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Minnesota Stormwater Manual

Difference between revisions of "Event mean concentrations for total suspended solids"

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<font size=3>'''Event mean concentrations for total phosphorus.</font size><br>
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Link to this [[Event mean concentrations for total phosphorus|table]]
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<table class="sortable">
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<tr>
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<th>Land cover/land use</th>
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<th>Range (mg/L)</th>
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<th>Recommended value (mg/L)</th>
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<th>Notes</th>
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</tr>
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<tr>
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<td>Commercial</td>
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<td></td>
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<td>75</td>
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<td>If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads</td>
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</tr>
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<tr>
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<td>Industrial</td>
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<td></td>
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<td>93</td>
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<td>
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*If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads
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</td>
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</tr>
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<tr>
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<td>Residential</td>
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<td></td>
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<td>73</td>
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<td></td>
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</tr>
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<tr>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Residential_land_use High-density/Multi-family residential]</td>
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<td></td>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Mixed_land_use_emcs Calculate]<sup>1</sup></td>
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<td>
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*Insufficient information to recommend a specific emc</td>
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</td>
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</tr>
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<tr>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Residential_land_use Medium density residential]</td>
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<td></td>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Mixed_land_use_emcs Calculate]<sup>1</sup></td>
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<td>
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*Insufficient information to recommend a specific emc</td>
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</tr>
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<tr>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Residential_land_use Low density residential]</td>
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<td></td>
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<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_and_dissolved_phosphorus_in_stormwater_runoff#Mixed_land_use_emcs Calculate]<sup>1</sup></td>
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<td>
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*Insufficient information to recommend a specific emc</td>
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</tr>
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<tr>
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<td>Freeways/transportation</td>
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<td></td>
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<td>87</td>
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<td></td>
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</tr>
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<tr>
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<td>Mixed</td>
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<td></td>
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<td>76 or calculate</td>
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<td>
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*Residential land use was the primary land use in most studies that cited values for mixed land use
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*If the study area can be delineated into specific land uses and impervious area for each land use is know, we recommend calculating the emc
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</td>
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</tr>
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<tr>
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<td>Parks and recreation</td>
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<td></td>
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<td>Use value for open space or calculate</td>
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<td>
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*emc will be a function of vegetative cover</td>
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</tr>
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<tr>
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<td>Open space</td>
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<td></td>
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<td>21</td>
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<td></td>
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</tr>
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<tr>
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<td>Conventional roof</td>
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<td></td>
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<td><10</td>
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<td></td>
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</tr>
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<tr>
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<td>Institutional</td>
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<td></td>
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<td>See note</td>
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<td></td>
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</tr>
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<tr>
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<td>Forest/shrub/grassland</td>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>Open water and wetlands</td>
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<td></td>
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<td>see Notes (next column)</td>
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<td>
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*If data exist, use the TSS concentration for the water body of interest
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*If data for a specific lake do not exist, use data from similar lakes in the area</td>
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</tr>
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<tr>
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<td>Cropland (row crops)</td>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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<tr>
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<td>Pasture</td>
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<td></td>
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<td></td>
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<td></td>
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</tr>
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</table>
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 +
<noinclude>
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[[category:table - pollutant information]]
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</noinclude>

Revision as of 20:54, 10 March 2020

This site is currently undergoing revision. For more information, open this link.
 This page is in development

Event mean concentrations for total phosphorus.
 Link to this table

Land cover/land use Range (mg/L) Recommended value (mg/L) Notes
Commercial 75 If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads
Industrial 93
  • If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads
Residential 73
High-density/Multi-family residential Calculate1
  • Insufficient information to recommend a specific emc
Medium density residential Calculate1
  • Insufficient information to recommend a specific emc
Low density residential Calculate1
  • Insufficient information to recommend a specific emc
Freeways/transportation 87
Mixed 76 or calculate
  • Residential land use was the primary land use in most studies that cited values for mixed land use
  • If the study area can be delineated into specific land uses and impervious area for each land use is know, we recommend calculating the emc
Parks and recreation Use value for open space or calculate
  • emc will be a function of vegetative cover
Open space 21
Conventional roof <10
Institutional See note
Forest/shrub/grassland
Open water and wetlands see Notes (next column)
  • If data exist, use the TSS concentration for the water body of interest
  • If data for a specific lake do not exist, use data from similar lakes in the area
Cropland (row crops)
Pasture
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