Fecal ______ bacteria indicate fecal contamination

1. coliform

Fecal ______ bacteria indicate fecal contamination.

2. Bacterial

_______ pollution causes more human health problems than any other type of water pollution.

3. Eutrophication

When excess phosphorus enters the water system, it fertilizes algae to grow and other aquatic plants.

4. Biological indicators

Presence of fecal coliform bacteria (anerobic, rod-shaped, non-sporulating bacterium), disease-causing organisms, algae, etc.

5. Chemical indicators

Nutrient concentrations, pH, taste, odor, hardness, dissolved oxygen

6. Physical indicators

Color, temperature, turbidity

7. Nitrates

______ from fertilizers have caused cancer, miscarriages, and "blue-baby" syndrome

8. Manufacturing, military

_________ industries and ____ sites have been heavy polluters.

9. The Federal Water Pollution Control Act (1972)

- Renamed the Clean Water Act in 1977
- It is illegal to discharge pollution without a permit
- Sets standards for industrial wastewater
- Funded sewage treatment plants

10. A

Which of the following is a point source of water pollution?
A) A factory
B) Roads
C) Agricultural fields
D) All are point sources