Changes

*[[Pretreatment features| Forebays]] (well suited for bioretention cells);

*[[Pretreatment features| Forebays]] (well suited for bioretention cells);

* [[Stone]] and [[geotextile]] filter: A shallow excavation on the filter media bed surface at the inlet, lined with geotextile and rip rap or decorative stone cover; and,

* [[Stone]] and [[geotextile]] filter: A shallow excavation on the filter media bed surface at the inlet, lined with geotextile and rip rap or decorative stone cover; and,

*[[Sand filters]] (well suited for underground [[infiltration]]).

*[[Sand filters]] (well suited for underground [[infiltration]]);

*Concrete sump pretreatment device. [https://acfenvironmental.com/products/stormwater-management/filtration/rain-guardian/ Rain Guardian] is one example of a proprietary sump device.

==Concentrated underground flow==

==Concentrated underground flow==

!style="width: 25%;"|ETV products

!style="width: 25%;"|ETV products

!style="width: 25%;"|Other products (not verified)

!style="width: 25%;"|Other products (not verified)

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!Manhole baffles

!Manhole baffles

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!Cartridge filters

!Isolated chamber row filter

|Uses advanced membrane technology adapted from water treatment plants.

|Separate rows at inlets, not connected by pipes to the other chambers, that isolate the bulk of sediment and associated pollutants and designed for ease of access by jet flushing cleaning equipment.

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*[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish filter]

*[https://cultec.com/products/separator-row/ Cultec Separator Row]

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!Media filters

!Membrane filters

|A variety of proprietary designs and media mixes are available.

|Uses advanced membrane technology adapted from water treatment plants.

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*[http://www.imbriumsystems.com/stormwater-treatment-solutions/filterra Filterra biofiltration system]

*[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish Filter]

*[https://www.hydro-int.com/en/products/flo-filter Up-Flo filter]

*[https://baysaver.com/products/bayfilter/ BaySaver BayFilter]

*[https://biocleanenvironmental.com/kraken-filter Kraken Filter]

*[https://biocleanenvironmental.com/kraken-filter Kraken Filter]

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!Catch basin inserts

!Media filters

|Great for improving water quality in retrofit situations

|A variety of proprietary designs and media mixes are available.

*[http://www.cbshield.com/ CB Shield]

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*[https://www.enviropod.com/products/littatrap Littatrap]

*[http://www.imbriumsystems.com/stormwater-treatment-solutions/filterra Filterra]

*[http://www.bmpinc.com/ Snout]

*[https://baysaver.com/products/bayfilter/ BayFilter]

*[https://www.conteches.com/stormwater-management/treatment/stormwater-management-stormfilter StormFilter]

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!Isolated chamber row filter

!Overland flow sumps

|Separate rows at inlets, not connected by pipes to the other chambers, that isolates the bulk of sediment and associated pollutants and is designed for ease of access by jet flushing cleaning equipment.

|Collects and settles debris as overland flow passes through sump to treatment device.||

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