...speciation.png|500px|thumb|alt=image of phosphorus speciation|<font size=3>Schematic showing analysis for different forms of phosphorus in water. Filtered phosp
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> for <span title="a stationary and permanent BMP that is designed
44 KB (6,189 words) - 13:56, 11 February 2023
...treatment sizing for basins and filters strips]] and [[Technical basis for pretreatment sizing for basins and filter strips]]
...pecific recommendations for managing and disposing sediment collected from pretreatment practices. This page provide guidance, a literature review, and a summary o
60 KB (8,737 words) - 18:14, 19 July 2023
...Section 2.jpg|300px|thumb|alt=schematic of infiltration basin|<font size=3>Schematic of an infiltration basin</font size>]]
...ng|thumb|300px|alt=Infiltration trench Detailed Cross Section|<font size=3>Schematic showing an infiltration trench.</font size>]]
73 KB (10,517 words) - 17:44, 19 July 2023
*providing [[Glossary#P|pretreatment]] (''REQUIRED''); and
===Pretreatment===
42 KB (6,383 words) - 18:54, 29 December 2022
...step pool.png|300px|thumb|alt=schematic filtration step pool|<font size=3>Schematic of a filtration step pool (underdrain present). Click on image to enlarge.<
...tep pool.png|300px|thumb|alt=schematic infiltration step pool|<font size=3>Schematic of infiltration step pool (no underdrain). Click on image to enlarge.</font
65 KB (10,011 words) - 17:11, 29 December 2022
...spots|potential stormwater hotspots]] (PSHs) have excellent [[Pretreatment|pretreatment]] practices provided. In some cases (depending on the land use and associat
...retreatment]] be provided to reduce the future pond maintenance burden. If pretreatment has not been provided in the contributing watershed, then it is ''Recommend
50 KB (7,726 words) - 18:02, 29 December 2022
...t=schematic showing horizontal and vertical setback distances|<font size=3>Schematic showing some horizontal and vertical separation distances from an infiltrat
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> features have not been properly designed to handle such an incre
23 KB (3,441 words) - 02:41, 15 December 2022
...icle.jpg|thumb|300px|alt=schematic showing sand filter system|<font size=3>Schematic illustrating the components and processes for a sand filter system.</font s
...thumb|300px|alt=schematic showing enhanced sand filter system|<font size=3>Schematic illustrating the components and processes for an enhanced sand filter syste
51 KB (7,365 words) - 20:08, 22 November 2022
...icle.jpg|thumb|300px|alt=schematic showing sand filter system|<font size=3>Schematic illustrating the components and processes for a sand filter system.</font s
...thumb|300px|alt=schematic showing enhanced sand filter system|<font size=3>Schematic illustrating the components and processes for an enhanced sand filter syste
51 KB (7,398 words) - 14:29, 2 February 2023
*providing [[Glossary#P|pretreatment]] (''REQUIRED''); and
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> and the basin is properly designed, [[Construction specification
64 KB (9,626 words) - 17:17, 29 December 2022
...ng an infiltration basin. Note that inflow into the practice has undergone pretreatment. Once the infiltration basin is filled, water bypasses rather than enters t
...e Manual. Because of their high susceptibility of failure due to clogging, pretreatment is REQUIRED in all infiltration designs.
42 KB (5,899 words) - 14:22, 26 July 2022
...nt BMPs, normally in stand-alone applications, however can also be used as pretreatment for infiltration, rainwater harvesting, and detention."> '''tree boxes'''</
...rvest and use/reuse|stormwater harvest and reuse systems]], [[Overview for pretreatment vegetated filter strips|vegetated filter strips]] and swales without check
43 KB (6,049 words) - 17:06, 1 February 2023
[[file:Schematic showing location of pollutant removal.jpg|300px|thumb|alt=schematic showing location where pollutants are removed|<font size=3>Pollution remova
...m the stormwater prior to infiltration. To accomplish this, an appropriate pretreatment technique is needed. Any runoff containing toxic material that will not bin
42 KB (6,145 words) - 22:10, 20 February 2023
==Pretreatment==
...file.jpg|thumb|300px|alt=Schematic of shallow wetland profile|<font size=3>Schematic showing a shallow wetland profile</font size>]]
34 KB (5,308 words) - 18:50, 29 December 2022
...t=schematic showing horizontal and vertical setback distances|<font size=3>Schematic showing some horizontal and vertical separation distances from an infiltrat
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> features have not been properly designed to handle such an incre
25 KB (3,698 words) - 02:39, 15 December 2022
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span>
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> to minimize pollutant loading that might impair other benefits,
58 KB (8,166 words) - 17:00, 21 December 2022
...System Schematic|<font size=3>Example Stormwater Harvesting and Use System Schematic</font size>]]
...ally has four components (See Example Stormwater Harvesting and Use System Schematic at right):
37 KB (5,490 words) - 12:41, 14 February 2023
...Highland bridge.jpg|300px|thumb|alt=Highland Bridge schematic|<font size=3>Schematic illustrating plans for the Highland Bridge project. [https://www.capitolreg
*Pretreatment Features
27 KB (4,063 words) - 16:42, 3 January 2023
....png|thumb|300px|alt=schematic showing bioinfiltration system|<font size=3>Schematic illustrating the components and processes for a bioinfiltration system.</fo
...in.png|thumb|300px|alt=schematic showing biofiltration system|<font size=3>Schematic illustrating the components and processes for a biofiltration system.</font
70 KB (10,269 words) - 20:36, 17 November 2022
...jpg|thumb|300px|alt=Infiltration Basin Detailed Cross Section|<font size=3>Schematic showing an infiltration basin.</font size>]]
...ng|thumb|300px|alt=Infiltration trench Detailed Cross Section|<font size=3>Schematic showing an infiltration trench.</font size>]]
37 KB (5,249 words) - 16:07, 18 July 2022
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> practices. Wet swales are commonly used for drainage areas less
...be used at various locations within a treatment train] and can be used for pretreatment, conveyance, and/or primary treatment.
36 KB (5,160 words) - 22:22, 23 November 2022
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''Pretreatment''']</span> is REQUIRED for all bioretention facilities, including tree-base
...pollutant reductions from tree trench with an underdrain BMP|<font size=3>Schematic illustrating how pollutant reductions (TSS, dissolved and particulate P) ar
75 KB (11,201 words) - 18:43, 13 December 2022
...ated stormwater flows via contact with a polymer-containing sock or block. Pretreatment usually involves the filtration and/or sedimentation processes described ab
...isting detention basin for pretreatment, is often more cost effective than pretreatment tanks. (Source: Federal Highway Administration US DOT, 2008)</font size>]]
39 KB (5,599 words) - 14:09, 17 January 2023
[[File:Central corridor cross section B.jpg|thumb|300px|alt=schematic cross-section of Central Corridor Light Rail tree system|<font size=3>Cross
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> devices before installing any tree boxes or trenches. Depending
28 KB (3,985 words) - 16:12, 9 February 2023
...ment_guidance_and_supporting_information#30._Pretreatment_sizing_standards Pretreatment sizing standards]
[[File:Parking Lot Scenario Base.PNG|thumb|300 px|alt=schematic illustrating Parking Lot Scenario Base|<font size=3>Site layout for a treat
83 KB (11,574 words) - 16:07, 23 February 2023
...mb|alt=Schematic illustrating the adaptive management process|<font size=3>Schematic illustrating the adaptive management process. Source:[https://www.pca.state
...2.jpg|thumb|400 px|alt=schematic of drawdown and bounce|<font size=3>This schematic defines and demonstrates the concept of bounce and drawdown within an infil
66 KB (9,956 words) - 14:52, 7 February 2023
...shows Example Stormwater Harvesting and Use System Schematic|<font size=3>Schematic illustrating the basic concepts for a harvest and use-reuse system. Stormwa
{{alert|Pretreatment is required for all infiltration practices|alert-danger}}
45 KB (6,471 words) - 21:16, 28 July 2022
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span>
...ample image Step 1.png|300px|thumb|alt=image used for example|<font size=3>Schematic used for subwatershed example.</font size>]]
98 KB (15,156 words) - 16:40, 5 January 2023
...e credit picture 1.jpg|thumb|300px|alt=schematic of dry swale|<font size=3>Schematic showing characteristics of a dry swale.</font size>]]
{{alert|[[Pretreatment]] is required for all filtration and infiltration practices|alert-danger}}
65 KB (9,893 words) - 13:52, 29 December 2022
...age.jpg|thumb|300px|alt=schematic of constructed pond/wetland|<font size=3>Schematic showing characteristics of a constructed pond or constructed wetland.</font
...ips."> [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment '''pretreatment''']</span> practices, such as oil/water separators, swirl concentrators, an
59 KB (8,449 words) - 18:13, 1 August 2022
...pretreatment devices, [https://stormwater.pca.state.mn.us/index.php?title=Pretreatment link here].
[[File:Infiltration basin schematic..jpg |thumb|400px|alt=Infiltration basin Detailed Cross Section|<font size=
86 KB (12,639 words) - 14:42, 1 January 2024
...l protection storage can be incorporated into the non-pond BMP if adequate pretreatment is provided, and if an outlet structure is sized to ensure that the infiltr
...nnel cross section schematic|<font size=3>Downstream channel cross section schematic.</font size>]]
41 KB (6,386 words) - 19:17, 6 December 2022
*Develop schematic designs and, if a licensed engineer is hired, have them review the schemati
...Treatment typically occurs with practices described in the [[Pretreatment|pretreatment]] section of this manual.
113 KB (16,329 words) - 17:02, 29 December 2022
*providing [[Glossary#P|pretreatment]] (''REQUIRED''); and
...ematic for infiltration from biofiltration with an underdrain|<font size=3>Schematic showing fate of water in a tree trench with a raised underdrain. Soil volu
62 KB (9,245 words) - 12:30, 14 February 2023
<!--[[File:General Pollutant Movement from a Snowpack.PNG|thumb|600px|alt=schematic showing soluble and solid pollutant concentrations in snow meltwater]]-->
...a high amount of trash including floatables that will additionally burden pretreatment structures or move into the BMP.
78 KB (12,338 words) - 13:58, 20 February 2023