m |
m |
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Line 35: | Line 35: | ||
<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> | <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> | ||
<td></td> | <td></td> | ||
− | <td>[https://stormwater.pca.state.mn.us/index.php?title= | + | <td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]<sup>1</sup></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_and_dissolved_phosphorus_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_and_dissolved_phosphorus_in_stormwater_runoff#Residential_land_use Medium density residential]</td> | ||
<td></td> | <td></td> | ||
− | <td>[https://stormwater.pca.state.mn.us/index.php?title= | + | <td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]<sup>1</sup></td> |
<td> | <td> | ||
*Insufficient information to recommend a specific emc</td> | *Insufficient information to recommend a specific emc</td> | ||
Line 49: | Line 49: | ||
<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> | <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> | ||
<td></td> | <td></td> | ||
− | <td>[https://stormwater.pca.state.mn.us/index.php?title= | + | <td>[https://stormwater.pca.state.mn.us/index.php?title=Event_mean_concentrations_of_total_suspended_solids_in_stormwater_runoff#Mixed_land_use Calculate]<sup>1</sup></td> |
<td> | <td> | ||
*Insufficient information to recommend a specific emc</td> | *Insufficient information to recommend a specific emc</td> |
Event mean concentrations for total phosphorus.
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 | Calculate1 |
|
|
Medium density residential | Calculate1 |
|
|
Low density residential | Calculate1 |
|
|
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 | <10 | ||
Institutional | See note | ||
Forest/shrub/grassland | |||
Open water and wetlands | see Notes (next column) |
|
|
Cropland (row crops) | |||
Pasture |