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• Screening and straining devices - system and component sizing
  ...ges/Handouts/RAIN_GUARDIAN_BUNKER_1'_TYPICAL_DETAIL_11X17.pdf see detailed schematic]</td> ...ges/Handouts/RAIN_GUARDIAN_BUNKER_1'_TYPICAL_DETAIL_11X17.pdf See detailed schematic]</td>
  2 KB (389 words) - 18:20, 3 August 2022
• Stormwater filtration BMPs – selection considerations
  <th>Pretreatment ⁴</th> [[File:Step pool schematic.png|100px|alt=step pool schematic]]</td>
  3 KB (447 words) - 15:08, 2 August 2022
• Pretreatment - Above ground and below grade storage and settling devices
  ...humb|alt=settling practice schematic|<font size=3>Proprietary example of a pretreatment (isolator) row on underground storage/filtration system by StormTech. The r Forebays are small bodies of water positioned just upstream of a larger pretreatment or treatment area. They slow the water allowing for settling of larger sedi
  7 KB (1,002 words) - 23:42, 5 December 2022
• Types of iron enhanced sand filter
  ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> per the MPCA’s [https://stormwater.pca.state.mn.us/index.php?t ...on enhanced sand filter basin|<font size=3>Iron-enhanced sand filter basin schematic showing parameters used to calculate the treatment volume capacity.</font s
  7 KB (1,032 words) - 22:42, 23 November 2022
• Filtration Summary Table
  <th>Pretreatment ⁴</th> [[File:Step pool schematic.png|100px|alt=step pool schematic]]</td>
  4 KB (692 words) - 18:22, 13 December 2022
• Common pre-storage practices used in stormwater harvesting and use systems
  [[File:Bioretention schematic underdrain.png|thumb|150px|alt=schematic showing biofiltration system.]]</td> ...mance assessment can be found [http://stormwater.pca.state.mn.us/index.php/Pretreatment here].</td>
  6 KB (924 words) - 19:45, 3 August 2022
• Stormwater sedimentation Best Management Practices
  [[File:Constructed pond 1 for credit page.jpg|thumb|200px|alt=schematic of constructed pond/wetland|<font size=3>Constructed ponds and constructed [[Category:Level 3 - Best management practices/Pretreatment practices/Settling devices]]
  1 KB (188 words) - 01:08, 8 February 2023
• Pre-treatment considerations for stormwater infiltration
  ...eatment]] can remove debris and coarser sediments in an easier-to-maintain pretreatment device that will extend the life and reduce maintenance for the infiltratio ...treatment be installed upstream of an infiltration BMP. In all other cases pretreatment is highly recommended.
  10 KB (1,453 words) - 20:44, 2 February 2023
• Design criteria for iron enhanced sand filter
  {{alert|For projects covered under a Construction Stormwater permit, pretreatment is Required for sand filtration beds.|alert-danger}} *providing [[Glossary#P|pretreatment]] (''REQUIRED''); and
  12 KB (1,856 words) - 19:00, 28 December 2022
• Hydrodynamic devices
  ...ynamic device Courtesy of Minneapolis Public Works Department|<font size=3>Schematic hydrodynamic device Courtesy of Minneapolis Public Works Department</font s ...tal suspended solids removal requirement, then the device could be used as pretreatment or supplemental to another stormwater practice. No single, stand alone devi
  5 KB (749 words) - 22:52, 3 December 2022
• Requirements, recommendations and information for using sand filter as a BMP in the MIDS calculator
  ...Note that the user must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. **Pretreatment less than 25% of water quality volume, or
  15 KB (2,395 words) - 01:30, 23 December 2022
• Overview and methods of pretreatment
  ...water.pca.state.mn.us/index.php?title=Design_criteria_for_stormwater_ponds#Pretreatment forebays].''' ...atment techniques keep a BMP from being overloaded, primarily by sediment. Pretreatment is also required for post-construction practices covered under the [https:/
  22 KB (3,030 words) - 22:32, 28 January 2023
• Overview for permeable pavement
  ...ration into permeable pavement during and after a rain event.|<font size=3>Schematic showing the process of infiltration into permeable pavement during and afte ==Pretreatment considerations==
  15 KB (2,185 words) - 19:28, 27 December 2022
• Operation and maintenance (O&M) of filter strips
  ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> vegetated filter strip ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> to other practices like <span title="Bioretention is a terrestri
  27 KB (3,909 words) - 13:37, 30 December 2022
• Stormwater infiltration
  ...gradation. Note that inflow into the practice has undergone [[Pretreatment|pretreatment]] and that once the practice is filled, runoff bypasses the practice rather **[[Pre-treatment considerations for stormwater infiltration|Pretreatment considerations for stormwater infiltration]]
  10 KB (1,412 words) - 03:39, 13 February 2023
• Requirements, recommendations and information for using bioretention BMPs in the MIDS calculator
  ...e of inputs needed for bioinfiltration in the MIDS calculator|<font size=3>Schematic showing the inputs needed for bioinfiltration in the MIDS calculator. The e [[File:MIDS bioinfiltration parameters.png|300px|thumb|alt=schematic of MIDS calculator inputs|<font size=3>Screen shot from MIDS calculator sho
  23 KB (3,556 words) - 13:18, 29 January 2023
• Types of sand (media) filters
  ...chamber. The chamber may be either wet or dry, and is generally used for [[Pretreatment]]. Runoff is then distributed into the second chamber, which consists of a ...ine or off-line in the storm drain system. The first chamber is used for [[Pretreatment]] and relies on a wet pool as well as temporary [[Glossary#R|runoff]] stora
  9 KB (1,374 words) - 18:59, 31 January 2023
• Requirements, recommendations and information for using infiltration basin/underground infiltration BMPs in the MIDS calculator
  ...tream BMP. The User must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. ...ustrating how pollutants are treated with the MIDS calculator|<font size=3>Schematic illustrating how the MIDS calculator estimates pollutant load reductions.
  22 KB (3,347 words) - 13:33, 29 January 2023
• Design, construction, operation and maintenance specifications for pretreatment vegetated filter strips
  ...This page provides information on design, construction, and maintenance of pretreatment vegetated filter strips. ...px|thumb|alt=filter strip schematic|<font size=3>Plan view schematic for a pretreatment vegetated filter strip, indicating that slope should be 0 percent perpendic
  34 KB (4,831 words) - 14:19, 6 February 2023
• Terminology for swales
  *vegetated filter or filter strip: [[Pretreatment|pretreatment]] practices *vegetated swale: can be used for pretreatment or any of the five variants discussed in this section
  9 KB (1,369 words) - 00:06, 31 January 2023
• Requirements, recommendations and information for using permeable pavement BMPs in the MIDS calculator
  ...tream BMP. The User must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. ...how pollutant reductions are achieved for permeable pavement|<font size=3>Schematic showing how pollutant reductions are achieved for permeable pavement in the
  20 KB (3,173 words) - 18:54, 23 November 2022
• Design, construction, operation and maintenance specifications for vegetated filter strips
  ...IRECT [[Design, construction, operation and maintenance specifications for pretreatment vegetated filter strips]] ...This page provides information on design, construction, and maintenance of pretreatment vegetated filter strips.
  36 KB (5,202 words) - 14:24, 6 February 2023
• Requirements, recommendations and information for using bioretention with no underdrain BMPs in the MIDS calculator
  ...Note that the user must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. ...pollutants are treated by bioinfiltration in MIDS calculator|<font size=3>Schematic showing how pollutants are treated by bioretention without an underdrain (b
  23 KB (3,549 words) - 18:50, 23 November 2022
• Stormwater preatreatment selection information
  ...ce. Each section contains a table summarizing the characteristics for each pretreatment practice within a specific type of device. ...n_information#Other_pretreatment_water_quality_devices_and_practices Other pretreatment water quality devices and practices]
  26 KB (3,853 words) - 18:47, 2 February 2023
• Scenario for developing a stormwater treatment train for a parking lot
  [[File:Parking Lot Scenario Base.PNG|thumb|300 px|alt=schematic illustrating Parking Lot Scenario Base|<font size=3>Site layout for a treat ...s Swales and strips] || X || Swales and strips may serve as a good form of pretreatment and conveyance to BMPs downstream in the treatment train.
  36 KB (5,210 words) - 22:51, 12 December 2022
• Case studies for infiltration
  ...nt resuspension and loss of fine sediments into the infiltration system. [[Pretreatment]] is consistent with the Minnesota Stormwater Manual guidance. :'''Pretreatment:''' The Preserver (Momentum Environmental) baffled sump catch basin
  19 KB (2,715 words) - 20:15, 12 December 2022
• Table of Contents test page
  ...tle=Category:Level_2_-_Best_management_practices/Pretreatment_practices '''Pretreatment practices''']</span> ...within a cylindrical chamber. This page provides links to pages addressing pretreatment hydrodynamic separation devices."> [https://stormwater.pca.state.mn.us/inde
  89 KB (12,875 words) - 13:29, 9 February 2023
• Overview for pretreatment settling devices
  ...proprietary settling.png|300px|thumb|alt=image of catch basin|<font size=3>Schematic of a catch basin. Stormwater enters through the grate or inflow pipe and la ...and biological treatment. Stormwater management processes not provided in pretreatment vegetated filter strips include filtration and sorption."> [https://stormwa
  33 KB (4,708 words) - 18:38, 13 December 2022
• Stormwater Manual Table of Contents
  ...tle=Category:Level_2_-_Best_management_practices/Pretreatment_practices '''Pretreatment practices''']</span> ...within a cylindrical chamber. This page provides links to pages addressing pretreatment hydrodynamic separation devices."> [https://stormwater.pca.state.mn.us/inde
  89 KB (12,945 words) - 15:54, 29 August 2023
• Requirements, recommendations and information for using underground infiltration BMPs in the MIDS calculator
  ...tream BMP. The User must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. ...s pollutant load reduction for infiltrated and overflow water|<font size=3>Schematic shows pollutant load reduction for infiltrated and overflow water</font siz
  24 KB (3,705 words) - 19:11, 23 November 2022
• Case studies for pretreatment
  ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> stormwater practices. Included are case studies for vegetated an ...l stormwater BMPs. Concentrated or channelized flow is not appropriate for pretreatment vegetated filter strips.
  65 KB (9,159 words) - 20:14, 28 December 2022
• Technical basis for pretreatment sizing for basins and filter strips
  ...|200px|left|thumb|alt=schematic pretreatment|<font size=3>A properly sized pretreatment practice, such as this basin, allows for sediment to settle while preventin <th><center><font size=3>'''Quick Guide for pretreatment sizing of basins'''</font size></center></th>
  44 KB (6,960 words) - 19:47, 20 February 2023
• Scenario for developing a stormwater treatment train for a retrofit site
  [[file:Retrofit Scenario Base.PNG|300px|thumb|alt=schematic showing layout for an urban retrofit treatment train scenario|<font size=3> ...zed in the following table and the existing site layout can be seen in the schematic to the right.
  31 KB (4,411 words) - 13:21, 12 February 2023
• Overview for infiltration
  ...tices.png|300px|thumb|alt=schematic of infiltration practices|<font size=3>Schematic illustrating A)infiltration trench, B) underground infiltration, C) infiltr ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> to protect the groundwater quality, particularly if soil infiltr
  23 KB (3,321 words) - 19:29, 11 August 2022
• Requirements, recommendations and information for using swale side slope as a BMP in the MIDS calculator
  [[File:Symbol for swale side slope.jpg|300px|thumb|alt=Schematic used as a symbol for swale side slope|<font size=3>Symbol for Swale side sl [[File:Swale side slope BMP parameters tab.png|300px|thumb|alt=Schematic used to show Swale side slope BMP parameters tab|<font size=3>Screen shot o
  16 KB (2,575 words) - 13:31, 29 January 2023
• Green Infrastructure benefits of harvest and use/re-use practices
  ...System Schematic|<font size=3>Example Stormwater Harvesting and Use System Schematic</font size>]] ...tormwater and rainwater harvest and use/reuse]]. Also see information on [[Pretreatment]].
  22 KB (2,986 words) - 18:16, 5 December 2022
• Requirements, recommendations and information for using trees as a BMP in the MIDS calculator
  [[File:watershed tab tree trench no underdrain.png|300px|thumb|alt=schematic of watershed tab for tree trench in MIDS calculator|<font size=3>Screen sho ...Note that the user must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box.
  33 KB (5,371 words) - 19:08, 23 November 2022
• Requirements, recommendations and information for using swale without an underdrain as a BMP in the MIDS calculator
  ...hat the BMP receiving the routed water must be included by the user in the Schematic tab or the BMP will not appear in the dropdown box. ...pollutant load reductions for infiltrated and overflow water|<font size=3>Schematic showing the mechanism for pollutant load reductions for infiltrated and ove
  33 KB (5,347 words) - 13:38, 29 January 2023
• Scenario for developing a stormwater treatment train for a site with limited infiltration capacity
  [[file:Limited infiltration site layout.jpg|300px|thumb|alt=schematic showing layout for treatment train scenario|<font size=3>Site layout for a ...s Swales and strips] || X || Swales and strips may serve as a good form of pretreatment or conveyance to BMPs downstream in the treatment train
  38 KB (5,550 words) - 13:29, 12 February 2023
• Information on pollutant removal by BMPs
  ...chematic of pollutant removal mechanism swale with underdrain|<font size=3>Schematic of pollutant removal mechanisms for a dry swale with an underdrain.</font s *Pretreatment
  36 KB (5,227 words) - 00:44, 23 January 2023
• Design criteria for wet swale (wetland channel)
  *providing [[Glossary#P|pretreatment]] (''REQUIRED''); and ====Pretreatment====
  25 KB (3,758 words) - 17:15, 29 December 2022
• Design criteria for infiltration
  ...tices.png|300px|thumb|alt=schematic of infiltration practices|<font size=3>Schematic illustrating A)infiltration trench, B) underground infiltration, C) infiltr ...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> (''REQUIRED''); and
  62 KB (9,180 words) - 18:45, 29 December 2022
• Requirements, recommendations and information for using bioretention with an underdrain BMPs in the MIDS calculator
  ...Note that the user must include the BMP receiving the routed water in the Schematic or the BMP will not appear in the dropdown box. ...ted and filtration in Bioretention basin (with an underdrain)|<font size=3>Schematic showing how pollutant load reductions are calculated for Bioretention basin
  55 KB (8,696 words) - 13:27, 29 January 2023
• Design criteria for dry swale (grass swale)
  *providing [[Glossary#P|pretreatment]] (''REQUIRED''); and ...t=schematic showing horizontal and vertical setback distances|<font size=3>Schematic showing some horizontal and vertical separation distances from an infiltrat
  43 KB (6,506 words) - 16:08, 29 December 2022
• Decision tools for stormwater infiltration
  ...hotspots#Determining_if_a_PSH_is_a_hotspot guidance]) and [[Pre-treatment|pretreatment]] practices cannot be used to achieve acceptable pollutant concentrations i ...thumb|300px|alt=schematic used for infiltration basin example|<font size=3>Schematic showing dimensions for an infiltration basin. The average cross-sectional a
  23 KB (3,334 words) - 17:06, 11 January 2023
• Scenario for developing a stormwater treatment train for constructed ponds in new development
  ...s schematic shows a New Residential Development Scenario Base|<font size=3>Schematic illustrating the site layout for this example. The site consists of 40 acr ...ater ponds in series approach. The existing site layout can be seen in the schematic to the right. The table below describes the site conditions for this new de
  44 KB (6,330 words) - 13:35, 12 February 2023
• Requirements, recommendations and information for using trees with an underdrain as a BMP in the MIDS calculator
  ...schematic of watershed tab for tree trench in MIDS calculator|<font size=3>Schematic of the Watershed tab for tree trench system-tree box BMP in the MIDS calcul ...ummary tab for tree trench with underdrain in MIDS calculator|<font size=3>Schematic of the BMP Summary tab for tree trench system-tree box with an underdrain B
  44 KB (7,312 words) - 13:41, 29 January 2023
• Requirements, recommendations and information for using swale with an underdrain as a BMP in the MIDS calculator
  ...px|thumb|alt=Schematic of Watershed tab swale with underdrain|<font size=3>Schematic of Watershed tab for Swale main channel (with underdrain). The user must in ...umb|alt=Schematic of Swale with underdrain BMP parameters tab|<font size=3>Schematic of BMP parameters tab for Swale main channel (with underdrain). The user mu
  31 KB (4,982 words) - 13:36, 29 January 2023
• BMPs for stormwater filtration
  ...= < 30%; Medium = 30-65%; High = 65 -100%); ⁴ Assumes adequate pretreatment; ⁵ Certain [http://stormwater.pca.state.mn.us/index.php/Design_c ...= < 30%; Medium = 30-65%; High = 65 -100%); ⁴ Assumes adequate pretreatment; ⁵ Insufficient information<br>
  33 KB (4,581 words) - 15:04, 11 January 2023
• Design criteria for permeable pavement
  ...ss section and basic components of a pervious concrete system|<font size=3>Schematic illustrating typical pervious concrete cross section and basic components o ...ss section and basic components of a pervious concrete system|<font size=3>Schematic illustrating typical porous asphalt cross section and basic components of a
  44 KB (6,544 words) - 17:30, 29 December 2022

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