<font size=3>'''Recommended maintenance activities for media filters (Sources: WMI, 1997; Pitt, 1997)'''.</font size><br>
Link to this [[Recommended maintenance activities for media filters|table]]
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==Sand filters==
*Perimiter sand filter details: [[File:Perimeter Sand Filter PERIMETER SAND FILTER DETAILS (1).pdf]]
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This page describes two types of iron-enhanced practices - sand filters and pond benches.
==Iron-enhanced sand filter basin==
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<font size=3>'''Do's and Don'ts of Iron Enhanced Sand Filters (IESFs)'''</font size><br>
Link to this [[Do's and Don'ts of Iron Enhanced Sand Filters (IESFs)|table]]
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...this image contains an image of a cost estimate worksheet for surface sand filters]]
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...|alt=photo of an iron ehanced sand filter basin|<font size=3>Iron enhanced sand filter basin, Maplewood, MN. Photo courtesy of Ramsey-Washington Watershed
...b|300px|alt=photo of an iron ehanced sand bench|<font size=3>Iron enhanced sand bench, Prior Lake, MN. Photo courtesy of Ross Bintner.</font size>]]
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...|alt=photo of an iron ehanced sand filter basin|<font size=3>Iron enhanced sand filter basin, Maplewood, MN. Photo courtesy of Barr Engineering.</font size
...with high percentages of impervious cover (e.g., greater than 50%). Media filters are typically designed with an underdrain, which makes them a good option f
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...basin|<font size=3>Iron enhanced sand filter basin, Maplewood, MN. If this sand filter is performing properly, it will drain within 48 hours. Photo courtes
...at urban stormwater runoff as it flows through a filtering medium, such as sand or an organic material. They are generally used on small drainage areas (5
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<td>Sand Filters</td>
<td>Iron Enhanced Sand Filter</td>
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*[[Assessing the performance of sand (media) filters]]
*[[Calculating credits for sand filter]]
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==Iron in iron enhanced sand filters==
...struction was successful (see [[Assessing the performance of iron enhanced sand filter]]), and
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<font size=1><sup>a</sup>See [[Sand filters|sand filters]], [[Dry swale (Grass swale)]], [[High-gradient stormwater step-pool swale]
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*Sand filters are also referred to as filtration basins, filter systems, first-flush filt
==Media Filters==
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*Sand filters are also referred to as filtration basins, filter systems, first-flush filt
==Media filters==
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##[[Sand filters]]
#[[Iron enhanced sand filter (Minnesota Filter)]]
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<td>Sand Filters</td>
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<sup>b</sup>Excludes vertical sand filters and filter strips<br>
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...ation areas, swales using underdrains with check dams and underground sand filters. If [https://stormwater.pca.state.mn.us/index.php?title=MN_CSW_Permit_Secti
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<td>Sand Filters</td>
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<td>Sand Filters</td>
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