{{alert|The following table is generally applicable to filtration BMPs and not specifically to swales. Some items may not be applicable.|aler
...worksheets will allow designers to more accurately estimate the cost of a filtration BMP.
<font size=3>'''Infiltration and filtration bmp<sup>1</sup> design restrictions for special waters and watersheds. See
Link to this [[Infiltration and filtration bmp design restrictions for special waters and watersheds|table]]
<font size=3>'''Pollutant removal percentages for filtration BMPs'''.</font size><br>
Link to this [[Pollutant removal percentages for filtration BMPs|table]]
.... To see all tables on a single page, [[Other water quality devices tables combined|link here]]. To see the information in a single spreadsheet click on the fo
**[[Pretreatment - Filtration devices and practices]]
...n the treatment train, or built-in additional pretreatment mechanisms. The filtration methods are widely varied from biological to mechanical. They seek to remov
Some filtration pretreatment methods require a larger footprint than other pretreatment opt
...otential for iron loss or plugging in low oxygen or persistently inundated filtration practices.
...article]].''' Note: Due to an unresolved bug, when viewing a formula in a combined article, the math markup (used for equations) is displayed. Please ignore t
...'''Typical pollutant effluent concentrations, in milligrams per liter, for filtration BMPs'''.</font size><br>
Link to this [[Pollutant concentrations1 for filtration BMPs|table]]
...these practices out into separate chapters. For now, they continue to be combined into single pages shown below. NOTE that we have included links to images
*[[Overview for filtration]]
**[[Pretreatment - Filtration devices and practices]]
:To see the above pages as a single page, [[Pretreatment practices combined single page|link here]]
...see all tables on a single page, [[Screening and straining devices tables combined|link here]].
**[[Pretreatment - Filtration devices and practices]]
Pretreatment is a required part of infiltration and filtration practices covered under the Minnesota Construction Stormwater General Permi
...tle particulates before the stormwater discharges into the infiltration or filtration system.|alert-danger}}
...roprietary example of a pretreatment (isolator) row on underground storage/filtration system by StormTech. The row acts as a sacrificial first row to capture the
...ent mechanism. These can provide an additional level of treatment such as filtration, skimming (in addition to settling or screening), chemical treatment/sorpti
...title="a pre-fabricated stormwater treatment structure utilizing settling, filtration, absorptive/adsorptive materials, vortex separation, vegetative components,
...luble pollutants such as dissolved phosphorus, chloride, and nitrate."> '''filtration'''</span> or screening. These units are typically installed underground, fr
...treat runoff, including such diverse measures as ponding, street sweeping, filtration through a rain garden and infiltration to a gravel trench.
*Media filter - Filtration of stormwater through a variety of different filtering materials whose purp
...oxygen or persistently inundated filtration practices. Here iron-enhanced filtration is limited to two types:
...trusion or tailwater effects. Because the primary treatment mechanisms are filtration and chemical binding and not volume reduction, vegetating the filter is not
Sand filters, also called media filters or filtration basins, are a stormwater quality treatment system that works by capturing s
...he permit does apply. Also, although it is expected that in many cases the filtration practice will be used in combination with other practices, standards are de
...such as turf or native perennial grasses. Dry swales may be constructed as filtration or infiltration practices, depending on soils."> [https://stormwater.pca.st
...site-integrated design that provides opportunity for runoff infiltration, filtration, storage, and water uptake by vegetation. Bioretention areas are suitable s