SE 15-18 Point-source and non-point source water pollution Slide 1 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil Oil spills Abandoned mines (also point source) Acid drainage Oil tankers

SE 15-18 Point-source and non-point source water pollution Slide 2 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses

SE 15-18 Point-source and non-point source water pollution Slide 3 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides

SE 15-18 Point-source and non-point source water pollution Slide 4 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source)

SE 15-18 Point-source and non-point source water pollution Slide 5 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria

SE 15-18 Point-source and non-point source water pollution Slide 6 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Sewage treatment plants

SE 15-18 Point-source and non-point source water pollution Slide 7 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Sewage treatment plants

SE 15-18 Point-source and non-point source water pollution Slide 8 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Sewage treatment plants

SE 15-18 Point-source and non-point source water pollution Slide 9 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants

SE 15-18 Point-source and non-point source water pollution Slide 10 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites

SE 15-18 Point-source and non-point source water pollution Slide 11 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals

SE 15-18 Point-source and non-point source water pollution Slide 12 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land

SE 15-18 Point-source and non-point source water pollution Slide 13 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil

SE 15-18 Point-source and non-point source water pollution Slide 14 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil Abandoned mines (also point source)

SE 15-18 Point-source and non-point source water pollution Slide 15 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil Abandoned mines (also point source) Acid drainage

SE 15-18 Point-source and non-point source water pollution Slide 16 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil Abandoned mines (also point source) Acid drainage Oil tankers

SE 15-18 Point-source and non-point source water pollution Slide 17 Non-point sources of water pollution Pollutant Point sources of water pollution Farms, lawns, and golf courses Fertilizers, herbicides, and pesticides Animal feedlots (also non-point source) Nutrients, waste, and bacteria Residential neighborhoods and urban streets Salt on winter roads; oil, grease, and chemicals from urban runoff Sewage treatment plants Factories and disposal sites Industrial waste and toxic chemicals Construction sites, and deforested and overgrazed land Eroded soil Oil spills Abandoned mines (also point source) Acid drainage Oil tankers