Polluted Urban Runoff: A Source of Concern
Author(s) Carolyn B. Johnson, Dotty Juengst
This is a summary of the pollutants that originate in urban landscapes and run off into Wisconsin rivers and lakes. Pollutants include pesticides, various other chemicals, metals, and bacteria. Pie charts show the proportion of total pollution that originates on roofs, streets, parking lots, and so on (4 pages).