Difference between revisions of "Urban Stormwater Quality Characteristics from Paved Surfaces"
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<font size=3>'''Urban Stormwater Quality Characteristics from Paved Surfaces'''</font size><br> | <font size=3>'''Urban Stormwater Quality Characteristics from Paved Surfaces'''</font size><br> | ||
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Link to this [[Urban Stormwater Quality Characteristics from Paved Surfaces|table]] | Link to this [[Urban Stormwater Quality Characteristics from Paved Surfaces|table]] | ||
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<th rowspan=2>Twin Cities Highways<sup>2</sup></th> | <th rowspan=2>Twin Cities Highways<sup>2</sup></th> | ||
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<th>Arterial Street</th> | <th>Arterial Street</th> | ||
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<th>Residential Driveway</th> | <th>Residential Driveway</th> | ||
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<td>Cadmium</td> | <td>Cadmium</td> | ||
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<td>0.0025</td> | <td>0.0025</td> | ||
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<td>Chromium</td> | <td>Chromium</td> | ||
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<td> </td> | <td> </td> | ||
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<td>Copper</td> | <td>Copper</td> | ||
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<td>0.023</td> | <td>0.023</td> | ||
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<td>Lead</td> | <td>Lead</td> | ||
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<td>0.242</td> | <td>0.242</td> | ||
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<td>Zinc</td> | <td>Zinc</td> | ||
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<td>0.123</td> | <td>0.123</td> | ||
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<td>Nitrate-Nitrite</td> | <td>Nitrate-Nitrite</td> | ||
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<td>0.77</td> | <td>0.77</td> | ||
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<td>Total Phosphorus</td> | <td>Total Phosphorus</td> | ||
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<td>0.43</td> | <td>0.43</td> | ||
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<td>Total Dissolved Phosphorus</td> | <td>Total Dissolved Phosphorus</td> | ||
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<td> </td> | <td> </td> | ||
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<td>Chloride<sup>3</sup></td> | <td>Chloride<sup>3</sup></td> | ||
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</td> | </td> | ||
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<td>Total Suspended Solids</td> | <td>Total Suspended Solids</td> | ||
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<td> </td> | <td> </td> | ||
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<td>Suspended Solids</td> | <td>Suspended Solids</td> | ||
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<td> </td> | <td> </td> | ||
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</table> | </table> | ||
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| − | <sup>1</sup> Arithmetic mean concentration; Reference: Roger T. Bannerman and Richard Dodds, Sources of Pollutants in Wisconsin Stormwater, 1992 | + | <sup>1</sup> Arithmetic mean concentration; Reference: Roger T. Bannerman and Richard Dodds, Sources of Pollutants in Wisconsin Stormwater, 1992<br> |
| − | + | <sup>2</sup> Reference: University of Minnesota Water Resources Center, Assessment of Stormwater Best Management Practices Manual, 2008<br> | |
| − | <sup>2</sup> Reference: University of Minnesota Water Resources Center, Assessment of Stormwater Best Management Practices Manual, 2008 | + | <sup>3</sup> Data represents chloride concentrations during monitoring season, typically April through October. Chloride concentrations in winter snowmelt grab samples have been found to be as great as 3,600 mg/L.</font size> |
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| − | <sup>3</sup> Data represents chloride concentrations during monitoring season, typically April through October. Chloride concentrations in winter snowmelt grab samples have been found to be as great as 3,600 mg/L. | ||
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[[category:Table]] | [[category:Table]] | ||
Revision as of 19:07, 9 May 2017
Urban Stormwater Quality Characteristics from Paved Surfaces
Link to this table
| Constituent (concentrations reported in mg/L) | Wisconsin Data1 | Twin Cities Highways2 | ||||
|---|---|---|---|---|---|---|
| Arterial Street | Feeder Street | Collector Street | Collector Street | Residential Driveway | ||
| Cadmium | 0.0028 | 0.0008 | 0.0017 | 0.0012 | 0.0005 | 0.0025 |
| Chromium | 0.026 | 0.007 | 0.013 | 0.016 | 0.002 | |
| Copper | 0.085 | 0.025 | 0.061 | 0.047 | 0.02 | 0.023 |
| Lead | 0.085 | 0.038 | 0.062 | 0.062 | 0.02 | 0.242 |
| Zinc | 0.629 | 0.245 | 0.357 | 0.361 | 0.113 | 0.123 |
| Nitrate-Nitrite | 0.77 | |||||
| Total Phosphorus | 1.01 | 1.77 | 1.22 | 0.48 | 1.5 | 0.43 |
| Total Dissolved Phosphorus | 0.62 | 0.55 | 0.36 | 0.07 | 0.87 | |
| Chloride3 | 11.5 | |||||
| Total Suspended Solids | 993 | 1152 | 544 | 603 | 328 | |
| Suspended Solids | 875 | 1085 | 386 | 474 | 193 | |
1 Arithmetic mean concentration; Reference: Roger T. Bannerman and Richard Dodds, Sources of Pollutants in Wisconsin Stormwater, 1992
2 Reference: University of Minnesota Water Resources Center, Assessment of Stormwater Best Management Practices Manual, 2008
3 Data represents chloride concentrations during monitoring season, typically April through October. Chloride concentrations in winter snowmelt grab samples have been found to be as great as 3,600 mg/L.