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<td>OGS Baffles</td><td>Baffles slow flow, encouraging larger, heavier particles to drop out of the water column. A skimmer may also trap floating debris, oils and grease. </td><td>-</td><td></td></tr><tr><td>Hydrodynamic OGS</td><td>The shape causes rapidly flowing water to form a vortex which forces the larger, heavier particles are outwards and downwards into a lower chamber. Floating debris, oils and grease are trapped behind a baffle or in small tank area, towards the top of the main vortex chamber</td><td>[http://www.conteches.com/Products/Stormwater-Management/Treatment/CDS.aspx CDS]<br>[https://www.hydro-int.com/en/products/downstream-defender Downstream defender]<br>[http://nextstorm.ca/sdd/ SDD]</td><td> [http://www.imbriumsystems.com/stormwater-treatment-solutions/stormceptor-systems Stormceptor]</td></tr><tr><td>Cartridge filters</td><td>Uses membrane technology adopted from water treatment plants. </td><td>-</td><td>[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish filter]</td></tr><tr><td>Catchbasin inserts</td><td>Great for retrofitting situations, to improve water quality</td><td>[http://www.cbshield.com/ CB Shield]</td><td> [http://upstreamtechnologies.us/products/snout.shtml Snout]</td></tr></table>===External resources===<ul><li>[https://www.cmhc-schl.gc.ca/en/inpr/su/waho/waho_015.cfm CMHC OGS Effectiveness Study]</li></ul>
→Concentrated underground flow
!OGS Baffles
!OGS 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.||-||[http://upstreamtechnologies.us/products/safl.shtml SAFL baffle]
|Baffles slow flow, encouraging larger, heavier particles to drop out of the water column. A skimmer may also trap floating debris, oils and grease.||-||[http://upstreamtechnologies.us/products/safl.shtml SAFL baffle]
|-
!Hydrodynamic OGS
|The shape causes rapidly flowing water to form a vortex which forces the larger, heavier particles are outwards and downwards into a lower chamber. Floating debris, oils and grease are trapped behind a baffle or in small tank area, towards the top of the main vortex chamber||[http://www.conteches.com/Products/Stormwater-Management/Treatment/CDS.aspx CDS]<br>[https://www.hydro-int.com/en/products/downstream-defender Downstream defender]<br>[http://nextstorm.ca/sdd/ SDD]
||[http://www.imbriumsystems.com/stormwater-treatment-solutions/stormceptor-systems Stormceptor]
|-
!Cartridge filters
|Uses advanced membrane technology adopted from water treatment plants.||-||[http://www.imbriumsystems.com/stormwater-treatment-solutions/jellyfish-filter Jellyfish filter]
|-
!Catchbasin inserts
|Great for improving water quality in retrofit situations||[http://www.cbshield.com/ CB Shield]||[http://upstreamtechnologies.us/products/snout.shtml Snout]
|}
|}
==External resources==
*[https://www.cmhc-schl.gc.ca/en/inpr/su/waho/waho_015.cfm CMHC OGS Effectiveness Study]
This article is particularly heavy on proprietary systems and information. Please inform us of any omissions or broken links using the box below:
This article is particularly heavy on proprietary systems and information. Please inform us of any omissions or broken links using the box below:
[[category: Pretreatment]]
[[category: Pretreatment]]