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− | + | <font size=3>'''Event mean concentrations for total suspended solids.</font size><br> | |
− | + | Link to this [[Event mean concentrations for total suspended solids|table]] | |
− | |||
− | |||
− | <font size=3>'''Event mean concentrations for total | ||
− | Link to this [[Event mean concentrations for total | ||
<table class="sortable"> | <table class="sortable"> | ||
<tr> | <tr> | ||
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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>[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> | ||
− | <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>[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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<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>[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_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate] | + | <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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<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>[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_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate] | + | <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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<td>Conventional roof</td> | <td>Conventional roof</td> | ||
<td></td> | <td></td> | ||
− | <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></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> | + | <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 | ||
− | *If data for a specific | + | *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>Literature review was not adequate to recommend an emc</td> |
− | |||
</tr> | </tr> | ||
<tr> | <tr> | ||
<td>Pasture</td> | <td>Pasture</td> | ||
− | <td></td> | + | <td>75-150</td> |
− | <td></td> | + | <td>84</td> |
− | <td></td> | + | <td>Concentrations are a function of intensity of use.</td> |
</tr> | </tr> | ||
</table> | </table> | ||
<noinclude> | <noinclude> | ||
− | [[ | + | [[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> |
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 |
|
Residential | 42-101 | 73 | |
High-density/Multi-family residential | Calculate |
|
|
Medium density residential | Calculate |
|
|
Low density residential | Calculate |
|
|
Freeways/transportation | 50-90 | 87 | |
Mixed | 47-188 | 76 or calculate |
|
Parks and recreation | Use value for open space or calculate |
|
|
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) |
|
|
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. |
This page was last edited on 23 March 2023, at 16:46.