Difference between revisions of "Typical pollutants found in stormwater collected from different source areas"
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| − | + | <font size=3>'''Typical pollutants found in stormwater collected from different source areas'''</font size><br> | |
| − | Link to this [[Typical pollutants found in stormwater collected from different source areas|table]] | + | Link to this [[Typical pollutants found in stormwater collected from different source areas|table]] |
<table class="sortable"> | <table class="sortable"> | ||
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<tr> | <tr> | ||
| − | <td>Hard Roofs<sup>1</sup> | + | <td>Hard Roofs<sup>1</sup></td> |
<td>○</td> | <td>○</td> | ||
<td> </td> | <td> </td> | ||
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</table> | </table> | ||
| − | ● = relatively high concentrations | + | <font size=1>● = relatively high concentrations<br> |
| − | + | ○ = relatively low concentrations<br> | |
| − | ○ = relatively low concentrations | + | <sup>1</sup>Metals are highly dependent on roof type-only certified membrane roofs are currently approved for potable through NSF.<br> |
| − | + | <sup>2</sup>Vegetated roofs and pervious pavers have had poor performance due to discoloration of water and difficulty filtering the water to levels that the UV treatment is effective.</font size> | |
| − | <sup>1</sup>Metals are highly dependent on roof type-only certified membrane roofs are currently approved for potable through NSF. | ||
| − | |||
| − | <sup>2</sup>Vegetated roofs and pervious pavers have had poor performance due to discoloration of water and difficulty filtering the water to levels that the UV treatment is effective. | ||
[[category:Table]] | [[category:Table]] | ||
Revision as of 13:57, 31 August 2016
Typical pollutants found in stormwater collected from different source areas
Link to this table
| Source Area | Solids | Total suspended solids | Nutrients | Bacteria | Metals | Chloride | Grease, Oil | Pesticides | Other chemicals |
|---|---|---|---|---|---|---|---|---|---|
| Hard Roofs1 | ○ | ○ | ○ | ● | ○ | ||||
| Green and Brown Roofs2 | ○ | ○ | ○ | ○ | |||||
| Paved Surfaces (parking lots, sidewalks, driveways and roadways) | ○ | ● | ○ | ○ | ○ | ● | ● | ○ | |
| Green Spaces (lawns and park areas) | ○ | ○ | ○ | ● | ● | ○ |
● = relatively high concentrations
○ = relatively low concentrations
1Metals are highly dependent on roof type-only certified membrane roofs are currently approved for potable through NSF.
2Vegetated roofs and pervious pavers have had poor performance due to discoloration of water and difficulty filtering the water to levels that the UV treatment is effective.