Summary of pollutants typically found in stormwater by source area

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			○	○	○	●				&#9675
Green and Brown Roofs		○	○	●;	○	○				○
Paved Surfaces	○	●;	○	○		○	●	●		○
Green Spaces	○	●	●	●	●				●	○
Sedimentation Basins and Detention Ponds	○	○	○	●	○	○	○	○

● = relatively high concentrations;

○ = relatively low concentrations