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Minnesota Stormwater Manual

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

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{{alert|This page is in development|alert-under-construction}}
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<font size=3>'''Event mean concentrations for total suspended solids.</font size><br>
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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 suspended solids|table]]
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Link to this [[Event mean concentrations for total phosphorus|table]]
 
 
<table class="sortable">
 
<table class="sortable">
 
<tr>
 
<tr>
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<tr>
 
<tr>
 
<td>Commercial</td>
 
<td>Commercial</td>
−
<td></td>
+
<td>42-164</td>
 
<td>75</td>
 
<td>75</td>
 
<td>If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads</td>
 
<td>If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads</td>
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<tr>
 
<tr>
 
<td>Industrial</td>
 
<td>Industrial</td>
−
<td></td>
+
<td>70-170</td>
 
<td>93</td>
 
<td>93</td>
 
<td>
 
<td>
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<tr>
 
<tr>
 
<td>Residential</td>
 
<td>Residential</td>
−
<td></td>
+
<td>42-101</td>
 
<td>73</td>
 
<td>73</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
 
<tr>
 
<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>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Residential_land_use High-density/Multi-family residential]</td>
 
<td></td>
 
<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>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]</td>
 
<td>
 
<td>
 
*Insufficient information to recommend a specific emc</td>
 
*Insufficient information to recommend a specific emc</td>
−
</td>
 
 
</tr>
 
</tr>
 
<tr>
 
<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>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Residential_land_use Medium density residential]</td>
 
<td></td>
 
<td></td>
−
<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>
+
<td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]</td>
 
<td>
 
<td>
 
*Insufficient information to recommend a specific emc</td>
 
*Insufficient information to recommend a specific emc</td>
 
</tr>
 
</tr>
 
<tr>
 
<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>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Residential_land_use Low density residential]</td>
 
<td></td>
 
<td></td>
−
<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>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]</td>
 
<td>
 
<td>
 
*Insufficient information to recommend a specific emc</td>
 
*Insufficient information to recommend a specific emc</td>
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<tr>
 
<tr>
 
<td>Freeways/transportation</td>
 
<td>Freeways/transportation</td>
−
<td></td>
+
<td>50-90</td>
 
<td>87</td>
 
<td>87</td>
 
<td></td>
 
<td></td>
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<tr>
 
<tr>
 
<td>Mixed</td>
 
<td>Mixed</td>
−
<td></td>
+
<td>47-188</td>
 
<td>76 or calculate</td>
 
<td>76 or calculate</td>
 
<td>
 
<td>
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<tr>
 
<tr>
 
<td>Open space</td>
 
<td>Open space</td>
−
<td></td>
+
<td>11-70</td>
 
<td>21</td>
 
<td>21</td>
 
<td></td>
 
<td></td>
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<td>Conventional roof</td>
 
<td>Conventional roof</td>
 
<td></td>
 
<td></td>
−
<td><10</td>
+
<td><20</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Institutional</td>
 
<td>Institutional</td>
−
<td></td>
+
<td>17-140</td>
−
<td>See note</td>
+
<td>80</td>
 
<td></td>
 
<td></td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Forest/shrub/grassland</td>
 
<td>Forest/shrub/grassland</td>
−
<td></td>
+
<td>26-140</td>
−
<td></td>
+
<td>72</td>
−
<td></td>
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<td>Sediment concentrations from forested areas vary widely with factors such as slope and forest condition. Concentrations may be very high, but the annual volume of runoff is typically much less than non-forested areas.</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
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<td>
 
<td>
 
*If data exist, use the TSS concentration for the water body of interest
 
*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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*If data for a specific water body do not exist, use data from similar lakes in the area</td>
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Cropland (row crops)</td>
 
<td>Cropland (row crops)</td>
 +
<td>50-160</td>
 
<td></td>
 
<td></td>
−
<td></td>
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<td>Literature review was not adequate to recommend an emc</td>
−
<td></td>
 
 
</tr>
 
</tr>
 
<tr>
 
<tr>
 
<td>Pasture</td>
 
<td>Pasture</td>
−
<td></td>
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<td>75-150</td>
−
<td></td>
+
<td>84</td>
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<td></td>
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<td>Concentrations are a function of intensity of use.</td>
 
</tr>
 
</tr>
 
</table>
 
</table>
  
 
<noinclude>
 
<noinclude>
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[[category:table - pollutant information]]
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[[Category:Level 2 - Pollutants/Sediment (total suspended solids)]]
 +
[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Pollutant loading, concentrations, and characteristics]]
 +
[[Category:Level 2 - Pollutants/Concentrations, export, loads]]
 
</noinclude>
 
</noinclude>

Latest revision as of 16:46, 23 March 2023

Event mean concentrations for total suspended solids.
 Link to this table

Land cover/land use Range (mg/L) Recommended value (mg/L) Notes
Commercial 42-164 75 If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads
Industrial 70-170 93
  • If applicable to models being used, adjust curve numbers/runoff coefficients when calculating loads
Residential 42-101 73
High-density/Multi-family residential Calculate
  • Insufficient information to recommend a specific emc
Medium density residential Calculate
  • Insufficient information to recommend a specific emc
Low density residential Calculate
  • Insufficient information to recommend a specific emc
Freeways/transportation 50-90 87
Mixed 47-188 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 11-70 21
Conventional roof <20
Institutional 17-140 80
Forest/shrub/grassland 26-140 72 Sediment concentrations from forested areas vary widely with factors such as slope and forest condition. Concentrations may be very high, but the annual volume of runoff is typically much less than non-forested areas.
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 water body do not exist, use data from similar lakes in the area
Cropland (row crops) 50-160 Literature review was not adequate to recommend an emc
Pasture 75-150 84 Concentrations are a function of intensity of use.
Retrieved from "https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_for_total_suspended_solids&oldid=67591"

This page was last edited on 23 March 2023, at 16:46.