Summary of pollutants typically found in stormwater by source area

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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

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