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Summary of pollutants typically found in stormwater by source area
Link to this table
Source Area | Solids | Total Suspended Solids | Particulate Nutrients | Dissolved Nutrients | Bacteria | Metals | Chlorides | Grease, Oil | Pesticides | Other Chemicals |
---|---|---|---|---|---|---|---|---|---|---|
Hard Roofs | ○ | ○ | ○ | ● | ○ | |||||
Green and Brown Roofs | ○ | ○ | ● | ○ | ○ | ○ | ||||
Paved Surfaces | ○ | ● | ○ | ○ | ○ | ● | ● | ○ | ||
Green Spaces | ○ | ● | ● | ● | ● | ● | ○ | |||
Sedimentation Basins and Detention Ponds | ○ | ○ | ○ | ● | ○ | ○ | ○ | ○ |
● = relatively high concentrations
○ = relatively low concentrations