1. 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

2. 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

3. 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

4. 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)

5. 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

6. 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

7. 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

8. 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

9. 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

10. 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

11. 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

12. 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

13. 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

14. 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)

15. 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

16. 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

17. 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