m |
m |
||
Line 14: | Line 14: | ||
<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> | ||
Line 20: | Line 20: | ||
<tr> | <tr> | ||
<td>Industrial</td> | <td>Industrial</td> | ||
− | <td></td> | + | <td>70-170</td> |
<td>93</td> | <td>93</td> | ||
<td> | <td> | ||
Line 28: | Line 28: | ||
<tr> | <tr> | ||
<td>Residential</td> | <td>Residential</td> | ||
− | <td></td> | + | <td>42-101</td> |
<td>73</td> | <td>73</td> | ||
<td></td> | <td></td> | ||
Line 54: | Line 54: | ||
<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> | ||
Line 60: | Line 60: | ||
<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> | ||
Line 76: | Line 76: | ||
<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> |
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 | *Insufficient information to recommend a specific emc | |
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 |