Difference between revisions of "Event mean concentrations for total phosphorus"
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| − | {{alert|This page was updated October 31, 2019|alert- | + | {{alert|This page was updated October 31, 2019. Read table caption below.|alert-info}} |
| − | <font size=3>'''Event mean concentrations for total phosphorus. To see supporting information used to derive this table, [https://stormwater.pca.state.mn.us/index.php?title=Stormwater_pollutant_concentrations_and_event_mean_concentrations link here].'''</font size><br> | + | <font size=3>'''Event mean concentrations for total phosphorus. This table was updated October 31, 2019. We retained data from the previous table, '''but we recommend using the median values from a literature review (3rd column)'''. To see supporting information used to derive this table, [https://stormwater.pca.state.mn.us/index.php?title=Stormwater_pollutant_concentrations_and_event_mean_concentrations link here].'''</font size><br> |
Link to this [[Event mean concentrations for total phosphorus|table]] | Link to this [[Event mean concentrations for total phosphorus|table]] | ||
<table class="sortable"> | <table class="sortable"> | ||
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<th>Land cover/land use</th> | <th>Land cover/land use</th> | ||
<th>Range (mg/L)</th> | <th>Range (mg/L)</th> | ||
| − | <th>Median from literature review (mg/L)</th> | + | <th>Median from literature review (mg/L)<sup>1</sup></th> |
| − | <th>Mean from literature review (mg/L)</th> | + | <th>Mean from literature review (mg/L)<sup>1</sup></th> |
<th>Previous tabled value (mg/L)<sup>1</sup></th> | <th>Previous tabled value (mg/L)<sup>1</sup></th> | ||
</tr> | </tr> | ||
Revision as of 20:34, 31 October 2019
Information: This page was updated October 31, 2019. Read table caption below.
Event mean concentrations for total phosphorus. This table was updated October 31, 2019. We retained data from the previous table, but we recommend using the median values from a literature review (3rd column). To see supporting information used to derive this table, link here.
Link to this table
| Land cover/land use | Range (mg/L) | Median from literature review (mg/L)1 | Mean from literature review (mg/L)1 | Previous tabled value (mg/L)1 |
|---|---|---|---|---|
| Commercial2, 3 | 0.20 - 0.34 | 0.20 | 0.34 | 0.22 |
| Industrial2, 3 | 0.23 - 0.55 | 0.31 | 0.73 | 0.26 |
| Residential3 | 0.26 - 0.38 | 0.36 | 0.38 | 0.30 |
| High-density/Multi-family residential2, 3 | 0.28 - 0.40 | 0.28 | 0.28 | 0.27 to 0.32 |
| Medium density residential | 0.18 - 0.40 | 0.18 | 0.51 | |
| Low density residential | 0.24 - 0.40 | 0.24 | 0.29 | |
| Freeways/transportation3 | 0.25 - 0.45 | 0.35 | 0.53 | 0.25 |
| Mixed | 0.25 - 0.45 | 0.29 | 0.89 | |
| Parks and recreation2 | 0.04 | |||
| Open space2, 3 | 0.12 - 0.31 | 0.13 | 0.41 | 0.31 |
| Conventional roof | 0.05 - 0.20 | 0.09 | 0.27 | |
| Public/semi public (institutional)2, 3 | 0.18 - 0.40 | 0.26 | 0.42 | 0.18 |
| Cropland2 | 0.32 | |||
| Forest/shrub/grassland12 | 0.04 | |||
| Open water2 | 0.01 | |||
| Wetlands2 | 0.01 to 0.044 | |||
| Farmsteads2 | 0.46 | |||
| Forest | 0.05 - 0.25 | 0.25 | 0.14 |
1We recommend using the median from literature reviews and not the means or previous values.
2 Minnehaha Creek Watershed district, 2003
3 Robert Pitt et al., 2004
4 Average for large wetlands and wetland complexes. Individual wetlands should be monitored to determine source/sink behavior.