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Line 41: − + − + − *[https://etvcanada.ca/wp-content/uploads/2022/03/ISO-14034-ETV-VS-ENVIROBASIN_2021-2024.pdf Littatrap (Now, EnviroBasin™)] + Line 65:
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Line 88: − *[https://etvcanada.ca/wp-content/uploads/2022/09/ISO-14034-ETV-Verification-Statement-Kraken-NJDEP_2022-2025.pdf Kraken Membrane Filtration (NJ DEP)] Line 92:
Line 95: − *[https://etvcanada.ca/wp-content/uploads/2023/06/ISO-14034-ETV-Contech-StormFilter_NJDEP_2023-06-30Final.pdf The Stormwater Management StormFilter (NJDEP)]
→Concentrated underground flow
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[[File:Sediment pad Toronto.JPG|thumb|450px|Another example of the City of Toronto's non-proprietary pre-treatment device, 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 influent entering the BMP.]]
==Overland sheet flow==
==Overland sheet flow==
The following pretreatement features are recommended where surface sheet flow is being directed to a BMP (e.g. a [[Bioretention cells|bioretention cell]]) receiving flow from the edge of an impermeable surface such as an asphalt parking lot or a paved plaza:
The following pretreatement features are recommended where surface sheet flow is being directed to a BMP (e.g. a [[Bioretention cells|bioretention cell]]) receiving flow from the edge of an impermeable surface such as an asphalt parking lot or a paved plaza:
!style="width: 10%;"|Type
!style="width: 10%;"|Type
!style="width: 40%;"|Description
!style="width: 40%;"|Description
!style="width: 25%;"|ETV Canada verified products
!style="width: 25%;"|Canadian ETV verified products
!style="width: 25%;"|Other products (not verified)
!style="width: 25%;"|Other products (not verified)
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|Collects and settles debris as overland flow passes through sump to treatment practice.||
|Collects and settles debris as overland flow passes through sump to treatment practice.||
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*Catch basin or other non-proprietary pre-fabricated inlet structure sump. Small forebays may also be used for treatments systems receiving concentrated overland flow’
*Catchbasin or other non-proprietary pre-fabricated inlet structure sump. Small forebays may also be used for treatments systems receiving concentrated overland flow’
*[https://www.rainguardian.biz/ Rain Guardian]
*[https://www.rainguardian.biz/ Rain Guardian]
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!Catch basin inserts
!Catchbasin inserts
|Great for improving water quality in retrofit situations
|Great for improving water quality in retrofit situations
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*[https://etvcanada.ca/wp-content/uploads/2019/10/ISO-14034-ETV-Verification-Renewal-CB-Shield_2019-2022.pdf CB Shield]
*[https://etvcanada.ca/wp-content/uploads/2019/10/ISO-14034-ETV-Verification-Renewal-CB-Shield_2019-2022.pdf CB Shield]
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*[http://www.bmpinc.com/ Snout]
*[http://www.bmpinc.com/ Snout]
*[https://www.enviropod.com/en-ca/products/littatrap Littatrap]
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!Oil and grit (hydrodynamic) separators
!Oil and grit (hydrodynamic) separators
*[http://upstreamtechnologies.us/products/safl.shtml SAFL Baffle]
*[http://upstreamtechnologies.us/products/safl.shtml SAFL Baffle]
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!Manhole baffles
!Catchbasin & Manhole baffles
|Baffles slow flow, encouraging larger, heavier particles to drop out of the water column. A skimmer may also trap floating debris, oils and grease.||
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Baffles slow flow, encouraging larger, heavier particles to drop out of the water column. A skimmer may also trap floating debris, oils and grease.|
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*[https://etvcanada.ca/wp-content/uploads/2022/03/ISO-14034-ETV-VS-ENVIROBASIN_2021-2024.pdf EnviroBasin]
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*[http://upstreamtechnologies.us/products/safl.shtml SAFL Baffle]
*[http://upstreamtechnologies.us/products/safl.shtml SAFL Baffle]
*[https://etvcanada.ca/wp-content/uploads/2022/03/ISO14034-ETV-VS_Imbrium-Jellyfish-Filter_2022-2025.pdf Jellyfish Filter (TAPE)]
*[https://etvcanada.ca/wp-content/uploads/2022/03/ISO14034-ETV-VS_Imbrium-Jellyfish-Filter_2022-2025.pdf Jellyfish Filter (TAPE)]
*[https://etvcanada.ca/wp-content/uploads/2022/09/ISO-14034-ETV-Verification-Statement-Kraken-TAPE_2022-2025.pdf Kraken Membrane Filtration (TAPE)]
*[https://etvcanada.ca/wp-content/uploads/2022/09/ISO-14034-ETV-Verification-Statement-Kraken-TAPE_2022-2025.pdf Kraken Membrane Filtration (TAPE)]
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*[https://etvcanada.ca/wp-content/uploads/2021/12/ISO14034-ETV-VS_Imbrium-Filterra_2021-2024.pdf Filterra]
*[https://etvcanada.ca/wp-content/uploads/2021/12/ISO14034-ETV-VS_Imbrium-Filterra_2021-2024.pdf Filterra]
*[https://www.verifiglobal.com/media/zoinc1we/verifiglobal-verification-statement-for-baysaver-bayfilter-final-for-posting-2018-10-29.pdf BaySaver BayFilter]
*[https://www.verifiglobal.com/media/zoinc1we/verifiglobal-verification-statement-for-baysaver-bayfilter-final-for-posting-2018-10-29.pdf BaySaver BayFilter]
*[https://etvcanada.ca/wp-content/uploads/2023/06/ISO-14034-ETV-Contech-StormFilter_TAPE_2023-06-30-Final.pdf The Stormwater Management StormFilter (TAPE)]
*[https://etvcanada.ca/wp-content/uploads/2023/06/ISO-14034-ETV-Contech-StormFilter_TAPE_2023-06-30-Final.pdf The Stormwater Management StormFilter (TAPE)]
*[https://www.verifiglobal.com/media/fl2dqtrj/vg20190601-hi-uff-verification-statement-final-amended-2-20200513-for-posting.pdf Up-Flo Filter]
*[https://www.verifiglobal.com/media/fl2dqtrj/vg20190601-hi-uff-verification-statement-final-amended-2-20200513-for-posting.pdf Up-Flo Filter]