 2017)<ref>National Association of City Transportation Officials (NACTO). 2017. Urban Street Stormwater Guide - Inlet Design. Retrieved from: https://nacto.org/publication/urban-street-stormwater-guide/stormwater-elements/bioretention-design-considerations/inlet-design/</ref>
File:Sump inelt to chamber system.JPG| Example of a sump inlet allowing sediment to settle out of influent stormwater before entering a large [[infiltration chamber]] housed under the parking lot (Source: Philadelphia Water Department. 2020)<ref>Philadelphia Water Department. 2020. Stormwater Management Guidance Manual: Version 3.2. Accessed from: https://www.pwdplanreview.org/upload/manual_pdfs/PWD-SMGM-v3.2-20201001.pdf</ref>
File:Sump inelt to chamber system.JPG| Example of a sump inlet allowing sediment to settle out of influent stormwater before entering a large [[infiltration chamber]] housed under the parking lot (Source: Philadelphia Water Department. 2020)<ref>Philadelphia Water Department. 2020. Stormwater Management Guidance Manual: Version 3.2. Accessed from: https://www.pwdplanreview.org/upload/manual_pdfs/PWD-SMGM-v3.2-20201001.pdf</ref>
File:Bioretention inlet.JPG| Example of a proprietary inlet device known as a [https://rainguardian.biz/project-planing/chamber-selection Rain Guardian Bunker], that was installed at the [https://www.deeproot.com/case-studies/silva-cell/morningside-avenue-in-toronto-utilizes-low-impact-development-in-pedestrian-friendly-project/ Morningside Extension Project] in Scarborough, ON.
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